Stone

FOLGORE Floor Grinding, Polishing Machine

Type: Stone Maintenance Machines › Floor Grinding, Polishing Machine

Warranty: 6 Months

Usage: Granite, Marble, Limestone, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Professional floor cleaning machines, reliable and versatile. Designed for recovery, mirror-polishing and in-depth cleaning of floorings in marble, Terrazzo, ceramics and Grès porcelain. The use of specific diamond and resinoids pads means that ITC mono-brushes can remove deep stains, scratches, porosity and excoriations created over time, leaving the surface smooth, shiny and clean. The more economical JOLLY version is equipped with a motor casing in fibreglass, while the SL version with casing

Waterjet Cutting Machine Powerjet 3D TWIN

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Waterjet Machines

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Water jet cutting machine with 2 basins. By using 2 catch basins, the Powerjet 3D Twin enables the machine to be loaded during the machining process. This means that, for the first time, a machine is available specifically for industrial and efficient manufacturing in the waterjet sector. The basins can be designed as a continuous work surface so that oversized workpieces can be machined. Alternatively, the machine can be equipped with an automatic interchangeable frame. This allows the machine

NC4-320 4 Axes CNC Machining Center

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › CNC Working Center

Warranty: 12 Months

Usage: Granite, Marble, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

CNC MACHINING CENTER GENERAL DESCRIPTION: NC4-320 4 axes is a multifunctional working centre to process marble, granite and compound stone designed also for complex processing in short time and high quality. NC4-320 has been specially designed to ensure higher production capacity as well as the largest flexibility thanks to the very high working and displacement speed and the wide gamut of possible geometries,which allow any kind of processing ( shaping, profiling, milling, chamfering, drilling.

Schind MC01 Marble & Granite Multi Blade Cutting Machine

Type: Stone Factory Machines › Stone Tile Cutting Machines › Multi-Blade Cross-Cutter,Trimming

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

The marble or granite strips from the calibrating and polishing machine are positioned 90 ° to the saws and cut in series. Our machine has a strong steel body structure and it is painted with epoxy paint. Machine dimensions may be changed according to customer request. And double head is possible.

Bridge Saw - Cutting Machine - Cnc Router

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Helios Dea CNC Bridge Cutting Machine - Cnc Router Work Center

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › CNC Working Center

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Helios Dea is а revolutionary bridge saw and machining center with 5 interpolated axis (8 with the patented slab handling system Robo-Move). It is powerful, fast, precise, and reliable; ideal for all types of cut (straight, curved, angled, etc) and manufacturing of complex frames with disk or milling tool. It is very easy to use thanks to the software, developed by Helios Automazioni and to the possible accessories. The patented Robo-Move system, equipped on Helios Dea, carries out all the funct

MDS-MFS Wide Kiln -Artificial Stone Production Line Thermal Equipment

Type: Artificial Stone Machines › Hardening Oven

Warranty: 12 Months

Usage: Artificial Stone

Machinery Function Features:

MFS Wide Kiln -Artificial Stone Production Line Thermal Equipment for sintered stone, porcelain, ceramic, wall tiles Machinery Parameter: W: 3100-4000mm L: Customized

Helios Lux Cnc Bridge Polishing Machine - Bed Polisher

Type: Stone Factory Machines › Stone Surface Processing Machines › Bridge Polishing Machine for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Quartzite

Machinery Function Features:

Helios Lux is the fastest and most efficient bridge polishing machine with an automatic tool change in the market. It is a sturdy machine, which preserves its quality over time (no rust), entirely built with stainless steel both in the structure and the fixing bolts. Thanks to the automatic tool changer it is possible to polish and brush all types of materials (granite, onyx, quartz, etc.) without the manual intervention and with excellent results. The working head, developed by our engineers, a

Quartz Stone Automatic Calibration Machine

$10,000 - $40,000

Type: Artificial Stone Machines › Pressing Machine

Warranty: 12 Months

Usage: Artificial Stone

Machinery Function Features:

Quartz Stone Auto Calibrating Machine Esuton quartz stone calibrating machine include two type: 1. Multi-heads 2/4/6/8 heads belt conveying type quartz stone calibrating machine. This series machine include calibrating heads fixed type that used to calibrate slabs whose width less than 900mm. And bridge sawing calibrating machine this kind machine can calibration slabs width rang from 300mm to 2000mm. 2. Single head bridge type working table moving quartz stone calibrating machine.

Helios Lux bridge polishing machine

Type: Stone Factory Machines › Stone Surface Processing Machines › Bridge Polishing Machine for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Basalt, Quartzite

Machinery Function Features:

Helios Lux is the fastest and most efficient bridge polishing machine with an automatic tool change in the market. It is a sturdy machine, which preserves its quality over time (no rust), entirely built with stainless steel both in the structure and the fixing bolts. Thanks to the automatic tool changer it is possible to polish and brush all types of materials (granite, onyx, quartz, etc.) without the manual intervention and with excellent results. The working head, developed by our engineers, a

CAL/S/2000/1V Automatic slab loader with 1 suction cup

Type: Stone Factory Machines › Stone Handling, Loading Machines › Automatic Loader, Unloader for Slabs

Usage: Granite, Marble, Limestone

Machinery Function Features:

Breton CAL/S/2000/1V Automatic slab loader with 1 suction cup

OZKKM 5 Axis / CRUX 725 Monoblock CNC Bridge Cutting Machine

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

OZKKM CRUX is a 5-axis monoblock bridge saw machine that, thanks to the advanced functionality, allows every stone fabrication shop to be equipped with accurate and quick machines, without giving up quality. The standard versions of CRUX is monoblock, i.e.: mounted on a monolithic structure of steel carpentry that assures utmost rigidity and stability levels, with no need of any concrete foundation. For this reason, if necessary, they can be easily moved elsewhere. The monoblock configuration ca

fast cutting Bridge saw for quartz

$16,000 - $17,000

Type: Stone Factory Machines › Stone Slab Cutting Machines › Infrared Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Quartzite

Machinery Function Features:

This machine use computer control , and with its worktable rotating 0°-360°, 85° flap. Precision manufacturing assembly, and have special side beam protector, touch operate system , let it has high precision, high stability, high efficiency , operate simple and so one. Specially fit to quartz,Ceramic stone and so on. This machine cutting efficiency higher than normal 30%, it use imported linear guide for moving.

CNC Work Center Bridge Saw - Cutting Machine - Cnc Router

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › CNC Working Center

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Helios Cut 500 is a fast and performing 5 interpolated axes bridge saw. It has been developed for high precision cutting processes on ceramics, quartzites, as well as marbles and granites. The exclusive characteristic is the stainless steel monolithic structure, which guarantees a total endurance against corrosion and a remarkable duration over time. The bridge saw can have both manual and total automated functions thanks to the advanced levels of the software, which allow to process easily a lo

Alligator P3/P4/P5/P6 Profiling Machine

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Edge Profiling, Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Artificial Stone, Quartzite, Sandstone, Travertine

Machinery Function Features:

Alligator ® Profile Machine Alligator ®, profile machine, 7.5x7.5, 10x10, 15x15, 20x20, 30.5x30.5 cm width of natural and artificial stone types shaping with chip removal apparatus. Alligator ® is manufactured in adhering to all the vital standards in other Toksel brand products. Energy smart motors, first quality bearing and machine elements, central fluid lubrication system, rigid and resistant structure, stainless material density, watertight board and high IP sealing standards, first class e

Helios Lux CNC Bridge Polishing Machine - Bed Polisher

Type: Stone Factory Machines › Stone Surface Processing Machines › Bridge Polishing Machine for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Quartzite

Machinery Function Features:

Helios Lux is the fastest and most efficient bridge polishing machine with an automatic tool change in the market. It is a sturdy machine, which preserves its quality over time (no rust), entirely built with stainless steel both in the structure and the fixing bolts. Thanks to the automatic tool changer it is possible to polish and brush all types of materials (granite, onyx, quartz, etc.) without the manual intervention and with excellent results. The working head, developed by our engineers, a

Pedrini- GS122 Open frame gang saw for sawing marble blocks

Type: Stone Factory Machines › Stone Block Cutting Machines › Multi Blade Gang Saw

Warranty: 12 Months

Usage: Marble, Limestone, Onyx, Quartzite, Sandstone, Travertine

Machinery Function Features:

GS122 is an open frame gang saw for sawing marble blocks. The gang saws of the range GS122 are available in 3 versions: with 30, 40 and 50 blades according to the working width of the blades holder frame. Open gang saws are mainly used for sawing irregular marble blocks and when big productions are not required.

CUPID Industrial Remote Control

Type: Stone Factory Machines › Stone Handling, Loading Machines › Automatic Loader, Unloader for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Features: (1) Advance program design, quick & good performance on movements. (2) PA transmitter housing, water / shock / dust proof. (3) Single-low button transmitter, compact and lighter design, ensure safe & convenient operation. (4) Random security code up to 4.2 billions sets. (5) Receiver with 4-LED indicators, quick, simple judgment for operation status & after-service repair. Models: CUPID Q100 1 step, ( 6 ) buttons + (1) AUX button (momentary ). CUPID Q100S 1 step, ( 6 ) buttons + (1) li

Manual Scratching Machine with Balilla Flexible Shaft

Type: Stone Hand Held Machines › Stone Air Polisher, Grinder

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Manual scratching machine with "Balilla" flexible shaft for scratching work on table. Scratching tools are made of the highest quality pure widia and can be reground, thereby lengthening their lifespan. Systems can also be mounted for satin finishing and manual polishing. AVAILABLE MODELS 1.5 kW single-phase version, 1 speed. Roller pitch of choice 1.5 mm or 2 mm L= 100mm. 1.5 kW three-phase version, 2 speeds. Roller pitch of choice 1.5 mm or 2 mm L= 100mm

Falcon Millennium Automatic Palletizer

Type: Artificial Stone Machines › Packaging and Palletization Machines

Warranty: 12 Months

Usage: Artificial Stone

Machinery Function Features:

FALCON MILLENNIUM Automatic palletizer PERFECT MATCHING Automatically manage the matching of the pallet barcode to the combined packages PORTAL SOLUTION UP TO 200 KG: Falcon portal 60 x 120 cm Falcon portal BS 120 x 180 cm ROBOT SOLUTION UP TO 100 KG Falcon millennium 60 x 60 cm CHARACTERISTICS 4 moving axes Rapid and precise gripr with single or double rotation Robot on a rail Horizontal cart Vertical column Transport on friction rollers to stack packets Front barrier with timer function Motori

Stone Crusher KSP-1218Z

$4,885

Type: Stone Quarry Machines › Rock Crushers, Jaw Crushers

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

This mechanical product is mainly used for stone crushing.

Chain Saw Radio Remote Control

Type: Stone Quarry Machines › Stone Chain Saw Machines › Tunnel Chain Saw Machines

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Sandstone

Machinery Function Features:

All Fantini chain saw machines can be equipped with a radio remote control. The radio remote system allows the operator to move around the machine: no cable is needed to be connected to the remote control, so the operator can stay far from the chain saw in a safe position more suitable to check the movements of the chain saw. Each radio remote control has a unique transmission program set by the producer and unchangeable, so that each transmitter can interact only with its receiver and cannot in

Bridge Cutting Machine

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Sandstone

Machinery Function Features:

RAPID - 825 Bridge cutting machine with 4/5 interpolated axes (x-y-z-c-a) managed by a latest generation numerical control unit, with fixed slab-carrying bench and a ± 0°-370° rotating disc-carrying head which can be inclined ± 0°- 90°. It can execute orthogonal, parallel, oblique, inclined, circular cuts (Mod. ST) and shaped, sculptured cuts and profile contours (Mod. Top.) in marble, granite and stone.

ARS Circular cross cut revolving saw for angle cutting

Type: Stone Factory Machines › Stone Tile Cutting Machines › Single Disc Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Artificial Stone, Basalt

Machinery Function Features:

Circular cross cut revolving saw for angle cutting, developed and designed to simplify cuts on small pieces. Ideal for creating tiles and design pieces. The machine is equipped with precision goniometer and it's available with manual or motorized feed. ADVANTAGES Revolving cross-cutting machine ARS for anglle cutting: Available with manual or motorized head feed; Maximum cutting precision guaranteed by a special beam design; Head assembly swivelling: +45°, 0°, -45°.

CUTTING TABLE

Type: Stone Factory Machines › Stone Handling, Loading Machines › Connecting Roller Conveyors

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

This tool serves as a platform for cutting stone on the bridge machines. DIMENSIONS 3012x2012x730 LxWxH (mm) All equipment are designed and manufactured according to the best state of the art and the latest techniques in terms of design, materials and welding. We manufacture with anti wear steels , high elastic limit and construction steel. This ensures the benefits of strength and flexibility at the most critical points, and a durability at the points of greatest wear.

Floor cleaning machine ITC

Type: Stone Maintenance Machines › Floor Cleaning Machine

Warranty: 6 Months

Usage: Granite, Marble, Limestone, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Professional floor cleaning machines, reliable and versatile. Designed for recovery, mirror-polishing and in-depth cleaning of floorings in marble, Terrazzo, ceramics and Grès porcelain. The use of specific diamond and resinoids pads means that ITC mono-brushes can remove deep stains, scratches, porosity and excoriations created over time, leaving the surface smooth, shiny and clean. The more economical JOLLY version is equipped with a motor casing in fibreglass, while the SL version with casing

Waterjet Cutting Machine Powerjet 3D

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Waterjet Machines

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Cutting with high pressure. Waterjet cutting is the perfect solution for complex cuts in ceramics, marble, granite, glass, plastics and engineered stone. The rotating and swiveling cutting head allows precise miter cuts to be made. Fully automatic scanning compensates for tolerances in material thickness.

Apollo Mini Industrial Remote Control

Type: Stone Factory Machines › Stone Handling, Loading Machines › Automatic Loader, Unloader for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Features: (1) Pocket-size transmitter, light, more handy for operation. (2) Advance program design, quick & good performance on movements. (3) ABS+PA transmitter housing, water / shock / dust proof. (4) Single-low button transmitter, compact and lighter design, ensure safe & convenient operation. (5) Receiver with 4-LED indicators, quick, simple judgment for operation status & after-service repair. Models: APOLLO mini 20 1 step, ( 2 ) buttons with RED EMS stop ( push type ). APOLLO mini 30 1 ste

Helios Zeus 3-axis CNC machining center

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › CNC Working Center

Warranty: 12 Months

Usage: Granite, Marble, Artificial Stone, Basalt

Machinery Function Features:

Helios Zeus is the 3-axis CNC machining center suitable for every workshop looking for versatility and precision. Thanks to the stainless steel sturdy structure, recirculating ball screws, and linear guides, it is the best product for the interior design sector (especially for the fabrication of kitchen and bath tops ). The exclusive Galaxy Stone software, running under Windows and developed by Helios Automazioni engineers, makes the machining very easy and fast, thus automatizing the entire pro

Helios CNC Bridge Saw-Cutting-Cnc Router-Watejet Integrated

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › CNC Working Center

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Artificial Stone, Basalt, Quartzite

Machinery Function Features:

The new range of Integrated Linear Systems 4.0 Discover the full automation of the stone fabrication process. The Integrated Linear Systems 4.0 support the evolution of your stone workshop to the new frontiers of the so-called INDUSTRY 4.0. If you are in the process of buying a new saw or a machining center, please contact us, we would be more than glad to develop your own automated solution! These Systems have been conceived for easy integration in your production cycle. Our experience in mecha

Helios PhotoScan Slab Scanner - Measuring Machine-Template Reader

Type: Stone Factory Machines › Stone Handling, Loading Machines › Stone Scanner

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Artificial Stone, Basalt, Quartzite

Machinery Function Features:

Helios PhotoScan is the system of photographic acquisition and measurement of the slabs and shapes (template reader), with the integrated software.

OZKKM 5 Axis / FORNAX 900 Monoblock CNC Bridge Cutting Machine

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

OZKKM FORNAX is a 5-axis monoblock bridge saw machine that, thanks to the advanced functionality, allows every stone fabrication shop to be equipped with accurate and quick machines, without giving up quality. The standard versions of FORNAX is monoblock, i.e.: mounted on a monolithic structure of steel carpentry that assures utmost rigidity and stability levels, with no need of any concrete foundation. For this reason, if necessary, they can be easily moved elsewhere. The monoblock configuratio

Breton Tilting Roller Conveyor

Type: Stone Factory Machines › Stone Handling, Loading Machines › Connecting Roller Conveyors

Usage: Granite, Marble, Limestone

Machinery Function Features:

Tilting roller conveyor Contact us! If you want to be contacted, fill in the following form.

SPR+RCH Double Heat Recovery System

Type: Artificial Stone Machines › Hardening Oven

Warranty: 12 Months

Usage: Artificial Stone

Machinery Function Features:

SPR+RCH Double Heat Recovery System The working principle of the RCH system is to recover the low temperature waste heat of the rapid cooling chimney, the heat it trough the kiln heat exchange unit and send it to the dryer or the combustion supporting fan of the kiln to achieve zero emissions of the kiln's waste heat. The SPR+ system uses the combustion supporting air heating system to transfer the waste heat through the quench unit heat exchange, which can achieve the combustion supporting air

Helios Evolution 3 interpolated axes CNC Carving Machines - Engraving Machines

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Stone Carving,Engraving Machine

Warranty: 12 Months

Usage: Granite, Marble, Basalt

Machinery Function Features:

Evolution is a 3 interpolated axes CNC router with a whole monolithic stainless steel structure. With a wide archive of images and fonts (engraved and in relief), it is the best working assistant in terms of precision and reliability. The optional automatic tool change makes the process completely automatic and the machine’s precision guarantees an excellent finished product. The integrated Helios Galaxy Stone software is simple and intuitive, suitable for all stone fabricators.

Alligator DP Wavy Profiling Machines

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Edge Profiling, Polishing Machine

Warranty: 12 Months

Usage: Marble, Limestone, Onyx, Quartzite, Sandstone, Travertine

Machinery Function Features:

Alligator ® The Wavy Profiling Machines Alligator ®, the wavy profiling machines, shapes the width of 160 mm. natural and artificial stones with sawdust collector apparatus. Alligator ® has been produced true to all the crucial standards that were existing in other Toksel brand products. Energy saver engines, first class roller and machine elements, central liquid oiling system, rigid and resistant structure, density of stainless materials, water resistant panel and appropriate first class elect

Helios Lux Bridge Type CNC Polishing Machine - Single Head Polisher

Type: Stone Factory Machines › Stone Surface Processing Machines › Single Head Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Quartzite

Machinery Function Features:

Helios Lux is the fastest and most efficient bridge polishing machine with an automatic tool change in the market. It is a sturdy machine, which preserves its quality over time (no rust), entirely built with stainless steel both in the structure and the fixing bolts. Thanks to the automatic tool changer it is possible to polish and brush all types of materials (granite, onyx, quartz, etc.) without the manual intervention and with excellent results. The working head, developed by our engineers, a

DYNAMIC Edge Profiling, Polishing Machine

€80 - €100

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Edge Profiling, Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Artificial Stone, Basalt, Travertine

Machinery Function Features:

New straight line edger present at the MARMO-MAC VERONA 2019 FAIR HALL 5 STAND E4

Modulgranito -Pedrini Arco di Trionfo M594-M595-M596 Cutting Center for Granite Blocks

Type: Stone Factory Machines › Stone Block Cutting Machines › Multi Blade Gang Saw Cutting Centre–Vertical

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

High production cutting centre for sawing granite blocks into strips. It is composed of three main units: vertical discs unit, horizontal disc unit and automatic unloader unit. Arco di Trionfo works on stationary block and it is manufactured in different versions according to the number and diameter of the vertical discs. It is used both for the production of strips for modulgranito and for up to 100 mm thickness elements for exterior paving. This machine, that operates on stationary blocks, cut

Portable Bench Saw Plus 600 Mm, 380 V

Type: Stone Factory Machines › Stone Tile Cutting Machines › Mitre Saw, Edge Cutting Machine

Warranty: 6 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

The robust bench saw Plus is ideal for the general use on the site. Precise guidance of the support on rectangular tubes with high quality bearings Tilted cutting from 90° to 45° The motor allows the use with 16 amp automatic fuses Removable worktable for easy water tank cleaning Variable height adjustment of the support via handwheel Splash-proof switch combination High performance submersible pump for the cooling water circulation Suitable for diamond blades with 250, 300 and 350 mm diameter i