Crowned continuous rim are much more reliable, stronger and perform better to drill very hard materials like granite,  quartz and glass. Be careful with the thin wall, when new can break the wall because it is so thin. Keep it vertical use a template to steady the core drill.

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STW CORE DRILL 16D – 16MM X 45DEPTH SUPER THIN WALLED DIAMOND CORE DRILL
SHANK m14 & 1/2″ GAS

S-Thin wall is 1.2mm thick.

Versatile It can fit both CNC 1/2″BSP fitting machines and a M14 wet polisher.

Best Results use water to drill your holes.

Take care using this product wear safety equipment!  

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Description: versatile core drill bits from core international they can fit both CNC 1/2″BSP fitting machines and an M14 wet polisher. Continuous rim are much more reliable, stronger and perform better to drill all core holes they can be used on a wide range of materials such as  granite,  quartz , sand stone, bricks, concrete. Designed with safety in mind each core drill is made on a CNC machine and the professional quality diamond segments are made to EN13236 standards. Use the core drill bits both wet or dry.Ssimply screw the drill securly on to a slow variable speed grinder of polisher. Remember to wear your safety equipment goggles, gloves, safety boots ect.

• Premium Quality Diamond content.
• Use wet or dry.
• Best on Hard dense material like granite marble.
• M14 female thread & 1/2″ BSP Male CNC’s
• Spanner of section  
• 10mm Height sintered diamond drilling segment.
• Depth of Drilling 65mm.
• Best used with water 

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