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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