CRL 100X Grit Silicon Carbide Grain Quantity:10 The generous 3/8" (9 mm)

The generous 3/8" (9 mm) diameter shank allows for a sure fit into any drill machine

Interchangeable Heads

Heavy-Duty

Allows 3/8" (10 mm) Straight Shank Drills to be Used in Production Drilling Machines with a Mathey-Belgian Mount Water Chuck

CRL 100X Grit Silicon Carbide Grain Quantity:10 The generous 3/8" (9 mm)For Use with Brass and Steel Tube Drills Easy to Use Use on Roughening Plates for Grinding and Polishing Use CRL Silicon Carbide Grain for almost any glass drilling need. Most commonly used with CRL Steel and Brass Tube Drills, the abrasive action of the silicon carbide is applied by the rotation of the tube drill. The slots in the drill pick up the grain, which causes the glass to wear. Can be used to drill holes for speak tube applications or