CRL 1-1/2" HBT Series Belgian Thread Electro-Formed Diamond Drill Glass Tappers & Running Tools or rainbows

or rainbows

CRL Standard™ Diamond Discs are designed for grinding

1/2" Diameter Shaft

ASTM C-920 Standard Specifications for Elastomeric Joint Sealants as Type S

CRL 1-1/2" HBT Series Belgian Thread Electro-Formed Diamond Drill Glass Tappers & Running Tools or rainbowsFor Fast Cutting, High Production Runs Extended Work Life Two Mounting Styles to Choose from Straight Shank or Belgian Type These CRL Electro Formed Diamond Drills are thin walled, with a 1 2" (12. 7 mm) deep multi layer of diamonds and bonding matrix designed for high speed, high production drilling. These drills give outstanding results when exacting conditions are met. The CRL DCD Series features an extra long 1 3 8" x 3 8" (35 x 9. 5 mm) diameter