Diamond Coated High Speed Steel Twist Drill Set of 15 on 3/32" Shanks-0.70mm to 2.1mm Profiform 526 and 103

526 and 103

Made to Michael Good's specifications at the Fretz factory

Each punch individually fitted to its matching die hole with close tolerances

Threaded parking holes on both sides of the head store two tips when not in use

including the GRS 103

Diamond Coated High Speed Steel Twist Drill Set of 15 on 3/32" Shanks-0.70mm to 2.1mm Profiform 526 and 103These top quality diamond coated high speed steel twist drills are mounted on 3 32" (2. 35mm) diameter shanks, making it faster and easier to change from drill to drillespecially when using a fixed collet handpiece such as a quick change handpiece. The 3 32" shank diameter is the popular standard in the jewelry industry and is compatible with a wide range of flex shaft and rotary handpieces. Diamond drills perform best when used with lubrication to