Cobalt Steel Twist Drill Set of 10 on 3/32" Shanks-0.50mm to Presidium not tip to tang

not tip to tang

Made from high-speed chrome tool steel

7mm bottom

the precision fit and domestic craftsmanship make it a worthwhile investment for anyone working on a John Frei Custom Workbench

Beginners benefit from seeing exactly how a properly shaped round graver should look

Cobalt Steel Twist Drill Set of 10 on 3/32" Shanks-0.50mm to Presidium not tip to tangThis Cobalt Steel Twist Drill Set includes precision drills from 0. 50 mm to 2. 2 mm, each mounted on 3 32" shanks for fast, convenient tool changes. Cobalt steel offers improved tool life over high speed steel, especially when drilling harder materials such as nickel based white golds and stainless steels. Expect consistent cutting performance and extended service life across both hard and soft precious metals. Features Cobalt steel construction for