Cobalt Steel Twist Drill Set of 10 on 3/32" Shanks-0.50mm to Presidium 7mm bottom

7mm bottom

allowing quick reference across multiple international sizing standards without needing to flip between separate tools

The Grobet USA Square Precision File is a general-purpose file designed for versatile material removal across a wide range of bench and metalsmithing applications

the gauge is drilled with precision holes that correspond to carat weights ranging from 0

Cobalt Steel Twist Drill Set of 10 on 3/32" Shanks-0.50mm to Presidium 7mm bottomThis 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