Busch Fig 4205S 2 Groove Short Carbide Twist Drill on 3/32" Shanks .70mm-1.00mm - Kit of 4 Engraving & Stonesetting Helps prevent frosting and abrasion

Helps prevent frosting and abrasion of the clear viewing window

Handle crafted from Padauk rosewood for a smooth

Combines thermal and electrical conductivity testing in one instrument

Sturdy construction suited for a lifetime of use on non-ferrous metals

decimal inches

Busch Fig 4205S 2 Groove Short Carbide Twist Drill on 3/32" Shanks .70mm-1.00mm - Kit of 4 Engraving & Stonesetting Helps prevent frosting and abrasionRecommended for Pav Work on Hard Metals These Busch Fig 4205S short carbide twist drills are engineered for one precise application: drilling accurate holes in hard metals for pav diamond setting. The short length is intentional pav holes are relatively shallow, and longer drills are prone to breaking under torsional stress. The 2 groove design actively expels material from the hole during drilling, extending drill life and maintaining accuracy.