Busch Fig 4205S 2 Groove Short Carbide Twist Drill on 3/32" Shanks .70mm-1.00mm - Kit of 4 Edenta Swiss 690 Large Electronic Rotary Tumbler

690 Large Electronic Rotary Tumbler only

repeatable results in professional and classroom settings

Part # Length Thickness LP1840-3-2 3" (75mm) 0

Two-sided flat tube forming block (120 x 90 mm) with 11 half-round profiles

Busch Fig 4205S 2 Groove Short Carbide Twist Drill on 3/32" Shanks .70mm-1.00mm - Kit of 4 Edenta Swiss 690 Large Electronic Rotary TumblerRecommended 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.