GS - 21 Large HSS and Carbide Drills From 90 to 140 Degrees
Helical and Split Point
GS 21 Detail View
GS-21 Twist Drills 90°-140°
For
8mm-22mm Twist Drill Re-sharpening , Angle 90°-140°
(Optional collets and adapter for 3mm-7mm and 23mm-25.4mm drills)
Precise Grinding Results , Precision Assurance
within 0.02mm
Easy to Operate , grinding a drill within 10 seconds.
Special Design High Accuracy Alloy Steel Collets
Accurate Grinding consumption 0.2mm
High Efficiency DC motor
GE Synthetic Diamond or CBN media wheels
Considerable Design, Invisible Tool Box, Delicate & Friendly Use
Portable Design with only weight 19.8 kgs. Collets are ER32