DRILLFORCE (10 Pcs) 3/16 in. x 3-1/2 in. HSS Cobalt Drill Bits, Jobber Length, Straight Shank, Metal Drill,Ideal for Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc.
- Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability..
- Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66..
- Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 3/16 inch, Total length 3-1/2 inch, Working length 2-5/16 inch..
- Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles..
- 135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster..