13 Piece Set of Cobalt Steel Drills
- Cobalt Steel - Withstands abrasion and heat generated by hard-to-machine metals.
- Contents: 1/16" through 1/4" by 64ths
- Precision ground, gold finish
- For Stainless & Hard Steels, Wood & Plastic
- 135° Split point for fast penetration and accurate self centering
- Retains hardness at high temperatures.
- Sturdy metal cases with hinged index.
- Bits clearly visible with sizes marked on case.