5/16" Cobalt Drill Bit Carded
$5.38
SKU 04120
- Cobalt Steel - Withstands abrasion and heat generated by hard-to-machine metals.
- Precision ground, gold finish
- For stainless & hard steels, wood & plastic drilling
- 135° Split point for fast penetration and accurate self centering
- Retains hardness at high temperatures.