105 Cobalt Drill Bits Set Stainless Steel Metal HSS-Co Cobalt Bit Titanium
✿Made of HSS steel with 5% Cobalt. Type: Hss Steel Drill Bit. 1 105pcs Drill Bits. ✿Suitable for most materials including Copper, brass, wood, plastic, aluminum alloy, etc. Sub-Type: Drill Set. Material: High Speed Steel.