Sell Armstrong HSS COBALT Drill Bit Set for Steel 10pcs Sold Per tube WHOLESALE.. 1/8 5/32 3/16 1/4 5/16 best price

Heavy Duty HSS Cobalt High-speed steel (HSS COBALT) drill bits can drill wood, fiberglass, polyvinyl chloride (PVC) and soft metals such as aluminum. Cobalt drill bits are extremely hard and dissipate heat quickly. They're mostly used for boring in aluminum and tough metals such as stainless steel. Sold Per tube 10pcs 1/8 per tube 10pcs 5/32 per tube 10pcs 3/16 per tube 10pcs 1/4 per tube 10pcs 5/16 per tube 10pcs DRILL BIT FOR STEEL HSS COBALT High Efficiency In Drilling Metals, Ideal for drilling in tough metal, including heavy-duty abrasive alloy and hardened steel. 118-degree split-point tip starts drilling immediately with less force and eliminates walking across the work surface. Dormer These professional Drill Bits have been manufactured from high-quality steel and steam tempered to improve wear resistance and durability. HSS drill bit FOR METAL USE ONLY Drill bits are cutting tools used to remove material to create holes, almost always of circular cross-section. Available per tube ✅Quality ✅Trusted ✅Top Quality These professional Drill Bits have been manufactured from high-quality steel and steam tempered to improve wear resistance and durability.. QUALITY