CO-Z Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers
This set includes durable cobalt high-speed steel drill bits with titanium coating, suitable for drilling various materials. The bits come in different sizes and are organized in a case.
- The description claims the bits are extremely durable and will stay sharp for years.
- The description claims the bits are suitable for drilling holes in sheet metal and aluminum sheets.
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