Two Stage Step Drill Bit Set M3 To M12 With Counterbore And Countersink For Stainless Steel Aluminum Copper And Plastics Heavy Duty Pro Grade Bits Deliver Precise Holes And Clean Chamfers M8 180 Degree Included

Industrial two-stage drill bit set for metal and plastics
✔️ M3 to M12 sizes, 90/180 degree countersink, 1 pc pack

These heavy-duty HSS counterbore step drills are built to drill and counterbore bolt heads in wood, plastic, and soft metals, all in one pass. They’re ideal for workshop and jobsite use, delivering clean chamfers and precise holes on stainless steel, aluminum, copper, and plastics.

✅ Material: HSS high-speed steel for durability
✅ Design: fully ground spiral cutting edges for fast chip removal
✅ Angles: 90° or 180° counterbore options for precise countersinking
✅ Grip: universal round handle for steady, non-slip use
✅ Applications: ideal for carpenter, builder, electrician, workshop, DIY
✅ Package: 1 x Industrial two-step drill

💡 What is a two-stage drill bit used for in metalworking and woodworking? This handy tool is designed to drill and countersink in one operation, saving time and improving hole accuracy.

- drilling and countersinking in one pass to speed up workflows with precise results
- suitable for stainless steel, aluminum, copper, plastics, and soft metals
- improves hole alignment and chamfer quality in DIY, carpentry, and workshop tasks