8 Piece HSS Center Drill Bit Set With 60 Degree Countersink For Lathe Mill Metalworking Pro Grade High Speed Steel Includes Sizes 1 1.5 2 2.5 3 4 5 6 mm Durable Center Drills For Accurate Pilot Holes

8-Piece HSS Center Drill Bit Set with 60° Countersink
✔️ 8 pcs: 1, 1.5, 2, 2.5, 3, 4, 5, 6 mm, 60° tip

This eight-piece center drill bit set is built for precise center holes and clean starter holes in metalworking. It’s a staple in lathe and milling work and shines when prepping Mold steel, cast iron, aluminum, and carbon steel for turning or threading.

✅ Material: High Speed Steel (HSS) for hardness and wear resistance
✅ Sizes included: 1, 1.5, 2, 2.5, 3, 4, 5, 6 mm
✅ 60-degree tip angle for accurate center holes
✅ Double-ended design with two cutting tips
✅ Straight shank fits most drills and lathes
✅ Produces center holes before turning and serves as starter bit
✅ Compatible with lathe and milling machines on tough materials

💡 What is a center drill bit used for in metalworking?

A handy tool for starting precise center holes and guiding subsequent drills. - Handy starter hole for precise center marks - Keeps work aligned for turning between centers - Works with lathe and milling machines on tough materials