Dormer A225 Series HSS Centre Drill Bit, 1/4" → 5/8" Diameter, 75 mm Overall

Are you struggling to get to grips with the machining of your shafts? This centre drill bit from Dormer creates a good starting point. It's conically shaped with a narrow 1/4in tip that helps you drill accurate holes in your material. Thanks to the 60° step angle, you can make holes and countersink them, enabling you to hold material securely in your lathe centres.

• 120° drill point to cut smoothly through steel, cast iron and non-ferrous alloys
• Double-ended design lets you do more drilling jobs with one bit

• Aerospace engineering
• Manufacturing industry
• Milling

This drill bit is made from rigid high-speed steel that resists impact, wear and heat, so it cuts cleanly through materials for precise drilling.

Dormer & RS

High speed steel, right-hand cutting centre drills
Combined drills and countersinks
Double ended
60° Countersink angle
Manufactured to BS328