HSS Step Drill Bit Set Three Piece Straight Groove 3 to 20 mm Black Nitride Hex Shank

This three piece step drill bit set is made from high speed steel for durability and long lasting performance. Designed with straight grooves and a black nitride coating, these bits offer smooth drilling, reduced wear, and stable cutting. Suitable for drilling wood, metal, plastic, and thin sheet materials, the set covers a wide size range for versatile DIY and workshop use.

Key Benefits

• High speed steel construction provides strength and longevity

• Black nitride finish increases wear resistance

• Straight groove design for smooth chip removal

• Three sizes included to cover a range of drilling needs

• Ideal for woodworking, metalworking, plastic drilling, and DIY tasks

Size Guide

Shank Type

• Hex shank for secure grip in electric drills and drivers

Specifications

• Material: High speed steel

• Coating: Black nitride

• Groove Type: Straight groove

• Quantity: Three drill bits

• Use: Metalworking, woodworking, plastics, sheet materials