Precision Cobalt Steel Step Drill Bit for Stainless Steel and Hardened Surfaces Cobalt Steel Step Drill Bit for Stainless Steel Drilling

This drill bit is designed for efficient drilling in high hardness steel surfaces including stainless steel and hardened steel.

Made from M35 cobalt steel (HSS Co), it offers excellent durability and wear resistance for tough drilling tasks.

The step cone design allows drilling holes from 4mm up to 32mm diameter with precision and ease.

Ideal for use with hand drills and bench drills, it adapts well to different metal thicknesses.

Use water or cutting fluid during drilling to cool the bit and extend its lifespan.

Features
- High hardness cobalt steel material
- Step cone design for multiple hole sizes
- Suitable for stainless and hardened steel drilling

Specifications
Material: M35 cobalt steel (HSS Co)
Colour: Gold
Size: 4-32mm blade diameter, 105mm total length, 6.35mm shank diameter
Weight: 195g

Package Includes
1x cobalt steel step drill bit