This spiral nitriding step drill bit is ideal for precise hole cutting across a range of diameters from 10mm to 45mm.Made from durable high-speed steel with a titanium-plated, black nitrided finish, it ensures smooth drilling and enhanced wear resistance.Suitable for drilling in materials like PVC, wood, carbon steel, and iron sheets up to 5mm thick.The triangle shank design offers firm grip in standard drill chucks, making it perfect for electric drills and bench presses.

Features

Covers 8 step sizes from 10mm to 45mm for versatile hole cutting

Constructed from steel for strength and sharpness

Titanium-plated nitrided coating reduces friction and heat buildup

Triangle shank design prevents slippage during drilling

Suitable for low-to-medium hardness materials like wood and PVC

Specifications

Material: Steel

Surface Finish: Titanium-plated with black nitriding

Drill Range: 10mm-45mm

Shank Type: Triangle shank

Dimensions: 9.9cm × 1.15cm or 3.89in × 0.45in

Workpiece Hardness: ≤25 HRC

Recommended Thickness: Up to 5mm

Package Includes

1 × Titanium Nitrided Step Drill Bit (10-45mm)

Note

Manual measurement may result in 1-3mm size deviation

Slight colour variations may occur due to monitor and lighting

Not intended for use with stainless steel or hardened alloys

Avoid overheating by controlling drill speed

Always wear safety goggles during operation