Dart HSS Rolled Twist Drill Bit 4mm - Pack of 10

Summary

The Dart HSS400 is a 4mm high speed steel rolled twist drill bit, supplied in a pack of 10 for trade and general purpose use. Manufactured to DIN338 standards with a black finish, it is designed for reliable everyday drilling across a wide range of common materials. It is well suited to electricians, plumbers, joiners, and general contractors who require a dependable, cost-effective drill bit in quantity.

Features

• High speed steel construction provides good hardness and durability for general purpose drilling tasks.
• Rolled manufacture with a black finish for corrosion resistance and easy identification.
• Manufactured to DIN338 standards, ensuring consistent dimensional accuracy across the pack.
• 118-degree standard tip angle delivers reliable centring on entry into the workpiece.
• Right-hand cutting with a 30-degree helix angle for efficient chip clearance during drilling.
• Suitable for drilling sheet metal, non-ferrous metals, hard and soft wood, PVC, and plastics.
• Pack of 10 bits offers excellent value and ensures replacements are always on hand on site.

Specifications

• SKU: HSS400
• Drill Diameter: 4.0mm
• Overall Length: 75mm
• Working Length: 43mm
• Tip Angle: 118deg
• Helix Angle: 30deg (right-hand cutting)
• Standard: DIN338
• Finish: Black
• Material: High Speed Steel (HSS)
• Pack Size: 10

What's Included

• 10 x Dart 4mm HSS Rolled Twist Drill Bits