Broca helicoidal RUKO ERB-HSSCo 6,0 mm DIN 338 HSS-Co5

Precision-ground 6.0 mm twist drill bit in HSS-Co5 cobalt high-speed steel with a 135° split point for fast, low-pressure centring and clean chip removal.

Overview

The RUKO ERB-HSSCo is a fully ground twist drill bit manufactured to DIN 338. The HSS-Co5 cobalt alloy increases heat resistance and edge retention, making it suitable for stainless steel, alloyed and non-alloyed steel, cast iron, non-ferrous metals and hard plastics. The cylindrical shank fits standard keyed or keyless chucks on corded drills, cordless drills and drill presses.

What stands out

• 135° split point reduces walking and requires less feed pressure.
• Bright finish and right-hand cutting geometry for smooth chip flow.
• Diameter tolerance h8 ensures a precise hole size.
• Total length 93 mm, working length 57 mm.

Technical details

• Material: High-Speed Steel with Cobalt (HSS-Co5)
• Standard: DIN 338
• Drill bit type: Twist drill bit
• Diameter: 6.0 mm
• Shank type: Cylindrical
• Point angle: 135°
• Tip type: Split point
• Surface finish: Bright
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Total length: 93 mm
• Working length: 57 mm

Our verdict

A dependable cobalt drill bit for demanding metalwork, with a self-centring tip and exact diameter tolerance.