RUKO SPB-DIN338 5,6mm HSS-Co σπειροειδές τρυπάνι

Precision-ground HSS-Co twist drill bit with 5% cobalt for exceptional heat resistance and wear resistance, ideal for high-alloy steels, stainless steels, and titanium alloys. DIN 338 standard, 5.6 mm diameter, 130° point angle.

Overview

The RUKO SPB-DIN338 5.6mm HSS-Co twist drill bit is a premium tool engineered for demanding drilling applications. Manufactured from high-speed steel with 5% cobalt content, it delivers superior hardness and thermal stability, maintaining cutting performance even at elevated temperatures. Fully ground from solid, this drill bit offers precise geometry and consistent accuracy.

What stands out

• 5% cobalt alloy for high heat resistance and extended tool life
• Fully ground flutes and point for accurate hole positioning
• 130° split point reduces walking and requires less feed pressure
• DIN 338 standard ensures compatibility with standard drill chucks
• Bright finish for corrosion resistance and smooth chip evacuation

Technical details

• Drill Bit Type: Twist Drill Bit
• Material: HSS-Co (High-Speed Steel with Cobalt)
• Standard: DIN 338
• Diameter: 5.6 mm
• Shank Type: Cylindrical (Straight Shank)
• Point Angle: 130°
• Helix Angle: Type N (Standard)
• Surface Finish: Bright
• Total Length (l1): 93 mm
• Working Length (l2): 57 mm
• Tolerance: h8
• Manufacturing Process: Fully Ground
• Cobalt Content: 5%
• Cutting Direction: Right-hand cutting
• Application: High-alloy steels, stainless steels, acid-resistant steels, heat-resistant steels, bronze, cast iron, titanium alloys, plastics

Our verdict

A professional-grade drill bit that excels in tough materials, offering reliability and precision for workshops and industrial use.