RUKO SPB-DIN1897-HSSCo-Ø3,5mm broca helicoidal

With a 130° point angle and 5% cobalt alloy, this 3.5 mm twist drill bit delivers high heat resistance and wear resistance for demanding metalworking tasks.

Overview

The RUKO SPB-DIN1897-HSSCo-Ø3.5mm is a short-series twist drill bit manufactured to DIN 1897 standards. It features a cylindrical shank with a diameter of 3.5 mm and a total length of 66 mm, including a 36 mm working length. The bit is fully ground from high-speed steel with 5% cobalt (HSS-Co), ensuring superior hardness and durability. Its bright surface finish reduces friction and improves chip evacuation. Suitable for right-hand cutting, it meets h8 tolerance for precise hole sizing.

What stands out

• 5% cobalt HSS for high heat and wear resistance
• 130° point angle for efficient drilling in tough materials
• Fully ground flutes for smooth chip flow
• DIN 1897 short series for compact, rigid performance
• h8 tolerance for consistent hole diameters

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 1897 (short series)
• Material: HSS-Co (5% cobalt)
• Diameter: 3.5 mm
• Shank type: Cylindrical
• Shank diameter: 3.5 mm
• Total length: 66 mm
• Working length: 36 mm
• Point angle: 130°
• Surface finish: Bright
• Cutting direction: Right-hand
• Tolerance: h8
• Manufacturing method: Fully ground
• Application: Steel, stainless steel, cast iron, non-ferrous metals, plastics

Our verdict

A professional-grade cobalt twist drill bit that excels in hard metals, offering precision and longevity for industrial use.