RUKO SPB-DIN338-HSSCo8-Ø6,1mm HSS-Co8 kierrepora DIN 338, 6,1 mm, 101 mm pituus, kärkihionta

This RUKO twist drill bit stands out with its HSS-Co8 cobalt alloy construction, engineered for high tensile materials up to 1100 N/mm². The fully ground flutes and split point geometry deliver precise centering and reduced thrust, while the DIN 338 standard ensures consistent geometry for professional results.

Highlights

• HSS-Co8 cobalt high-speed steel for high heat and wear resistance
• Split point (self-centering) eliminates walking and reduces drilling pressure
• Fully ground for accurate hole quality and longer life
• DIN 338 standard dimensions: 101 mm overall length, 63 mm working length
• Right-hand cutting, bright finish, h8 shank tolerance

In daily use

The 135° point angle and split point make this bit ideal for drilling alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals. Use with coolant for optimal performance and tool life. The cylindrical shank fits standard drill chucks, and the 6.1 mm diameter suits a wide range of fastening and fabrication tasks.

Full specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co8 (high-speed steel with 8% cobalt)
• Diameter: 6.1 mm
• Shank type: Cylindrical
• Shank diameter: 6.1 mm
• Overall length (L1): 101 mm
• Working length (L2): 63 mm
• Point angle: 135°
• Point grind: Split point (self-centering)
• Tolerance: h8
• Surface finish: Bright
• Cutting direction: Right-hand cutting
• Manufacturing process: Fully ground
• Recommended application: Alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals
• Tensile strength (max): Up to 1100 N/mm²
• Coolant recommendation: Yes, for optimal performance and tool life
• Packaging quantity: 1 piece

Final note

A professional-grade cobalt drill bit for demanding metal drilling tasks, built to DIN 338 standards for reliable performance.