RUKO SPB-DIN338-TypUNI-HSSCo-8,50 HSS-Co spiraalboor 8,5 mm DIN 338

Precision-ground HSS-Co twist drill bit with 8.5 mm diameter and 135° split point for fast, accurate drilling in tough metals up to 1100 N/mm² tensile strength.

Overview

The RUKO SPB-DIN338-TypUNI-HSSCo-8,50 is a high-performance twist drill bit manufactured to DIN 338 standards. Made from high-speed steel with 5% cobalt alloy, it offers superior heat resistance and wear resistance for demanding drilling tasks. The bright finish and fully ground flutes ensure smooth chip evacuation and precise holes.

What stands out

• 5% cobalt HSS-Co for high heat resistance and extended tool life
• 135° split point eliminates walking and reduces thrust pressure
• Right-hand spiral flute with h8 tolerance for accurate hole sizing
• Suitable for steel, stainless steel, cast iron, and non-ferrous metals

Technical details

• Diameter: 8.5 mm
• Total length: 117 mm
• Working length: 75 mm
• Shank type: Cylindrical (straight shank), diameter 8.5 mm
• Point angle: 135°
• Point grind: Split point (cross-ground)
• Flute type: Right-hand spiral
• Surface finish: Bright
• Standard: DIN 338
• Material: HSS-Co (5% cobalt)
• Max tensile strength: 1100 N/mm²
• Cutting direction: Right-hand
• Manufacturing process: Fully ground
• Tolerance: h8

Our verdict

A professional-grade cobalt drill bit that delivers precision and durability for universal metal drilling applications.