Broca helicoidal RUKO DIN 338 HSS-G retificada 6,8 mm, afiação em cruz 135°

Precision-ground from solid HSS-G to DIN 338, this 6.8 mm twist drill bit features a 135° split point for self-centering starts and excellent chip removal in steel, cast iron, non-ferrous metals, and plastics.

Overview

The RUKO SPB-DIN338-HSS-G-Kreuz-6,8mm is a professional-grade twist drill bit manufactured from high-speed steel (HSS-G) and ground from solid for superior accuracy and durability. It conforms to DIN 338 standards, ensuring consistent geometry and performance.

What stands out

• 135° split point eliminates walking and reduces thrust pressure
• Precision ground flutes for efficient chip evacuation
• Bright finish for clean cutting and corrosion resistance
• Right-hand cutting direction for standard drilling operations

Technical details

• Diameter: 6.8 mm
• Total length: 109 mm
• Working length: 69 mm
• Shank type: Cylindrical
• Tolerance: h8
• Material: HSS-G (High-Speed Steel)
• Point angle: 135°
• Cutting direction: Right-hand
• Recommended for materials up to 900 N/mm² tensile strength

Our verdict

A reliable, precision-ground drill bit for demanding metalworking tasks. Its split point and DIN 338 compliance make it a solid choice for professionals seeking accuracy and longevity.