RUKO SPB-DIN338 7,5 mm broca helicoidal HSS-Co

Precision-ground 7.5 mm twist drill bit with 5% cobalt high-speed steel for demanding metal drilling.

Overview

The RUKO SPB-DIN338-7,5mm-HSSCo is a fully ground twist drill bit manufactured to DIN 338 standards. Its 5% cobalt alloyed high-speed steel provides high heat resistance and wear resistance, making it suitable for drilling stainless steel, acid-resistant steel, heat-resistant steel, high-alloy steels, cast iron, bronze, and hard plastics.

What stands out

• 135° split point for self-centering and reduced walking
• Cylindrical shank for secure chuck grip
• Bright surface finish for improved chip flow
• h8 tolerance for consistent hole diameter
• Right-hand cutting direction

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co (5% cobalt)
• Diameter: 7.5 mm
• Overall length: 109 mm
• Working length: 69 mm
• Point angle: 135°
• Point type: Split point
• Flute type: Standard spiral
• Cutting direction: Right-hand
• Manufacturing process: Fully ground
• Surface finish: Bright
• Tolerance: h8
• Packaging quantity: 1 piece

Our verdict

A professional-grade cobalt drill bit for tough metals, offering precision and durability in a single piece.