RUKO SPB-DIN1897-10,2mm Broca helicoidal 10,2 mm HSS-G

Machinists and metalworkers needing a precise 10.2 mm hole in steel or cast iron reach for this RUKO spiral drill bit. Ground from high-speed steel to DIN 1897, it cuts cleanly in tough materials.

Key specifications

• Drill bit type: Spiral cutting drill bit
• Standard: DIN 1897
• Material: High-speed steel (HSS)
• Manufacturing process: Ground (HSS-G)
• Diameter: 10.2 mm
• Overall length: 89 mm
• Working length (flute length): 40 mm
• Shank type: Cylindrical
• Shank diameter: 10.2 mm
• Point angle: 118°
• Surface finish: Bright
• Tolerance: h8
• Direction of cut: Right-hand cutting
• Suitable materials: Steel, cast steel, grey cast iron, malleable cast iron, non-ferrous metals, plastics

Why choose it

The ground HSS body holds an edge longer than rolled bits, and the bright finish reduces friction for smoother drilling. The 118° point starts on contact without wandering.

Ideal use cases

• General-purpose drilling in steel and cast iron
• Short machine drill applications
• Works with cutting fluid for extended tool life

Good to know

DIN 1897 is a short-series standard, so the bit is compact for stable machine setups. The cylindrical shank fits standard drill chucks.