RUKO SPB-DIN338 8.75mm Roll-Forged HSS Twist Drill Bit

For metalworkers and maintenance technicians who need a dependable twist drill bit for everyday drilling in steel, non-ferrous metals, plastics, and wood, the RUKO SPB-DIN338 8.75mm roll-forged HSS twist drill bit delivers consistent performance. Its 118° point angle and standard helix ensure efficient chip removal and accurate hole starting in a drill chuck or cordless drill.

Key specifications

• Drill bit type: Twist drill bit
• Diameter: 8.75 mm
• Standard: DIN 338
• Material: High-speed steel (HSS), roll-forged
• Surface finish: Black oxide
• Overall length: 125 mm
• Working length: 81 mm
• Shank type: Cylindrical
• Point angle: 118°
• Tolerance: h8
• Rotation direction: Right-hand cutting
• Packaging quantity: 1 piece

Why choose it

Roll-forged from high-speed steel, this bit offers a good balance of hardness and toughness for general-purpose drilling. The black oxide finish reduces friction and improves chip flow, while the cylindrical shank fits standard drill chucks. Suitable for cordless drills, it is not intended for impact drilling.

Ideal use cases

• Drilling steel and non-ferrous metals up to medium hardness
• Creating holes in plastics and wood
• Maintenance and repair work in workshops
• General fabrication tasks requiring a precise 8.75 mm hole

Good to know

For metal drilling, use a suitable cutting fluid to extend tool life. The bit meets DIN 338 dimensional standards, ensuring compatibility with standard drill chucks and tool holders.