RUKO SPB-DIN338-HSS-G špirálový vrták 9,8 mm, hrotový brús, DIN 338

Precision-ground from high-speed steel to DIN 338, this 9.8 mm twist drill bit features a 135° split point that self-centres without pre-punching and cuts with reduced feed pressure.

Overview

The RUKO SPB series drill bit is fully ground (HSS-G) for high concentricity and accuracy. Its cylindrical shank fits standard drill chucks, and the bright finish reduces friction for cleaner holes.

What stands out

• Self-centring split point – no centre punch needed
• 135° point angle for fast penetration
• Fully ground flutes for smooth chip evacuation
• Right-hand cutting direction

Technical details

• Type: Twist drill bit
• Material: High-speed steel (HSS)
• Standard: DIN 338
• Diameter: 9.8 mm
• Total length: 133 mm
• Flute length: 87 mm
• Shank: Cylindrical
• Surface: Bright
• Applications: Steel, cast iron, non-ferrous metals, plastics, wood

Our verdict

A professional-grade HSS twist drill bit that delivers precise, self-centring holes in a wide range of materials.