RUKO SPB-DIN338 4,8mm HSS-Co spiraalboor

The RUKO SPB-DIN338 4.8mm HSS-Co twist drill bit is built for demanding drilling in tough materials. Its 5% cobalt alloy and split point tip set it apart from standard HSS bits, delivering high heat resistance and precise starts without wandering.

Highlights

• 5% cobalt HSS-Co for high heat resistance and durability
• Split point (135° self-centering) for accurate drilling
• Fully ground with bright finish for smooth chip evacuation
• DIN 338 standard with h8 shank tolerance
• Suitable for steel up to 1100 N/mm², stainless steel, cast iron, and non-ferrous metals

In daily use

Ideal for workshops and demanding DIY projects, this drill bit handles alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals. The split point reduces walking and requires less pressure, while the cobalt alloy extends tool life under high temperatures.

Full specifications

• Drill bit type: Twist drill bit
• Diameter: 4.8 mm
• Overall length: 86 mm
• Working length: 52 mm
• Shank type: Cylindrical
• Shank diameter: 4.8 mm
• Point angle: 130°
• Material: HSS-Co (5% cobalt)
• Surface finish: Bright
• Cutting direction: Right-hand
• Tolerance: h8

Final note

Precision and endurance in one bit — the RUKO SPB-DIN338 4.8mm HSS-Co is a reliable choice for professional results in tough materials.