RUKO SPB-DIN338-7/16-HSSCo HSS-Co špirálový vrták 7/16 palca (11,11 mm) DIN 338

With a 135° split point for self-centering and reduced walking, this RUKO twist drill bit is built from HSS-Co (5% cobalt) for high heat resistance and wear resistance in tough materials.

Overview

The RUKO SPB-DIN338-7/16-HSSCo is a fully ground twist drill bit manufactured to DIN 338 standards. The 7/16 inch (11.11 mm) diameter bit features a cylindrical shank and right-hand cutting direction. Its bright finish and h8 tolerance ensure consistent performance.

What stands out

• HSS-Co with 5% cobalt for increased hardness and heat resistance
• 135° split point for accurate starting without a center punch
• Fully ground flutes for smooth chip evacuation
• Suitable for alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals, and plastics

Technical details

• Drill Bit Type: Twist Drill Bit
• Standard: DIN 338
• Diameter: 7/16 inch (11.11 mm)
• Overall Length: 142 mm
• Flute Length: 94 mm
• Shank Type: Cylindrical
• Point Angle: 135°
• Point Type: Split Point
• Surface Finish: Bright
• Manufacturing Process: Fully Ground
• Tolerance: h8
• Cutting Direction: Right-Hand
• Helix Angle: Normal (Type N)
• Number of Flutes: 2
• Packaging Quantity: 1

Our verdict

A professional-grade cobalt drill bit that delivers precision and durability for demanding drilling tasks in hard metals.