RUKO LOS-HSSCo-43mm HSS-Co 5% Cobalt Twist Drill Bit 4.3mm DIN 338 Split Point

Precision-ground from solid HSS-Co with 5% cobalt, this 4.3 mm twist drill bit delivers high heat and wear resistance for demanding metal drilling. The 135° split point self-centers and reduces walking, while the bright polished finish ensures smooth chip evacuation.

Overview

The RUKO GMBH LOS-HSSCo-43mm is a cylindrical shank twist drill bit manufactured to DIN 338 standards. With a diameter of 4.3 mm, flute length of 43 mm, and overall length of 75 mm, it fits standard drill chucks for corded and cordless drills. The h8 tolerance guarantees precise hole dimensions.

What stands out

• 5% cobalt HSS-Co material withstands high temperatures and abrasive wear
• 135° split point eliminates center punching and improves accuracy
• Ground from solid for consistent geometry and long tool life
• Bright polished surface reduces friction and aids chip flow

Technical details

• Drill Bit Type: Twist Drill Bit
• Material: HSS-Co (High-Speed Steel Cobalt), 5% Cobalt
• Drill Diameter: 4.3 mm
• Shank Type: Cylindrical, Diameter 4.3 mm
• Standard: DIN 338
• Point Angle: 135°
• Point Type: Split Point (Self-Centering)
• Cutting Direction: Right-Hand Cut
• Surface Finish: Bright / Polished
• Overall Length (L1): 75 mm
• Flute Length (L2): 43 mm
• Tolerance: h8
• Recommended Application: High-alloy steel, stainless steel, cast iron, non-ferrous metals, plastics
• Heat Resistance: High
• Wear Resistance: High
• Manufacturing Process: Ground from Solid
• Chip Removal: Excellent
• Compatibility: Drill chucks for corded and cordless drills

Our verdict

A professional-grade cobalt twist drill bit that excels in tough materials, offering precision and durability for demanding workshop tasks.