RUKO SPB-DIN338-HSSCo8-Ø2,2mm σπειροειδές τρυπάνι

The RUKO SPB-DIN338-HSSCo8 twist drill bit stands out for its solid cobalt-alloyed high-speed steel construction, ground from solid for precise, wear-resistant cutting edges. With a 2.2 mm diameter and DIN 338 geometry, it delivers accurate holes in demanding materials.

Highlights

• HSS-Co8 material with 8% cobalt for high heat and wear resistance
• Ground from solid for superior concentricity and edge retention
• 135° point angle for reduced wandering and faster cutting
• h8 tolerance for consistent hole quality

In daily use

This drill bit is suited for high-alloy steels, stainless steel, acid-resistant steel, heat-resistant steel, cast iron, bronze, and titanium alloys. Its bright surface finish and right-hand cutting direction make it a reliable choice for workshop and industrial applications.

Full specifications

• Product type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co8
• Drill bit diameter: 2.2 mm
• Shank diameter: 2.2 mm
• Overall length: 49 mm
• Working length: 24 mm
• Point angle: 135°
• Tolerance: h8
• Surface finish: Bright
• Cutting direction: Right-hand cutting
• Shank type: Cylindrical
• Packaging quantity: 1 piece

Final note

Precision-ground cobalt steel for demanding drilling tasks in tough alloys.