RUKO SPB-DIN345-HSSCo-Ø12,0mm kierrepora Morsekartiovarrellla, HSS-Co, DIN 345, 12 mm

Precision-ground HSS-Co twist drill with 12.0 mm diameter, Morse taper shank MK1, and 135° point angle for high-alloy steels and stainless steel up to 1100 N/mm².

Overview

The RUKO SPB-DIN345-HSSCo-Ø12.0mm is a heavy-duty twist drill bit engineered for demanding metalworking applications. It features a Morse taper shank (MK1) for secure mounting in machine spindles, a diameter of 12.0 mm, and an overall length of 184 mm with a flute length of 94 mm. Manufactured from HSS-Co (high-speed steel with 5% cobalt), this drill bit offers excellent heat resistance and wear resistance, making it suitable for drilling high-alloy steels, stainless steel, cast iron, and non-ferrous metals with tensile strength up to 1100 N/mm².

What stands out

• Morse taper shank MK1 for reliable power transmission in stationary drilling machines
• 135° split point reduces walking and enables accurate hole positioning
• Ground from solid for high precision and consistent cutting performance
• Bright finish (uncoated) for clean chip evacuation and reduced friction
• Conforms to DIN 345 standard for dimensional accuracy

Technical details

• Drill bit type: Morse taper shank twist drill
• Material: HSS-Co (5% cobalt)
• Standard: DIN 345
• Diameter: 12.0 mm
• Morse taper size: MK1
• Overall length (l1): 184 mm
• Flute length (l2): 94 mm
• Point angle: 135°
• Cutting direction: Right-hand cutting
• Surface finish: Bright (uncoated)
• Tolerance: h8
• Application: High-alloy steels, stainless steel, cast iron, non-ferrous metals
• Max tensile strength: 1100 N/mm²
• Manufacturing process: Ground from solid
• Flute type: Standard spiral flute
• Packaging: Single piece

Our verdict

A professional-grade drill bit for machine shops and metalworking professionals, offering precision, durability, and high performance in tough materials.