RUKO SPB-DIN338-HSS-TiN-Ø17/64-tuuma kierteispora

Drilling precise holes in tough materials like steel and cast iron demands a bit that stays sharp and resists heat. This RUKO twist drill bit, with its titanium nitride coating, tackles those challenges head-on, delivering clean, accurate holes in metal, non-ferrous metals, and plastics.

Who is it for

Machinists, metalworkers, and serious DIYers who need a reliable general-purpose drill bit for everyday drilling tasks in steel, cast iron, and other common materials.

Main features

• Titanium nitride (TiN) coating for increased hardness and heat resistance up to 600°C
• Precision ground from high-speed steel (HSS) to DIN 338 standards
• 17/64 inch (6.75 mm) diameter with cylindrical shank
• 118° point angle and type N helix for efficient cutting
• Right-hand cutting direction with h8 tolerance

Specifications

• Product type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Drill diameter: 17/64 inch (6.75 mm)
• Shank type: Cylindrical
• Shank diameter: 6.75 mm
• Overall length: 109 mm
• Working length (flute length): 69 mm
• Point angle: 118°
• Helix angle: Type N (normal)
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Coating colour: Gold
• Heat resistance: Up to 600°C
• Coating hardness: Approx. 2300 HV
• Recommended materials: Steel, cast iron, non-ferrous metals, plastics
• Application: General purpose drilling
• Packaging: Single unit

Tips

Use cutting fluid when drilling steel to extend bit life and improve hole quality. For best results, start with a center punch to prevent walking.