RUKO SPB-DIN338-HSS-TiN σπειροειδές τρυπάνι 7,75 mm

This RUKO twist drill bit stands out through its titanium nitride coating, which reduces friction and heat during drilling, extending tool life in demanding applications. The SPB-DIN338-HSS-TiN Ø7.75 mm is ground from solid high-speed steel and meets DIN 338, ensuring precise, round holes with a 118° point angle and h8 tolerance.

Highlights

• TiN coating for high wear resistance and heat resistance
• Ground from solid HSS for excellent chip removal
• Cylindrical shank fits standard drill chucks
• Right-hand cutting direction for general purpose drilling

In daily use

Suited for drilling steel, cast iron, non-ferrous metals, and plastics. The 7.75 mm diameter and 75 mm flute length provide good reach, while the overall length of 117 mm offers comfortable handling. The gold TiN surface reduces built-up edge and improves performance in repetitive tasks.

Full specifications

• Drill Bit Type: Twist Drill Bit
• Standard: DIN 338
• Material: High-Speed Steel (HSS)
• Coating: Titanium Nitride (TiN)
• Diameter: 7.75 mm
• Shank Type: Cylindrical Shank
• Point Angle: 118°
• Tolerance: h8
• Cutting Direction: Right-Hand Cutting
• Overall Length: 117 mm
• Working Length (Flute Length): 75 mm
• Recommended Material: Steel, Cast Iron, Non-Ferrous Metals, Plastics
• Manufacturing Process: Ground from Solid
• Surface Finish: TiN Coated (Gold)
• Chip Removal: Excellent
• Heat Resistance: High
• Wear Resistance: High
• Application Type: General Purpose Drilling

Final note

A reliable choice for workshop and industrial drilling tasks where precision and durability are required.