RUKO SPB-DIN338-HSS-TiN Twist Drill Bit 29/64 inch (11.5 mm) DIN 338 TiN Coated

Precision-ground HSS twist drill bit with a 135° split point and TiN coating for high-performance drilling in steel, cast iron, and non-ferrous metals. Diameter 29/64 inch (11.5 mm), DIN 338 standard, right-hand cutting.

Overview

The RUKO SPB-DIN338-HSS-TiN-Ø29/64-inch is a fully ground twist drill bit made from high-speed steel (HSS) with a titanium nitride (TiN) coating. It conforms to DIN 338 and features a cylindrical shank, 135° point angle, and right-hand cutting direction. The drill bit has an overall length of 142 mm and a flute length of 94 mm.

What stands out

• TiN coating reduces friction and increases wear resistance for longer tool life.
• 135° split point provides self-centering and reduces walking on the workpiece.
• Fully ground flutes ensure smooth chip evacuation and accurate hole sizing.
• Suitable for alloyed and unalloyed steel, cast iron, non-ferrous metals, plastics, and wood.

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 29/64 inch (11.5 mm)
• Shank type: Cylindrical
• Point angle: 135°
• Cutting direction: Right-hand cutting
• Overall length: 142 mm
• Flute length: 94 mm
• Shank diameter: 11.5 mm
• Tolerance: h8
• Manufacturing process: Fully ground
• Colour: Gold (TiN coated)
• Packaging: Single piece

Our verdict

A reliable TiN-coated HSS twist drill bit for general-purpose drilling in metal and other materials. The 135° split point and DIN 338 geometry make it a solid choice for workshop and industrial use.