RUKO SPB-TX-DIN338-HSSCo-Ø9.0mm Twist Drill Bit

Drilling into hard materials like stainless steel or alloyed steel demands a bit that stays sharp and resists heat. The RUKO SPB-TX-DIN338-HSSCo-Ø9.0mm twist drill bit is built for exactly that challenge, combining cobalt-alloyed high-speed steel with a precision split point for accurate starts.

Who is it for

This drill bit is intended for professionals and serious DIY users who regularly work with tough metals. It is suitable for drilling alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals.

Main features

• HSS-Co (5% cobalt) construction for high heat resistance and durability
• Fully ground twist drill bit with a 135° split point for self-centering and reduced walking
• DIN 338 standard dimensions: 9.0 mm diameter, 125 mm overall length, 81 mm flute length
• Cylindrical shank with h8 tolerance for secure chucking
• Bright surface finish for corrosion resistance
• Right-hand cutting direction

Specifications

• Drill bit type: Twist drill bit
• Material: HSS-Co (high-speed steel with cobalt)
• Standard: DIN 338
• Diameter: 9.0 mm
• Shank type: Cylindrical
• Shank diameter: 9.0 mm
• Overall length: 125 mm
• Working length (flute length): 81 mm
• Point angle: 135°
• Point grind: Split point (cross-ground)
• Cobalt content: 5%
• Surface finish: Bright
• Cutting direction: Right-hand
• Tolerance: h8
• Recommended materials: Alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals
• Manufacturing process: Fully ground
• Heat resistance: High
• Application: General purpose drilling, especially in harder materials

Tips

Use a suitable cutting fluid when drilling stainless steel to extend tool life. Ensure the drill bit is securely tightened in the chuck to prevent slippage.