NEO TOOLS punta trapano per metallo HSS-Co 7,0 mm, confezione da 10 (DIN 338, affilatura a croce, 135°)

For professionals who refuse to compromise on hole quality, these NEO TOOLS HSS-Co twist drill bits deliver the cutting power of 5% cobalt alloy in a fully ground, DIN 338 geometry. The 135° split point starts on contact without wandering, while the bronze oxide finish reduces friction and resists corrosion. Packed in a practical storage case, this 10-piece set keeps a fresh, sharp bit always within reach.

Highlights

• 5% cobalt high-speed steel for high heat and wear resistance
• 135° split point for accurate, low-pressure starting
• Fully ground flutes for smooth chip evacuation
• Bronze oxide surface finish for reduced friction and longer life
• DIN 338 standard dimensions: 109 mm overall, 69 mm working length
• Supplied in a reusable plastic storage case

In daily use

These bits excel in tough materials—stainless steel, alloyed steel, cast iron, and non-ferrous metals. The cobalt content maintains hardness even at elevated temperatures, so you can drill continuously without frequent cooling pauses. The cylindrical shank fits standard keyed or keyless chucks, and the right-hand cutting direction suits all common drills and drill presses.

Full specifications

• Drill bit type: Twist drill bit
• Material: HSS-Co (high-speed steel with 5% cobalt)
• Diameter: 7.0 mm
• Quantity: 10 pieces
• Shank type: Cylindrical
• Point angle: 135°
• Tip type: Split point
• Standard: DIN 338
• Manufacturing process: Fully ground
• Surface finish: Bronze oxide
• Cutting direction: Right-hand cut
• Overall length: 109 mm
• Working length: 69 mm
• Recommended materials: Metal, stainless steel, cast iron, alloyed steel, non-ferrous metals
• Packaging: Plastic storage case

Final note

NEO TOOLS 57-042-10 brings industrial-grade cobalt performance to your workshop—a reliable set for demanding metal drilling tasks.