Hex Shank Step Drill Bit Twist Drill Cobalt High-Speed Steel Titanium Nitride Coating

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[6.35mm Hex Shank]
The step drill features a 6.35mm hex shank for a secure grip and effective anti-slip.
Sizes: 4-20mm (9 steps): 4-6-8-10-12-14-16-18-20mm
Sizes: 4-12mm (9 steps): 4-5-6-7-8-9-10-11-12mm

[High-Quality M35 Material]
Made from M35 cobalt alloy, offering excellent hardness and wear resistance. The M35 alloy material ensures the drill bit's durability and stable performance.

[Titanium Aluminum Nitride Coating]
Utilizes a titanium aluminum nitride coating for superior wear and corrosion resistance, enhancing the step drill's durability. This special coating reduces friction, extending the drill bit's lifespan while maintaining stable cutting performance.

[Double Flute Design]
The step drill employs a double flute design to improve cutting efficiency and increase the step drill's flexibility. The 75° spiral edge and 118° X-type drill bit prevent slippage, allowing for faster drilling and precise cutting.

[Compatible with Various Materials]
This step drill is designed to work with a wide range of materials including wood, metal, and plastic. It is suitable for high-hardness materials such as aluminum plates, steel plates, stainless steel plates, carbon steel, stainless steel plates under 1mm thick, and iron or aluminum plates under 3mm thick.

Hex Shank Step Drill Twist Drill M35 Cobalt High-Speed Steel Titanium Nitride Coated Double Flute Drill Bit 2-Piece Set [4-20mm/4-12mm] Sheet Metal and Aluminum Woodworking DIY Tool for Home Use

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2753/150.180
$$2380