HSS TWIST DRILL BIT, BLACK FINISH - SET (INCHES)

5 (760) · € 9.50 · En stock

The most popular drill for drilling on mild steels, soft and non-ferrous metals 118° conical surface sharpening. Black surface Made of quality High Speed Steel.
The most popular drill for drilling on mild steels, soft and non-ferrous metals 118° conical surface sharpening. Black surface Made of quality High Speed Steel.

The most popular drill for drilling on mild steels, soft and non-ferrous metals
118° conical surface sharpening.
Black surface
Made of quality High Speed Steel.

Remember when you could drill through any material? Black gold finish maximizes the lifespan of your bits by fighting rust, corrosion, and heat damage. The fully ground bits increase accuracy and lifespan in comparison to non-ground alternatives. The 135-degree split points limit slips and walking during operation. Sizes range from 1/16 to 1/2 of an inch in 1/64-inch increments.

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Black gold high speed steel is the long lasting material when it comes to common drill bit materials, not only will the bit's structural integrity withstand tremendous heat and wear, but more importantly black gold bits can drill through tougher materials than common HSS bits. With a 135 degree split-point, these drill bits will catch on the work-surface with greater ease and not wander all over the surface making scratch-marks.

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Description: 1. Made of high-speed steel, with great toughness and hardness, not easy to break, easy chip removal, the drill quenching treatment, improve the hardness of use. Surface black oxide treatment, not easy to rust. 2. This twist drill is proper for electric drill, hand electric drill and impact electric drill. Suitable for Stainless steel, iron, copper, aluminum alloys, wood, plastic drilling and carving. 3. Spiral flute design for quick cleaning of chips.