HPMAISON 3pcs HSS Step Bits, High Speed Steel Step Drill Bit Set (4-12mm, 4-20mm, 4-32 mm) Hex Shank Metric, Gold Titanium Straight Grooved Cone Drill Bit Hole Cutter for Wood, Plastic and Sheet Metal

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Product description
- Premium Material HPMAISON 3pcs HSS Step Bits are made of true 4241 high speed steel materials, 60-65 HRC, which provides good heat, wear and chip resistance, more robust and more sharper. So easy to drill clean and precise holes. This step drill bit is perfect and you deserve it!
- Size HPMAISON High Speed Steel Step Drill Bits Set includes 3 sizes 4-12mm, 4-20mm and 4-32mm. Designed with 6.35mm hex shank for a quick assemble and change. 4-12mm step bit length is 70mm, the hex shank length is 22mm. 4-20mm step bit length is 80mm, the hex shank length is 28mm. 4-32mm step bit length is 110mm, the hex shank length is 30mm.
- Drilling Efficiency HPMAISON 3PCS HSS Step Drill Bits Set (4-12mm, 4-20mm and 4-32mm) has 118 Split Point which provides fast cutting. Precision drilling different diameter holes range from 4mm to 32mm, which provides good drilling speed and accuracy. Despite the higher price, the cost of drilling a single hole with a HSS 4241 drill bit is lower, because it can drill more holes.
- Widely Application HPMAISON HSS Step Drill Bit is widely used for Pre-drilling, drilling and deburring. Two-fluted cutting edges design provides faster, smoother drilling, the material has high hardness and heat resistance. Very suitable for drilling on plastic, aluminum, copper, wood, sheet steel, sheet stainless steel and other sheet metal. Titanium Step Drill Bits are especially suitable for processing copper and aluminum parts, processing mould steel, processing spring steel, processing cast iron parts, processing iron and other metal materials.
- Compatible Machines 1 4"(6.35mm) hex shank fits for most drills or drills with 1 4" chuck. Compatible with Bosch, Compatible with Makita, Compatible with Einhell and Other Brands Machines.
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