Makita Drill Bit HSS 4 to 12 mm Hex Shank 0.25in Diameter D-40082

Makita D-40082 drill bit is a specialized tool designed for efficient metal drilling across a diameter range of 4 to 12 mm. Constructed with high-speed steel (HSS), this hex shank drill bit offers durability and precision for diverse industrial, automotive, and construction tasks.

The drill features a straight flute design, which enhances chip removal during use, resulting in cleaner and more accurate holes. With an overall length of 65 mm and a working length of 45 mm, it fits well in standard drills equipped with a 0.25-inch hex shank.

This step drill bit includes nine diameter steps, allowing users to create holes of varying sizes in sheet metal and other materials. Its robust HSS construction ensures extended tool life during repeated use in professional and DIY environments.

Applications range from electrical and mechanical installations to automotive repairs and HVAC or plumbing projects. High-speed steel (HSS) provides superior hardness and wear resistance. Hex shank design improves grip and reduces slippage.

Straight flute enhances chip evacuation and drilling performance. Suitable for drilling a variety of metals and sheet materials. Nine stepped diameters cover a wide range of hole sizes. Compact length suitable for power drills with 1/4 inch hex chuck.

Manufactured in China with no formal standards or approvals.

This Makita drill bit combines precision, durability, and versatility making it an essential accessory for metalworking, mechanical workshops, electrical setups, and other industrial environments.

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