Högert Step Drill Bit D 4 - 39 mm

Step drill bit Ø 4 - 39 mm

The step drill bit is suitable for drilling in various types of steel, non-ferrous metals, copper, brass and aluminum, stainless steel, plastics, and wood. It allows for drilling precise holes and can be used in sheet metal and locksmith workshops, car repair workshops, or by plumbers and electricians. Designed for professional use.

• made of hardened HSS 4241 high-speed steel;
• special titanium nitride coating increases durability and quadruples the lifespan;
• precision with high drilling speed;
• the untwisted and thicker core provides resistance against cracking during use;
• diameter: HT6D321 - 4-12 mm HT6D322 - 4-20 mm HT6D323 - 4-32 mm HT6D324 - 4-39 mm;
• two straight cutting edges enable twice as fast and smoother cutting through efficient chip and heat dissipation;
• reduce the risk of overheating;
• number of steps: HT6D321 - 5 (4, 6, 8, 10, 12 mm) HT6D322 - 9 (4, 6, 8, 10, 12, 14, 16, 18, 20 mm) HT6D323 - 15 (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm) HT6D324 - 13 (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39 mm);
• 1/4 HEX drive for quick and secure assembly on drills, screwdrivers, or adapters, HT6D324 drill with triangular drive - prevents bit slipping and rotating in the chuck;
• 118° cutting angle and conical shape of the drill - pre-drilling or scoring is not required;
• auto-deburring - automatically chamfers and smoothens the edges during drilling, eliminating the need for manual hole processing;
• designed according to DIN 1412C;
• the maximum material thickness is 4 mm;
• markings on the surface of the drill bit allow you to monitor the correct diameter of the hole.