Hogert 4 - 32 mm Step Drill Bit Set (3 Pcs), HT6D325

Set of 3-step drill bits adapted for drilling in various types of steel, non-ferrous metals, plastics and wood. They enable the drilling of precise holes. They can be used in tinsmith services, car workshops or in installers and electricians work. For professional use.

Features:

• Made of hardened high-speed steel HSS 4241
• Special coating of titanium nitride increases durability and extends the usage time 4 times
• Precise, high-speed drilling
• An untwisted and thicker core ensures resistance to cracking during operation
• Diameter: 4-12 mm, 4-20 mm, 4-32 mm;
• Number of steps: 5 (4, 6, 8, 10, 12 mm), 9 (4, 6, 8, 10, 12, 14, 16, 18, 20 mm), 15 (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm)
• Two straight cutting grooves enable two times faster and smoother cutting due to the effective removal of swarf and heat dissipation
• They reduce the risk of overheating
• 1/4” HEX drive enables quick and reliable seating in drills as well as drill-drivers or adaptors
• Point angle of 118° and the conical shape of the drill – they do not require prior drilling or marking drilling points
• Auto-deburring – automatic deburring and edge smoothing during drilling eliminates the need to process the hole manually
• Markings on the surface of the drill enable controlling the correct diameter of the hole to be made

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