Triple-Flute High-Speed Counterbore Drill - Specially designed cutting edges enable fast, clean drilling and reaming in one operation. Drill Type: Triple-flute counterbore. Kit Includes: Internal tap, external die, counterbore drill, connecting rod.
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1 4-42mm HSS Step Cone Drill Bit). 14 sizes, 4-42mm(4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42mm). 2X(Treated by Nitrogen to increase the hardness and abrasion resistance. Automatically deburr holes as you drill.
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High toughness and higher strength: The drill bits are quenched for increased wear resistance, p roviding a more efficient and enduring working experience. Wide range of applications: Suitable for machines such as hand drills, bench drills, drills, milling machines, and radial drills.
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Multi-Size Range: Includes 4-12mm step drill and 8-20mm countersink for versatile hole sizing. Hex Shank : Features a secure grip for stable drilling performance with various materials. High-Speed Steel: Made of HSS4241 for efficient cutting and heat resistance during prolonged work.
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For for Construction: Crafted from high-speed steel (HSS) and coated with gold, our drill bits are designed for exceptional resistance and longevity, they outperform standard options available on the market.
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Contains 4 specifications: 6mm, 8mm, 10mm, 12mm. Size:6mm, 8mm, 10mm, 12mm(optional). Drill Bit specifications of each are marked and easy to use. 10 x Drill Bit. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Drill and countersink for wood screws without changing bits. Black chamfer drill body material: steel 45.
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Multi-Size Range: Includes 4-12mm step drill and 8-20mm countersink for versatile hole sizing. Hex Shank : Features a secure grip for stable drilling performance with various materials. High-Speed Steel: Made of HSS4241 for efficient cutting and heat resistance during prolonged work.
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