The setscrew. Drill and countersink for wood screws without changing bits. Countersink or counter bore clean, smooth holes for screws and fasteners. Black chamfer drill body material: steel 45. Material: HSS Drill 4241.
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The 60° angled tip ensures stability during drilling, preventing bit "walking" and improving precision in lathe work, milling, or bench drilling. Professional HSS Center Drill Set – 14PCSCenter Drills Spotting Drill for Precision Machining （Each size 2pcs）.
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6PCS 90° Chamfer Countersink Drill Bit Set – HSS 3-Flute End Mill Cutters (6.3–20.5mm). ✔90° Chamfer & Countersink Design. ✔High-Speed Steel (HSS). ✔Round Shank. The90-degree tapered design combined with a3-flute cutting structure ensures clean chamfers, accurate hole finishing, and efficient chip removal.
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5 Piece 90 Degree HSS Countersink Set. Rennie Tool Co Ltd.
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Neilsen 6pc Titanium Coated HSS Countersink Drill Bit Set For Steel Wood Bits Size: 6.3,8.3,10.4,12.4,16.5,20.5mm Suitable for carbon steel, sheet steel fibre board, PVC and Wood Size: Diameter x Shank x Length 6.3 x 5.0 x 37mm 8.3 x 6.0 x 40mm 10.4 x 6.0 x39mm 12.4 x 10 x 46mm 16.5 x 10 x 47mm 20.5 x 10 x 47mm.
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These high strength HSS constructed drill bits are perfect for drilling workpiece with the hardness below 25HRC, such as for carbon steel, sheet iron plate, insulating plate, PVC plate, wood board, etc.
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90 DEGREE HSS COUNTERSINK. The countersink has a bright finish, 3 flutes, and is fully ground. and can also be used as a de-burring tool.
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