Material: HSS. Applicable tools: easy to install, easy to use, suitable for chuck greater than or equal to 10MM electric drill, bench drill, high power electric grinding, pneumatic drilling, magnet drill, pistol drill.
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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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Drill and countersink for wood screws without changing bits. Black chamfer drill body material: steel 45. Shank: 1/4 hex shank. Special designed steel counter sleeve countersinks or counter bores for Pilot hole.
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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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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). Automatically deburr holes as you drill. suitable for workpieces with hardness below 25°, Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet.
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Enhanced Efficiency: The central serration on these drill bits significantly improves chip evacuation, leading to smoother drilling and faster overall performance, ideals for both amateurs and professionals.
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Enhanced Efficiency: The central serration on these drill bits significantly improves chip evacuation, leading to smoother drilling and faster overall performance, ideals for both amateurs and professionals.
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X Drill Bit. Fast and efficient chip removal. Quick hole opening. 118°double relief angle for faster drilling speed. Color: as picture.
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