Feature
●[Set of 6 step drills] 4-32MM / 4-20 MM / 4-12MM / 6MM / 8MM / 3MM.6-piece set.
●[High Speed Steel 4241]: High Speed Steel (HSS) is a tool steel with high hardness, high wear resistance and high heat resistance, also called high speed tool steel or front steel, and is generally known as white steel. Oppsiue step drills are hardened and forged at 100 ° C to 900 ° C. Titanium plating is applied to the surface. Produces strong cutting wear and impact resistance. Hardness: HRC63 or higher.
●[Application scene] Using one step drill bit instead of multiple drill bits, holes with different diameters can be processed as needed, and large holes can be processed without changing the drill bits or drilling positioning holes. A one-time process can be realized. Since the step drill expands holes in order from small holes to large holes, it is possible to drill multiple sizes and enlarge and correct holes.
●[Wide range of applications] An indispensable tool for drilling holes in stainless steel, thin iron plates, aluminum plates, wood, vinyl, resin, etc., DIY for home use, enlargement of pilot holes, chamfering, deburring, etc.
●[Compatible models] Impact driver, electric drill, charging drill.
Description
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