Description
1The aperture scale is clear， and it should be smaller than the ordinary twist drill. It can open a beautiful aperture without using a center punch. 2Deburring， chamfering， rounding and reaming， functions that can not be done with twist drills can also be completed. 3Ladder structure， widely used， a drill can open a variety of sizes and apertures 4Suitable for workpieces with hardness below 25 such as iron plate， aluminum plate， PV plate and insulation plate 5Using high-quality materials， strong and durable， has a long service lifeItem Type: Step Drill SetMaterial: High-speed steel 4241 (Ti coating)Series: Inch Step DrillSpecification: 1/4-1-3/8， 3/16-7/8， 3/16-1/2， 1/8-1/2， 1/4-3/4 (Unit: Inch) 5pcs setApplicable Places: Suitable for workpieces with hardness below 25 such as iron plates， aluminum plates， PV plates， and insulating plates.5 x Step DrillCustomers who choose 4241 must pay attention to water cooling when hitting the steel plate. The drill bit is easy to anneal due to high temperature and smoke during use. For those who insist on this operation， the drill bit will soon be scrapped.- Brand: Waoniq
- Category: Welding Guns & Plasma Cutters
- Fruugo ID: 187421266-400213331
- EAN: 738623811122
- Sold by: Shenzhenshishuerwenkejiyouxiangongsi
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