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2014-07-09 17:15:20

"Solid carbide drills" cutting materials: thin iron plate, aluminum, insulation board, PVC board, wood, etc. thickness within 4mm. Able to play with a variety of drill hole. According to different diameter holes need to be processed, and can achieve a large hole to complete a one-time process, no need to replace the drill bit and hit the positioning hole and so on.
"" Product Features:
A unique ladder structure, a "Solid carbide drills" pore size drill carve a variety of specifications, a step drill arrived on the box of the drill bit.
2, without using a center punch, compared with ordinary twist easily broken. Construction site, a step drill specifications apply.
3, deburring, chamfering, open oval hole expansion, twist function which can not be completed as possible.
4, "Solid carbide drills" compared to ordinary twist. Shaking small, no use leading center aperture punch out can carve out beautiful.
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