product description:
Features: ✔100% brand new and high quality.
✔Have good perforation capability.
✔This item can use on metal , aluminium alloy wood plate.
✔Provide 13 kinds of size Alloy Hole Saws, meet different needs.
✔Perfect for the installation of locks, knobs for doors and cabinets or drilling holes larger than
the diameter through desk etc.
✔Made of high quality alloy steel, the blade is extremely sharped, and resistance to cutting.
✔Can be clamped on hand drill and bench drill, can be used for thick steel plates, cast iron,
stainless steel, non-standard angle iron and other metal open hole.
Specification: Material: Multiple-tooth TCT Carbide Alloy.
Size: 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 35mm, 40mm, 45mm, 50mm,
53mm.
Package Includes: 13 x Multiple-tooth TCT Carbide Alloy Hole Saws
How to use 1.When use this item , the cutting material must be fixed,it can not be moved, it should be
vertical to 90 degree to the drill bit.
2.When the central drill bit drill throught the borad, please wait for a little while, then drill the
hole slowly.
3.When drilling the hole, if you feel the drill bit is abnormal or the waste chip remove is not
ideal ,please stop drilling. remove the chip then continue to drill the hole.
Important Note: When you using this drill bit, the materials (eg. Stainless Steel, Sheet Metal, Cast Iron,Aluminum,
Copper, Brass ect.) temperature will get very high , please add some water or coolant to avoid the
material get smoke.
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