â100% brand new and high quality.
âHave good perforation capability.
âThis item can use on metal , aluminium alloy wood plate.
âProvide 13 kinds of size Alloy Hole Saws, meet different needs.
âPerfect for the installation of locks, knobs for doors and cabinets or drilling holes larger than the diameter through desk etc.
âMade of high quality alloy steel, the blade is extremely sharped, and resistance to cutting.
âCan 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.
Material: Multiple-tooth TCT Carbide Alloy.
Size: 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 35mm, 40mm, 45mm, 50mm, 53mm.
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.
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.