2-1/8" Sheet Metal Holcutter Quad Lead 1/8" DOC 14266 1225630 Aluminum Titanium Nitride (AlTiN) The

Aluminum Titanium Nitride (AlTiN) The most abrasion resistant and hardest coating

and the lifetime of the emulsion is long

Suitable for materials up to 1000N/mm2

Blade No : F30

25 x 40 Metric Coarse Hex Set Screws 50 Pieces Zinc Plated Class 8

2-1/8" Sheet Metal Holcutter Quad Lead 1/8" DOC 14266 1225630 Aluminum Titanium Nitride (AlTiN) TheThe Holcutters, are not hole saws. They're precision ground, heat treated tools that easily cut thru the stock rather than ripping, tearing, and pushing thru as do typical hole saws. They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extended tool life too. All sizes have a "shoulder" to prevent plunge thru, which is especially useful when drilling into live electrical boxes. See for yourself why