Made of high quality alloy steel, the blade is extremely sharped, and resistance to cutting. Have good perforation capability.

Effective length of 20mm, can process the thick steel plate, and the thick-walled metal pipe material perforation.

When cutting Chilled materials, cutting edge should be filling cooling liquid.

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.