Stepped drill, the whole carbide ladder drill, stepped twist drill bit, non-standard step drill set to do manufacturers, Suzhou 90 degree ladder drill which wholesale

Threaded bottom hole with 90 degree stepped drill Features:

Related solid carbide drill can be processed gray cast iron, medium hardness cast iron, gray cast iron, malleable cast iron, ductile iron, aluminum and other drill for a variety of options.

Material: solid carbide, non-coated; drilling depth: 2-3 times the diameter, cooling: cold; handle type: D2 straight handle; Scope: for cast iron, aluminum drilling.

Changzhou good tools Co., Ltd. mainly engaged in: high-precision turning, milling, drilling, boring, cutting cut, welding tools and threading can be indexing CNC blade, non-standard tool production and machine tool accessories; Connaught, Chengdu, wood, South Korea YG, Kenner, and other well-known brands of agents manufacturers.