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Taper Products

Taper drill rod

The taper drill rod, also known as the tapered drill rod, finished drill rod, small drill rod, and pneumatic drill rod, is powered by either a small pneumatic or hydraulic rock drill to perform shallow hole drilling with a tapered drill bit. Common specifications include H22 and H25, and the rods are typically used with tapers of 4, 7, 11, and 12 degrees. The length of these products ranges from 400mm to 5000mm. They are widely utilized in mining, tunneling, anchoring engineering, quarrying, construction, and numerous other industries.

Taper drill pipe, also known as cone drill, finished drill pipe, small drill pipe, wind drill pipe, is a major drilling drilling tool used in mining, tunnel and water conservancy engineering tunneling, quarrying and rock drilling. It is generally used in hand-held, air-leg pneumatic rock drill and hydraulic bench drill. The taper drill rod is used together with the taper drill bit. The taper drill rod is composed of cone (slightly pointed), rod body, brazing shoulder (collar plate) and impact end.

Production process of taper drill rod:

Production process of ordinary finished steel brazing rod: incoming inspection of hollow steel -- material screening -- straightening -- water pin-hole processing -- impact end processing -- pier squeeze collar plate -- collar plate detection -- brazing rod slight processing -- drill rod heat treatment -- impact end heat treatment-shot blasting -- straightening -- detection -- anti-corrosion painting -- packaging -- warehousing

Production process of integral carburized finished brazing rod: hollow steel incoming inspection -- material screening -- straightening -- water pin-hole processing -- impact end processing -- pier squeeze collar plate -- collar plate detection -- brazing rod integral carbonized quenching tempering -- heat treatment detection -- shot blasting -- straightening -- overall detection -- anti-corrosion painting -- packaging -- warehousing

Application fields of taper drill rods: mining and rock drilling, tunnel engineering, anchoring operation, quarrying rock drilling, etc.

Common specifications of taper drill rods:

Diameter of taper drill rod: H19.H22.H25

Shank size:108mm, 159mm

Taper of drill tip: 4 degrees, 7 degrees, 11 degrees, 12 degrees

Length of taper drill rods: 400mm,800mm,1220mm,1525mm,1830mm,2400mm,and 5000mm.

Pay attention to lotus mountain drilling tools:

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