供应76潜孔钻杆,地热井钻杆,矿山爆破孔钻杆

管子外径(mm)

Diameter pipe

?50

?60

?76

?89

?102

?114

?127

接头外径(mm)

Joint diameter

?50

(?54)

?60

(?68)

?76

(?105)

?89

(?127)

?102

(?127)

?114

(?127)

?127

(?168)

管子壁厚(mm)

Wall thickness

6

6

6

8

9.19

8.56

9.19

钻杆长度(mm)

Length of drill rod

1000～2000

1000～3000

1500～3000

1500～6000

3000～7600

1500～7600

5000-9600

应用于矿山爆破、水井钻孔，地热井钻孔，管棚支护，煤炭及有色金属采矿工程等径向成孔的钻孔工程。

Down-the-hole drilling pipe widely used in mine blasting；drilling the Geothermal；drilling the water well；drilling geothermal wells；pipe-roof Protection,coal and non-ferrous metal mining projects into radial hole drilling work.