ʻO nā paipu Drill i hoʻohana ʻia i nā noi e like me DTH/DTHR/DR i loko o kahi paipu kila me kahi pine ma kekahi kihi a me kahi pahu ma kekahi.ʻO ka hana o ka paipu drill ʻo ia ka hoʻouna ʻana i ka rotational torque a me ka hoʻokuʻu ʻana mai ke poʻo rotary drill rig a i lalo i nā mea hana wili lua.

Ma muli o nā noi like ʻole, pono nā anawaena ʻokoʻa o nā paipu hoʻoheheʻe, ʻo ka mea maʻamau, pono nā hāmare DTH liʻiliʻi i nā paipu drill DTH liʻiliʻi, ʻo ia hoʻi.Hāʻawi maʻamau mākou i 50mm, 60mm, 76mm, 89mm, 95mm, 102mm, 114mm, 127mm, 140mm, 159mm.

ʻO ka maʻamau, he mau pilina API maʻamau nā kaula, e like me 2 3/8″ API REG thread, 3 1/2″ API REG thread a i ʻole API IF thread, a pēlā aku.

Hōʻike:

1.Reliable hana hana

2. Ka nui o waho:60mm,76mm,89mm,114mm,140mm

3. Māhele: API Reg

4.Wall mānoanoa: 5.5/6.5mm/7.5/8.5mm/10mm