Specifications

1.Drill rod Manufacturer
2.ISO9001-2000 quality
3.13 years drill rod producing experiences
4.Quick delivery.good service

Taper Drill Rod:

Features:

1) Different sizes available

2) Tapered drill rods:

a) Raw materials: 55 SiMnMo, 95 CrMo

b) Shank size: H22 x 108mm (7/8 x 4 1/4 )

c) Taper: 6, 7, 11, 12 degree etc.

d) Length under collar (mm): 610, 1220, 1830, 2000, 2435, 2740, 3050, 3660