- Integral Drill Rods
- 2017-01-15 18:08
- Integral drill rods(integral rods or integral drill steel) are used for small hole drilling, usually they are used for s
- Taper Drill Rods
- 2017-01-15 18:08
- Make drill rods and drill bits together, then it is integral drill rod. Compared with integral drill rods, taper drill r
- DRFTING RODS
- 2017-01-15 18:08
- Extension rods are one major spare part in terms of drill stems, there are two shapes of extension rods, one is round ty
- Tapered Chisel Bit
- 2017-01-15 18:08
- Tapered chisel bit is one traditional drill bits with long history in the world, due to its simple production process, t
- Tapered Button Bit
- 2017-01-15 18:08
- Tapered button bits are one advanced type of taper drill bits if compared with taper chisel bits and taper cross bits. W
- Threaded Button Bit
- 2017-01-15 18:08
- Same as taper button bits, threaded button bits are most popular drill bits in the world now. Like threaded cross bits,
- Coupling Sleeve
- 2017-01-15 18:08
- Because of different applications, we need different lengths of drill stems, so couplings sleeves are used for connectin
