Our drill rods (PQ DRILL ROD) are all manufactured by CNC machines.
They're made of high quality alloy steel with heat-treated. We also
can produce various sizes of casing tubes. Our drill pipe/drill
rods got most praise from oversea market.
Our drill rods are all manufactured by CNC machines. They're made
of high quality alloy steel with heat-treated.
1. high quality alloy tube
2. thru-wall heat treated tube body
3. consistent concentricity, straightness
4. tapered threads
|a.||Yield Strength: 865Mpa|
|b.||Tensile Strength: 960Mpa|
|d.||Pipe Body Hardness: 30/31 HRC|
|e.||Thread Body Hardness: 50HRC above,Both Male and female Threads are
Nickel Phosphorus Coating|
|f.||Pipe life designed for 7000meters|
Made-to-order products can be supplied according to your detailed
1, light weight (lighter than the old-fashioned drill pipe 45%)
2, footage soon, dust small vertical holes left after drilling
cuttings, into a hole clear.
3, card beans quickly and easily connect and save banding material.
4, under separation of body and drilling may be the end, the use of
5, water-based wet good pass operation.
6.Application: concrete, granite, marble, refractory material...