1.OEM coal mining twist drill rod
2.coal mining drill rod with ISO9001
3.good feedback coal mining drill rod
4.best price
Port: ningbo
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Week
Payment Terms: T/T
Contact SupplierPackaging Detail: plywooden case
Delivery Detail: 1-10days
coal mining drill rod
Tapered Drill Rod :
1. Supply H22 and H25 tapered drill rod
2. Body Length: 400mm-8000mm
3. Tip Taper a4.8 712or others
4. Shank Length: 108mm or 159mm
5. Shank Flushing Hole: 7.5mm-8.5mm.
coal mining Twist drill rod
The feature:
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 life extended.
5, Water-based wet good pass operation.
Notes:Non-standard also can be available according to your points.