89mm diameter
T/T, Western Union, MoneyGram
10000 pieces per month
10-15 days
In bundle
DTH DRILL PIPE,Down the Hole (DTH) Pipes
Drill Pipe,DTH Pipes
Carbide Alloy Steel
rock drilling,Water well drilling
Drilling Tool
3 1/2" API REG thread or API IF thread,2 3/8'',3 1/2'',2 3/8" API REG thread,etc. API REG
water well drilling,Borehole Drilling,Rock drilling,mining,DTH hammer drilling
black or customized
Supplying dimensions and materials testing report
High Performance,competitive advantage products,High quality with factory price
Well Drilling,Rock Drilling,oil and gas