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water drilling 4 wings step drag bits 445mm ( 17 1/2'' )x 6 5/8'' API REG pin thread
$1.00 - $400.00/Piece
1 Piece(Min. Order)
4 wings step drag bits 381mm ( 15'' )x 4 1/2'' API REG pin thread for water well drilling geothermal jet grounting
$1.00 - $350.00/Piece
1 Piece(Min. Order)
4 blade wings step drag bits 375mm ( 14 3/4'' )x 6 5/8'' API REG pin thread for water well drilling
$1.00 - $350.00/Piece
1 Piece(Min. Order)
rock drilling 4 wings step drag bits 362mm ( 14 1/4'' )x 4 1/2'' API REG pin thread for water well geothermal mining
$1.00 - $300.00/Piece
1 Piece(Min. Order)
4 blade wings step drag bits 356mm ( 14'' )x 4 1/2'' API REG pin thread for water well drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
4 blade wings step drag bits 330mm ( 13'' )x 4 1/2'' API REG pin thread for water well geothermal rock drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
SINODRILLS factory 4 wings step drag bit with 311mm ( 12 1/4'' )x 3 1/2'' API REG pin for water well rock drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
305mm step drag bit with 4 wings blades ( 12'' )x 4 1/2'' API REG pin thread for water well drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
4 blade wings step drag bits 292mm ( 11 1/2'' )x 4 1/2'' API REG pin thread for water well drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
factory price water well drill bits four 4 wings step drag bit with 279mm ( 11'' )x 4 1/2'' API REG pin
$1.00 - $300.00/Piece
1 Piece(Min. Order)
factory step drag bit with 4 wings blades 270mm ( 10 5/8'' )x 3 1/2'' API REG pin for water well coal mine geothermal drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
4 wings step drag bits 10'' inch ( 254mm ) x 3 1/2'' API REG pin for water well drilling
$1.00 - $300.00/Piece
1 Piece(Min. Order)
4-wing step drag bit 251mm ( 9 7/8'' )x 3 1/2'' API REG pin
$1.00 - $300.00/Piece
1 Piece(Min. Order)
water well drilling bits 9'' step drag bit with 4 blades 229mm x 3 1/2'' API REG pin
$1.00 - $300.00/Piece
1 Piece(Min. Order)
4 wings step drag bit ( 219mm ) 8 5/8'' x 3 1/2'' API for soft rock formation
$1.00 - $300.00/Piece
1 Piece(Min. Order)
rotary water well drilling 4 wings step drag bit (216mm) 8 1/2'' x 3 1/2'' API REG pin
$1.00 - $300.00/Piece
1 Piece(Min. Order)
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