41F Type Of Threads Or Customized As Required Double Wall Drill Pipe
Product Description
In order to realize the reverse circulation drilling process of the through-the-hole DTH hammer, the matching drilling tool system mainly includes a double-wall drill rod. In addition to the through-the-hole DTH hammer used to realize the impact effect, a reverse circulation drill bit and a double channel are also required Faucet, and other auxiliary tools. The double-arm drill pipe is one of its core components
Double wall drill pipe
Type | O.D.of the outer tube (mm) | I.D.of the inner tube (mm) | Outer dianeter of joint (mm) | Type of threads | Effective length (m) |
WB114/65 | 114 | 65 | 156 | 41F | 6 |
WB127/76 | 127 | 76 | 162/168 | 41/21F | 6 , 9.5 |
DB127/76 | 127 | 76 | 184 | 51/2FH | 9.5 |
WB140/88 | 139.7 | 88 | 184 | 51/2FH | 6,9.5 |
WB219/130 | 219 | 130 | 240 | Factory standard | 6,9.5 |
WK76/32 | 76 | 32 | 78 | 3" Remet | 3 |
WK102/41 | 102 | 41 | 103 | 4" Remet | 3 , 6 |
WK114/52 | 114.3 | 52 | 116 | 4 1/2" Remet | 3 , 6 |
WK114/38 | 114.3 | 38 | 114.3 | 4 1/2" Metzke | 3 , 6 |
WK114/50 | 114.3 | 50 | 114.3 | 4 1/2" Remet | 3 , 6 |
WP50/20 | 50 | 20 | 50 | 1 , 1.5 | |
WP73/35 | 73 | 35 | 73 | 1 , 1.5 | |
WP89/40 | 89 | 40 | 89 | 1 , 1.5 |
Drill pipe usage notes:
1.New drill pipe should be pasted thread oil before connection
2.Make up and break at least 3 times before drilling
3.Hard bending and plastic coating can be processed according to costumer special requirement.
water well tubing
FAQ
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A: Yes, we could offer the sample need to pay the cost of products and freight.
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A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.