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Rapid Delivery for Flat Junk Mill - Two-Way Shock Sub Type SJ – Gaofeng

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Two-Way Shock Sub Type SJ Model “SJ” Two-Way Shock Sub should be mounted on drill string which is near the bit. It can slow or sorbs the longitudinal bounce and peripheral torque impact of drill bit (drill string) simultaneously. It should realize the best fitting of drill pressure and rotation rate as to reduce the drill cost and improve the drilling efficiency. It can be used for the drill-in or coring of hard layer, gravel layer and soft-hard interlayer. Specifications  Model  O.D. mm...


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Rapid Delivery for Flat Junk Mill - Two-Way Shock Sub Type SJ – Gaofeng Detail:

Two-Way Shock Sub Type SJ

Model “SJ” Two-Way Shock Sub should be mounted on drill string which is near the bit. It can slow or sorbs the longitudinal bounce and peripheral torque impact of drill bit (drill string) simultaneously. It should realize the best fitting of drill pressure and rotation rate as to reduce the drill cost and improve the drilling efficiency. It can be used for the drill-in or coring of hard layer, gravel layer and soft-hard interlayer.

Specifications

 Model  O.D.

mm(in)

 I.D.

mm(in)

 Connection   Max working Load kN(lbf) Max working Torgue kN·m(lbf·ft) Max.Drill preessure  kN(lbf)  Max. working stroke

mm(in)

 Rigidity

kN/cm

 Length mm(in)
SJ121 121(4-3/4) 38.1(1-1 /2) NC38 1000(224800) 10(7300) 300(67000) 100(3-15/16) 3.0~5.0 4208(165-5/8)
SJ159 159(6- 1/ 4) 48(1-7/8) NC46 1500(337200) 15(11000) 350(78600) 120(4-3 /4) 5494(216-1/4)
SJ165 165(6-1/2) 48(1-7/8) NC46 1500(337200) 15(11000) 350(78600) 120(4-3/4) 5494(216-1/4)
SJ178 178(7) 57.2(2-1/4) NC50 1500(337000) 15(11000) 350(78600) 120(4-3/4) 5735(225-3/4)
SJ203 203(8) 65(2-1/2) 6 5/8REG 2000(449000) 20(14000) 450(101000) 120(4-3/4) 6080(239-3/8)
SJ229 229(9) 71.4(2-3/4) 7 5/8REG 2000(449000) 20(14000) 540(121000) 140(5-1/2) 6080(239-3/8)
SJ254 254(10) 71.4(2-3/4) 8 5/8REG 2500(562000) 25(18000) 600(134000) 120(4-3/4)
6400(251-15/16)
SJ279 279(11) 76.2(3) 8 5/8REG 3000(674000) 30(22000) 600(134000) 160(6-1/4)
5580(219-11/16)

Product detail pictures:

Rapid Delivery for Flat Junk Mill -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures

Rapid Delivery for Flat Junk Mill -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures

Rapid Delivery for Flat Junk Mill -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures

Rapid Delivery for Flat Junk Mill -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures


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With a sound business credit, excellent after-sales service and modern manufacturing facilities, we have earned an excellent reputation among our customers across the world for Rapid Delivery for Flat Junk Mill - Two-Way Shock Sub Type SJ – Gaofeng , The product will supply to all over the world, such as: Sudan , Lebanon , Houston , Qualified R&D engineer might be there for your consultation service and we will try our best to meet your requirements. So you should feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely present you with the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we'll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we're here to welcome your inquiries for any of our merchandise and service.
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