factory customized Bowen Drilling Jar Type Jx 65d Nc50 - Junk Sub Type LB – Gaofeng

Junk Sub Type LB

Model “LB” Junk Sub an efficient tool used in milling or drilling operation. It is designed to capture cuttings that are too heavy to be circulated in the bottom of the hole.

Specifications

Model      Hole sizemm Cup O.D.mm(in) Diam. Of Boremm (in) Connection    Cup I.Dmm(in)  O.D of Top Connectionmm (in)  O.D of  Under Cupmm (in)
LB102 117.5~ 127 102(4) 31.8(1-1/4) 2-7/8REG 92(3.62) 95(3-3/4) 66.7(2-5/8)
LB114 130.2~149.2 114 (4-1/2) 38.1(1-1/2) 3-1/2REG 106(4.17) 108(4-1/4) 79(3-1/16)
LB127 152.4~161.9 127 (5) 38.1(1-1/2) 3-1/2REG 116(4.57) 108(4-1/4) 82.6(3-1/4)
LB140 165.1~190.5 140 (5-1/2) 38.1(1-1/2) 3-1/2REG 124(4.88) 108(4-1/4) 82.6(3-1/4)
LB168 193.7~215.9 168 (6-5/8) 57.2(2-1/4) 4-1/2REG 151(5.94) 140(5-1/2) 114.3(4-1/2)
LB178 219~244.5 178 (7) 57.2(2-1/4) 4-1/2REG 160(6.3) 140(5-1/2) 114.3(4-1/2)
LB219 244.5 ~288.9 219 (8-5/8) 71.4(2-13/16) 6-5/8REG 202(7.95) 197(7-3/4) 146(5-3/4)
LB245 292.1~330.2 245 (9-5/8) 71.4(2-13/16) 6-5/8REG 217(8.54) 197(7-3/4) 146(5-3/4)