SCREW JACKS : GP-SJLN with lock nut.
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Main body made of S.G.iron duly enamelled.
Main spindle with trapezoidal threads, Made of medium carbon
steel duly heat treated and blackened.
Positive stopper provided to avoid accidental dis-engagement of
spindle during operation.
| Model | H1-H2 | DIA-D1 | Load KN |
| GP-SJLN-60 | 60-80 | 35 | 60 |
| GP-SJLN-85 | 85-115 | 45 | 60 |
| GP-SJLN-120 | 120-160 | 76 | 100 |
| GP-SJLN-160 | 160-220 | 95 | 180 |