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Manufacturer Jackhammer JIUSHAN China specification: 1.Air pressure:0.4- 0.63MPa 2.Drill bit dia:34-42mm 3.Usage:mine laneway and blasting holes YT28 Weight ≈26kg Length 661mm Cylinder dia 80mm Piston stroke 60mm Air pressure 0.4~0.63MPa Impact frequencey ≥37Hz Air consumption ≤81L/S Air pipe(inner dia) 25mm Water pipe(inner dia) 13mm Drill bit dia 34~42mm Shank dimensions(hex X length) 22×108±1mm/25×108±1mm The function specification that Air pressure …
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