supply of shearing blade , item description , hydraulic shearing machine blades . material : cr12 mov , h13 alloy steel t10 , 9 cr51 6cr w2 si and other high quality high quality nontesting material should have high strength high procision & high service life characteristion hardness: hrc 56 to 60 . - upper supply of shearing blade for roof bolt machine 425mm ( 100x425x25mm , -do-bottom supply of shearing blade for roof bolt machine 425mm ( 100x425x25mm ) , -do-blade for shearing machine for cutting 12mm m . s . plate length 1067 width 100mm thickness 25mm ( 06 nos . in one set for top & bottom ) , -do-supply of shearing blade for cutting 1300x75x25mm ( 4 pcs in one set ) , -do-seal kit fort hyd hose crimping machine . ( 01 complete set )