john hassall, inc. is a leading manufacturer of custom formed and machined metal parts used in aerospace, automotive, general commercial and niniature electronics applications. since 1850, john hassall has successfully combined cold forming and hot forging technologies with precision machining and other secondary operations to create custom designed pins, rivets and threaded fasteners that are stronger, more reliable and less expensive than screw machined parts. john hassall works in lengths of up to 9 and shank diameters ranging from 0.018 up to 0.416. materials utilized include all the various grades of steel, stainless steel, non-ferrous alloys, as well as super alloys such as inconel 718, waspallay, l-6105 cobalt and mp159. john hassall offers a long tradition of unsurpassed price competitiveness at its u.s. manufacturing facility. we also offer convenient access to asian sourcing through strategic partnerships with reliable manufacturing partners in japan and china.third party cer

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