{"title":"Grade 2 Phillips Pan External Sems Machine Screws","description":"\u003cp\u003ePhillips Pan External Sems machine screws essentially have a ‘pre-assembled’ lock washer beneath the head of the screw which is free-spinning which saves time. External Tooth SEMS screws provide greater torsional resistance than internal tooth lock washers.\u003c\/p\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/2495\/9766\/collections\/PPHMS_EXTWSR.jpg?v=1781810646","url":"https:\/\/fastenershack.com\/collections\/grade-2-phillips-pan-external-sems-machine-screws.oembed","provider":"FastenerShack.com","version":"1.0","type":"link"}