{"product_id":"securpak-machine-screw-and-nut-zp-m4-x-40-pack-of-6","title":"Securpak Machine Screw and Nut ZP, M4 x 40, Pack of 6","description":"\u003cp\u003eSecurpak machine screws and nuts in M4 x 40, zinc plated and sold as a pack of six screws with nuts. The 40mm length gives an M4 fixing more reach, so these suit clamping thicker parts or several layers together.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePack of 6 screws and nuts\u003c\/li\u003e\n\u003cli\u003eM4 thread\u003c\/li\u003e\n\u003cli\u003e40mm long\u003c\/li\u003e\n\u003cli\u003eZinc plated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSecurpak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eZinc plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich one do I need?\u003c\/h3\u003e\u003cp\u003eM4 is the thread diameter, so pair these with M4 nuts or an M4 tapped hole. Choose the 40mm length when shorter M4 screws will not pass through everything you are joining. Add the thickness of all the parts together, then check enough thread will stick out for the nut to grip fully.\u003c\/p\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eLine up the holes in the parts; they must pass an M4 thread.\u003c\/li\u003e\n\u003cli\u003eInsert the screw from the side where the head will sit flat.\u003c\/li\u003e\n\u003cli\u003eFit a washer under the nut if the material is soft or thin.\u003c\/li\u003e\n\u003cli\u003eRun the nut on by hand, then tighten with a screwdriver while holding the nut.\u003c\/li\u003e\n\u003cli\u003eDo not overtighten, especially on plastic parts.\u003c\/li\u003e\n\u003cli\u003eCheck the joint again once it has been in use for a while and nip up the nut if needed.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch4\u003eWhat size are these machine screws and nuts?\u003c\/h4\u003e\u003cp\u003eThey are M4 thread, 40mm long.\u003c\/p\u003e\u003ch4\u003eHow many come in a pack?\u003c\/h4\u003e\u003cp\u003eThere are six screws, each with a nut.\u003c\/p\u003e\u003ch4\u003eWhat finish do they have?\u003c\/h4\u003e\u003cp\u003eThey are zinc plated, shown as ZP in the product name, which gives a bright finish to both screws and nuts.\u003c\/p\u003e","brand":"Securpak","offers":[{"title":"Default Title","offer_id":67824393748753,"sku":"DS-1270850","price":0.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/7323\/0097\/files\/securpak-machine-screw-and-nut-zp-m4-x-40-pack-of-6-1.jpg?v=1792514073","url":"https:\/\/diysmith.co.uk\/products\/securpak-machine-screw-and-nut-zp-m4-x-40-pack-of-6","provider":"DIYSmith","version":"1.0","type":"link"}