{"product_id":"slotted-countersunk-head-machine-screws-din-963-stainless-steel-grade-18-8-3-a4-316-m3-x-5-mm","title":"Slotted Countersunk Head Machine Screws DIN 963, Stainless Steel, Grade 18\/8\/3 - (A4) 316, M3 x 5 MM","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eDIN 963 defines a slotted countersunk machine screw with a flat head designed to sit flush in a countersunk hole. The standard controls the head angle, slot form, thread and dimensional proportions so the screw can be used consistently in light mechanical and panel assemblies.\u003c\/p\u003e\u003cp\u003eThis selected size is specified with diameter M3, length 5 mm, thread M3, pitch 0.5 mm.\u003c\/p\u003e\u003cp\u003eSold in multiples of '200 pieces. 1 Box = '200 pieces.\u003c\/p\u003e\u003ch3\u003eMaterial, Grade \u0026amp; Strength\u003c\/h3\u003e\u003cp\u003eA4 stainless steel, commonly associated with 316 stainless, is selected for improved corrosion resistance in coastal, chemical and harsh outdoor environments.\u003c\/p\u003e\u003ch3\u003eFinish \u0026amp; Corrosion Protection\u003c\/h3\u003e\u003cp\u003eCorrosion resistance is provided by the stainless material itself rather than a plated coating.\u003c\/p\u003e\u003ch3\u003eTypical Uses\u003c\/h3\u003e\u003cp\u003eDIN 963 countersunk slotted machine screws are used in panels, covers, electrical assemblies, light engineering, fixtures and applications where a flush surface is required with a simple flat screwdriver drive.\u003c\/p\u003e\u003ch3\u003eTechnical Tips\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUse a correctly formed countersink so the head seats evenly and does not stand proud.\u003c\/li\u003e\n\u003cli\u003eAvoid over-tightening slotted screws as the drive can cam out or damage the slot.\u003c\/li\u003e\n\u003cli\u003eUse with a tapped hole or matching nut of the same thread size.\u003c\/li\u003e\n\u003cli\u003eChoose stainless steel where corrosion resistance is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhen should a countersunk screw be used?\u003c\/strong\u003e Use countersunk screws where the head must sit flush with the surface or where a protruding head would interfere with movement or appearance.\u003c\/p\u003e\n\u003c!-- SM-SPEC START --\u003e\n\u003cdiv class=\"screwman-description screwman-spec-block\" data-standard=\"DIN 963\" data-size=\"M3 x 5\"\u003e\n\u003ch3\u003eDimensions – DIN 963 \/ ISO 2009 M3 x 5\u003c\/h3\u003e\n\u003ctable class=\"screwman-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eDIN 963 \/ ISO 2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eSlotted countersunk machine screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread\u003c\/th\u003e\n\u003ctd\u003eM3 x 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength (l)\u003c\/th\u003e\n\u003ctd\u003e5 mm (overall)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead diameter (dk)\u003c\/th\u003e\n\u003ctd\u003e5.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead height (k)\u003c\/th\u003e\n\u003ctd\u003e1.65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight (calculated)\u003c\/th\u003e\n\u003ctd\u003e0.34 kg per 1 000 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterial, Grade \u0026amp; Strength\u003c\/h3\u003e\n\u003ctable class=\"screwman-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless steel A4 (316)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSteel grade\u003c\/th\u003e\n\u003ctd\u003eAISI 316 (1.4401)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eC max 0.07%, Cr 16.5-18.5%, Ni 10.0-13.0%, Mo 2.0-2.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty class\u003c\/th\u003e\n\u003ctd\u003eA4-70 (ISO 3506) unless marked -80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile strength Rm (min)\u003c\/th\u003e\n\u003ctd\u003e700 MPa (class 70), 800 MPa (class 80)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYield Rp0.2 (min)\u003c\/th\u003e\n\u003ctd\u003e450 MPa (class 70), 600 MPa (class 80)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical use\u003c\/th\u003e\n\u003ctd\u003emarine, coastal, chlorides, chemical plant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFinish \u0026amp; Corrosion Protection\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePlain \/ self colour:\u003c\/strong\u003e No applied coating. Stainless, brass and nylon parts are supplied plain; plain steel parts need oil, paint or protected environments.\u003c\/p\u003e\n\u003cdetails class=\"sm-spec-datasheet\"\u003e\u003csummary\u003eDIN 963 data sheet – all sizes\u003c\/summary\u003e\n\u003ctable class=\"screwman-spec-table screwman-datasheet-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eThread\u003c\/th\u003e\n\u003cth\u003eHead diameter (dk)\u003c\/th\u003e\n\u003cth\u003eHead height (k)\u003c\/th\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eM2 x 0.4\u003c\/td\u003e\n\u003ctd\u003e3.8 mm\u003c\/td\u003e\n\u003ctd\u003e1.2 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003eM2.5 x 0.45\u003c\/td\u003e\n\u003ctd\u003e4.7 mm\u003c\/td\u003e\n\u003ctd\u003e1.5 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"screwman-current-size\"\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eM3 x 0.5\u003c\/td\u003e\n\u003ctd\u003e5.6 mm\u003c\/td\u003e\n\u003ctd\u003e1.65 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3.5\u003c\/td\u003e\n\u003ctd\u003eM3.5 x 0.6\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003ctd\u003e1.93 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eM4 x 0.7\u003c\/td\u003e\n\u003ctd\u003e7.5 mm\u003c\/td\u003e\n\u003ctd\u003e2.2 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003eM5 x 0.8\u003c\/td\u003e\n\u003ctd\u003e9.2 mm\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003eM6 x 1\u003c\/td\u003e\n\u003ctd\u003e11 mm\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003eM8 x 1.25\u003c\/td\u003e\n\u003ctd\u003e14.5 mm\u003c\/td\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003eM10 x 1.5\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003ctd\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/details\u003e\n\u003cp class=\"screwman-spec-note\"\u003e\u003csmall\u003eNominal dimensions per DIN 963 \/ ISO 2009. Weights are calculated from nominal dimensions and are a guide only (±10%). Values for fit and strength should be confirmed against the standard for critical applications.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SM-SPEC END --\u003e","brand":"Screwman","offers":[{"title":"Default Title","offer_id":68087989141655,"sku":"MSCSA435H","price":0.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/4875\/0576\/files\/963_A2_4ccc086e-73b7-4509-9024-8fe9d79b2048.jpg?v=1792342822","url":"https:\/\/screwman.co.za\/products\/slotted-countersunk-head-machine-screws-din-963-stainless-steel-grade-18-8-3-a4-316-m3-x-5-mm","provider":"Screwman","version":"1.0","type":"link"}