{"product_id":"unc-10-24-socket-screw-countersunk-high-tensile-s-10-9-bs-2470","title":"UNC 10\/24 Socket Screw Countersunk High Tensile 10.9 DIN7991","description":"\u003ch2\u003e\u003cspan\u003e\u003cstrong\u003eUNC 10 (24 T.P.I.), Coarse Pitch, High Tensile (Grade 'S'\/ 10.9), Self Colour. Allen (hexagon) Socket, Countersunk Head, Allen Screw\/ Bolt, ISO 10642, B18.3, BS 2470\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFixaball \u003c\/strong\u003esells all lengths of 10\/24, UNC socket countersunk, 10.9 Grade. High Tensile fasteners.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSocket Countersunk Screws\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan\u003ecome as 'sets' and 'bolts'. The, ‘SET’, term is used to describe a fastener that is fully threaded. Over \u003c\/span\u003e\u003cspan\u003ea certain length (around 2.5 x the diameter) the\u003c\/span\u003e\u003cspan\u003e length the fastener will have a, 'shoulder,' or unthreaded area under the head (plain shank). This space of unthreaded area confirms that the fastener is now a bolt (\u003c\/span\u003e\u003cspan\u003esocket countersunk\u003c\/span\u003e\u003cspan\u003e bolt in this case) and is shouldered. Some people might simply call them \u003c\/span\u003e\u003cspan\u003esocket a\u003c\/span\u003e\u003cspan\u003ellan bolts,' in association with the Allen, Hexagonal Key which is used to tighten and loosen the fastener. So, ‘Socket,’ refers to the hexagon shaped indentation found on the top of the fasteners’ head.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eHow to measure a countersunk fixing\/ fastener\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/span\u003eThe length of a countersunk fixing\/ fastener is always from tip to the top.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOrders placed before 2pm are dispatched \u003cstrong data-mce-fragment=\"1\"\u003esame day (Mon-Fri).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eStandard, Free Delivery is Royal Mail, 2nd Class (2-5 days, most likely 2 days). For a faster delivery time, select 1st class or courier at checkout. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003ePlease make your, '\u003cstrong\u003eNo. of Items in Pack\u003c\/strong\u003e', '\u003cstrong\u003eLength\u003c\/strong\u003e', and pack '\u003cstrong\u003eQuantity\u003c\/strong\u003e' selection from the drop down menus.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eUNC\u003cspan\u003e \u003c\/span\u003e10\/24, Countersunk Head, Socket Screw\/ Allen Bolt Lengths Available\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFT - Fully Threaded\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePT - Partially Threaded\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable cellspacing=\"0\" border=\"0\"\u003e\n\u003ccolgroup width=\"176\"\u003e\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x1\/4\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x5\/16\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x7\/16\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x3\/4\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x7\/8\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x1\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x1 1\/4\",(FT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x1 1\/2\",(PT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x1 3\/4\",(PT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"21\" align=\"left\"\u003e#10-24x2\",(PT) SOCKET COUNTERSUNK HEAD SCREWS UNC ALLOY SELF COLOUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaterial\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable data-mce-fragment=\"1\" width=\"621\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"103\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaterial\/ Finish\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"157\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eAppearance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"132\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLevel of Corrosion Resistance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eTypical Application\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"103\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHigh Tensile Steel (10.9)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"157\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSelf-Colour (black with no surface treatment)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"132\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eLow, without further surface treatment\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e· No exposure to moisture\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e· Often Greased\/ Oiled\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eUNIFIED THREAD STANDARDS  \u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe basic American standards for fastening screw threads as agreed upon by standard bodies of Canada, the United Kingdom, and the United States. They are a complete and integrated system of threads for fastening purposes. Their outstanding characteristic is general interchangeability of threads achieved through the standardization of thread form, diameter-pitch combinations, and limits of size\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnified National (UN) \u003c\/strong\u003ethread form with a rounded root contour, applies only to external threads. (The UN thread form has a flat, or optionally, a rounded root contour.) The majority of fasteners with a Unified thread form (UNC UNF) have a rounded root contour i.e. are UNR threads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnified National Coarse (UNC) \u003c\/strong\u003eis a thread form with a 60 degree flank angle rounded roots and flat crests. For a given diameter it has a larger thread pitch than an equivalent diameter UNF thread. The unified thread is based on inch sizes and was first standardised in 1948 unifying the Whitworth and American standard thread forms.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eImage is for illustrative purposes only.\u003c\/strong\u003e\u003c\/p\u003e","brand":"UNC - Countersunk Socket","offers":[{"title":"4 \/ 1\/4\"","offer_id":40215328424045,"sku":"UN41SU67563ball","price":4.43,"currency_code":"GBP","in_stock":true},{"title":"4 \/ 3\/4\"","offer_id":40215331799149,"sku":"UN43SU67564ball","price":4.9,"currency_code":"GBP","in_stock":true},{"title":"4 \/ 1\"","offer_id":40215331831917,"sku":"UN41SU67565ball","price":4.94,"currency_code":"GBP","in_stock":true},{"title":"4 \/ 1.1\/4\"","offer_id":40215331864685,"sku":"UN41SU67566ball","price":4.72,"currency_code":"GBP","in_stock":true},{"title":"4 \/ 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