{"product_id":"m6-x-24mm-extractable-dowel-pin-hard-ground-din-7979d","title":"6mm (M4) x 24mm Extractable Dowel Pin, Metric, Hardened \u0026 Ground Steel, Self-Colour, DIN 7979D","description":"\u003ch2\u003e\u003cstrong\u003ePrecision Alignment Pins with Internal Thread for Easy Removal\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eHardwearing extractable dowel pin, a precision-engineered locating pin ideal for accurate positioning and locating of parts. Primarily used in mould making, jigs, fixtures, and machinery.\u003c\/p\u003e\n\u003cp\u003eManufactured from hardened and ground alloy steel, these dowel pins offer exceptional dimensional accuracy, wear resistance, and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eUnlike standard dowel pins, the extractable dowels are designed with an internal threaded hole. This allows easy removal using a screw or extraction tool.\u003c\/p\u003e\n\u003cp\u003eThis makes the dowel pin ideal for situations where periodic maintenance and dismantling is required, along with easy replacement of the dowel if needed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eExtractable Dowel Pin Key Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision ground for accurate location\u003c\/strong\u003e - These dowel pins are manufactured to extremely tight tolerances, ensuring precise positioning and repeatable assembly alignment.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened alloy steel construction\u003c\/strong\u003e - Manufactured from hardened alloy steel and precision ground to specification.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal thread for easy extraction\u003c\/strong\u003e - Manufactured with a threaded extraction hole for easy removal using a screw or extraction tool.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN 7979D Standard Compliance\u003c\/strong\u003e - Manufactured in accordance with DIN 7979D specifications.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003em6 Tolerance Fit\u003c\/strong\u003e - DIN 7979D extractable dowel pins are typically supplied with an \u003cbr\u003eM6 interference fit tolerance, providing secure and accurate location within reamed holes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eExtractable dowel pins technical specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter (D)\u003c\/strong\u003e: 6mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal thread diameter (TD)\u003c\/strong\u003e: M4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength (L)\u003c\/strong\u003e: 24mm\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(C)\u003c\/strong\u003e 2.1mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal thread depth (ITD)\u003c\/strong\u003e: 6mm min\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Hardened \u0026amp; ground alloy steel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: Approx. HRC 57-63\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance\u003c\/strong\u003e: m6\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature\u003c\/strong\u003e: Internal threaded extraction hole\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Precision ground\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Alignment \u0026amp; location\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eExtractable Dowel Pins Frequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is an extractable dowel pin?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn extractable dowel pin is a locating pin that includes an internal threaded hole, allowing easy removal using a screw or extraction tool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between DIN 7979D and a standard dowel pin?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard dowel pin is usually solid with no extraction feature, whereas DIN 7979D dowel pins are manufactured with an internal thread.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are extractable dowel pins used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExtractible dowl pins are used for accurately locating and aligning components within machinery, tooling, jigs, fixtures, and precision engineering assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are dowel pins hardened and ground?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHardening improves wear resistance and strength, while precision grinding ensures accurate dimensions and tight tolerances for reliable alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does m6 tolerance mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe m6 tolerance creates an interference fit, allowing the dowel pin to be securely installed into a correctly sized reamed hole for precise location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are extractable dowel pins removed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA suitable screw or extraction tool is threaded into the internal threaded hole, allowing the pin to be pulled out without damaging surrounding components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre DIN 7979D dowel pins reusable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn many applications, yes, provided they have not been damaged during removal and still meet tolerance requirements, they can often be reused. \u003cbr\u003e\u003c\/p\u003e","brand":"Fusion Fixings","offers":[{"title":"Qty Price Break - 1","offer_id":42121598730293,"sku":"EHGDP-MSC-0624","price":0.86,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 10","offer_id":42121598795829,"sku":"EHGDP-MSC-0624","price":0.54,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 25","offer_id":42121598828597,"sku":"EHGDP-MSC-0624","price":0.38,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 50","offer_id":42121598861365,"sku":"EHGDP-MSC-0624","price":0.3,"currency_code":"GBP","in_stock":true},{"title":"Qty Price Break - 100","offer_id":42121598894133,"sku":"EHGDP-MSC-0624","price":0.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/6090\/6293\/files\/Metric_20Extractable_07684a38-d6c8-4b9a-863e-9c8eca5da90c.png?v=1697858378","url":"https:\/\/www.fusionfixings.co.uk\/products\/m6-x-24mm-extractable-dowel-pin-hard-ground-din-7979d","provider":"Fusion Fixings","version":"1.0","type":"link"}