{"product_id":"hk-calving-aid-springs-bolts-replacement-spares","title":"HK Calving Aid Springs \u0026 Bolts Replacement Spares","description":"\u003ch2\u003eHK Calving Aid Springs \u0026amp; Bolts - Keep Your Calving Jack Working\u003c\/h2\u003e \u003cp\u003eHK Calving Aid Springs \u0026amp; Bolts is a set of replacement spare parts for HK calving aids, covering the springs and bolts that drive the ratchet and locking action. It is made for dairy and suckler farmers, smallholders and veterinary practices who want to repair a worn calving jack rather than replace the whole unit.\u003c\/p\u003e \u003cp\u003eCalving equipment is used in wet, mucky conditions and stored for months at a time, so springs lose tension and bolts corrode or go missing. Keeping a spare set in the calving box means a five-minute fix on the yard instead of a season-critical delay.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine HK spares\u003c\/strong\u003e - springs and bolts for HK calving aids\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRestores mechanism action\u003c\/strong\u003e - refreshes the ratchet and locking movement on a worn aid\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvoids full replacement\u003c\/strong\u003e - repair the wearing parts and keep the main unit in service\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact to store\u003c\/strong\u003e - sits easily in a calving kit, toolbox or parlour cupboard\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003e farms running their own calving aid through a block calving season\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMade in Germany\u003c\/strong\u003e by HK\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHK\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eCalving Aid Springs \u0026amp; Bolts\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eReplacement spare parts\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eHK calving aids\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eAgrihealth \/ calving equipment\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eCountry of origin\u003c\/th\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eHow to Use\u003c\/h3\u003e \u003col\u003e \u003cli\u003eBefore calving season, lay the calving aid out on a clean surface and inspect the springs and bolts.\u003c\/li\u003e \u003cli\u003eCompare the replacement springs and bolts with the parts already fitted to confirm they match your model.\u003c\/li\u003e \u003cli\u003eRemove the worn or corroded component, noting the orientation of the spring before it comes out.\u003c\/li\u003e \u003cli\u003eFit the replacement part and tighten the bolt securely without over-tightening.\u003c\/li\u003e \u003cli\u003eWork the ratchet and release by hand several times to check the action is smooth and the lock holds.\u003c\/li\u003e \u003cli\u003eWash, dry and store the aid under cover after every use.\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003eBrowse more farm and livestock essentials in our \u003ca href=\"\/collections\/agrihealth\"\u003eAgrihealth collection\u003c\/a\u003e.\u003c\/p\u003e \u003ch3\u003eFAQ\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eWhat are HK Calving Aid Springs \u0026amp; Bolts?\u003c\/strong\u003e\u003cbr\u003eThey are replacement spare parts for HK calving aids - the springs and bolts used in the ratchet and locking mechanism.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWill these fit any calving jack?\u003c\/strong\u003e\u003cbr\u003eThey are intended for HK calving aids. Calving aid designs differ between makes and models, so compare the parts with your existing components before fitting.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow often should springs and bolts be replaced?\u003c\/strong\u003e\u003cbr\u003eThere is no fixed interval. Inspect before each calving season and after heavy use, and replace anything bent, corroded or slow to return under tension.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy does the ratchet slip on my calving aid?\u003c\/strong\u003e\u003cbr\u003eA slipping or sticky ratchet is often caused by a tired spring, a loose bolt or dried-on dirt. Clean the mechanism first, then replace worn springs and bolts.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow should a calving aid be stored?\u003c\/strong\u003e\u003cbr\u003eWash it down after every calving, dry it thoroughly and store it in a dry, covered place. Damp storage is the main cause of corroded bolts and weak springs.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho should use a calving aid?\u003c\/strong\u003e\u003cbr\u003eOnly someone trained in its correct use, applying steady traction in time with the cow. If a calving is not progressing normally, stop and call your vet.\u003c\/p\u003e \u003ch3\u003eAbout HK\u003c\/h3\u003e \u003cp\u003eHK manufactures livestock handling and calving equipment in Germany. The range is built around hard-wearing components and readily available spare parts, so farms can service and repair their equipment rather than replace it.\u003c\/p\u003e \u003cscript type=\"application\/ld+json\"\u003e { \"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [ { \"@type\": \"Question\", \"name\": \"What are HK Calving Aid Springs \u0026 Bolts?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"They are replacement spare parts for HK calving aids - the springs and bolts used in the ratchet and locking mechanism.\" } }, { \"@type\": \"Question\", \"name\": \"Will these fit any calving jack?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"They are intended for HK calving aids. Calving aid designs differ between makes and models, so compare the parts with your existing components before fitting.\" } }, { \"@type\": \"Question\", \"name\": \"How often should springs and bolts be replaced?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"There is no fixed interval. Inspect before each calving season and after heavy use, and replace anything bent, corroded or slow to return under tension.\" } }, { \"@type\": \"Question\", \"name\": \"Why does the ratchet slip on my calving aid?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"A slipping or sticky ratchet is often caused by a tired spring, a loose bolt or dried-on dirt. Clean the mechanism first, then replace worn springs and bolts.\" } }, { \"@type\": \"Question\", \"name\": \"How should a calving aid be stored?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Wash it down after every calving, dry it thoroughly and store it in a dry, covered place. Damp storage is the main cause of corroded bolts and weak springs.\" } }, { \"@type\": \"Question\", \"name\": \"Who should use a calving aid?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Only someone trained in its correct use, applying steady traction in time with the cow. If a calving is not progressing normally, stop and call your vet.\" } } ] } \u003c\/script\u003e","brand":"HK","offers":[{"title":"One Size \/ One Colour","offer_id":58522468876671,"sku":"LIV10251SP133874","price":16.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/6786\/6023\/files\/c6b160aa-43ea-499c-be81-3bc25b795150.jpg?v=1790345435","url":"https:\/\/www.justhorseriders.co.uk\/products\/hk-calving-aid-springs-bolts-replacement-spares","provider":"Just Horse Riders","version":"1.0","type":"link"}