{"product_id":"hollo-bolt-expansion-bolts-for-structural-steel","title":"Hollo-Bolt® (Hex Head JS500)","description":"\u003cp\u003eHollo-Bolt expansion bolts for structural steel are engineered specifically for single-sided connections into Structural Hollow Sections where traditional methods such as through-bolting or welding are not feasible. With the hex head JS500 design, these bolts deliver a High Clamping Force performance, making them an essential choice for structural steel applications that require blind fixing capability in confined spaces.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-sided installation – no access is required to the reverse face, simplifying the connection process.\u003c\/li\u003e\n\u003cli\u003eThe High Clamping Force mechanism ensures reliable and consistent performance.\u003c\/li\u003e\n\u003cli\u003eSuitable for various M16 and M20 applications, especially in demanding structural work.\u003c\/li\u003e\n\u003cli\u003eInstallation is torque-controlled and can be performed using standard wrenches, enhancing usability.\u003c\/li\u003e\n\u003cli\u003eTested to withstand fire exposure for up to 120 minutes, adhering to ISO 834 standards.\u003c\/li\u003e\n\u003cli\u003eThis design significantly reduces construction time and labor costs compared to welding or traditional bolting methods.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Hollo-Bolt expansion bolts are primarily used in structural steelwork connections across various projects including commercial buildings, infrastructure developments, refurbishment work, and fabrication scenarios where access is limited to one side. They are particularly valuable for efficiently connecting beams, bracing, and secondary members to hollow sections during the assembly and installation phases.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach expansion bolt is designed with a hex head drive intended for installation into pre-drilled holes within hollow sections. Specific material and finish specifications can be made available upon request. For detailed load data, installation guidance, or technical documentation, potential customers should reach out to our sales team.\u003c\/p\u003e","brand":"West Midlands Fasteners","offers":[{"title":"M08 Size 1","offer_id":48284517892441,"sku":"HB08-1","price":6.94,"currency_code":"GBP","in_stock":true},{"title":"M08 Size 2","offer_id":48284517925209,"sku":"HB08-2","price":10.03,"currency_code":"GBP","in_stock":true},{"title":"M08 Size 3","offer_id":48284517957977,"sku":"HB08-3","price":10.82,"currency_code":"GBP","in_stock":true},{"title":"M10 Size 1","offer_id":48284517990745,"sku":"HB10-1","price":8.68,"currency_code":"GBP","in_stock":true},{"title":"M10 Size 2","offer_id":48284518023513,"sku":"HB10-2","price":10.82,"currency_code":"GBP","in_stock":true},{"title":"M10 Size 3","offer_id":48284518056281,"sku":"HB10-3","price":12.64,"currency_code":"GBP","in_stock":true},{"title":"M12 Size 1","offer_id":48284518089049,"sku":"HB12-1","price":10.55,"currency_code":"GBP","in_stock":true},{"title":"M12 Size 2","offer_id":48284518121817,"sku":"HB12-2","price":13.59,"currency_code":"GBP","in_stock":true},{"title":"M12 Size 3","offer_id":48284518154585,"sku":"HB12-3","price":15.19,"currency_code":"GBP","in_stock":true},{"title":"M16 Size 1","offer_id":48284518187353,"sku":"HB16-1","price":14.01,"currency_code":"GBP","in_stock":true},{"title":"M16 Size 2","offer_id":48284518220121,"sku":"HB16-2","price":15.8,"currency_code":"GBP","in_stock":true},{"title":"M16 Size 3","offer_id":48284518252889,"sku":"HB16-3","price":18.87,"currency_code":"GBP","in_stock":true},{"title":"M20 Size 1","offer_id":48284518285657,"sku":"HB20-1","price":29.34,"currency_code":"GBP","in_stock":true},{"title":"M20 Size 2","offer_id":48284518318425,"sku":"HB20-2","price":35.29,"currency_code":"GBP","in_stock":true},{"title":"M20 Size 3","offer_id":48284518351193,"sku":"HB20-3","price":37.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/4893\/2441\/files\/a6c6856b-b19b-4d66-b62e-ee8644d71eff.jpg?v=1718359854","url":"https:\/\/www.westmidlandsfastenershop.co.uk\/products\/hollo-bolt-expansion-bolts-for-structural-steel","provider":"West Midlands Fasteners","version":"1.0","type":"link"}