{"title":"► Macsim | STST Countersunk Heads","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eStainless Steel Countersunk Bolts for Structural \u0026amp; Marine Construction \u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eIn coastal \u0026amp; exposed structural environments, corrosion failure is not an option\u003c\/strong\u003e.\u003c\/span\u003e\u003cspan\u003e Macsim | STST Countersunk Heads are engineered as stainless steel countersunk bolts designed for flush structural fastening across marine construction, architectural steel \u0026amp; exterior commercial builds throughout Australia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWhen specifying stainless steel countersunk bolts Australia, contractors working with \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/structural-fasteners-bolts\" target=\"_blank\" rel=\"noopener\"\u003e\u003cem\u003e\u003cstrong\u003eStructural Fasteners \u0026amp; Bolts\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e rely on STST countersunk heads for corrosion-resistant clamp load without surface protrusion. Builders assembling external steel frameworks within \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/macsim-steel-frame-tms\" target=\"_blank\" rel=\"noopener\"\u003e\u003cem\u003e\u003cstrong\u003eSteel Frames\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e applications require flush stainless steel bolting where plate alignment \u0026amp; surface clearance are critical. Installers working across \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/roofing-materials-sealants\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003eRoofing Materials \u0026amp; Sealants\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e environments specify stainless countersunk bolts to reduce rust development at exposed penetration points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFabricators machining steel plates using \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/metal-cutting-grinding-tools\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003eMetal Cutting \u0026amp; Grinding Tools\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e depend on precision countersink preparation for accurate stainless bolt seating. Crews aligning façade panels with \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/measuring-leveling-tools\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003eMeasuring \u0026amp; Leveling Tools\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e require consistent flush mounting across visible structural steel. Infrastructure teams operating in demanding \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/construction-site-wear\" target=\"_blank\" rel=\"noopener\"\u003e\u003cem\u003e\u003cstrong\u003eConstruction \u0026amp; Site Wear\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e conditions benefit from marine-grade stainless steel countersunk bolts engineered for Australian weather. Maintenance specialists servicing assemblies integrated with \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/hydraulic-equipment\" target=\"_blank\" rel=\"noopener\"\u003e\u003cem\u003e\u003cstrong\u003eHydraulic Equipment\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e require corrosion-resistant structural bolts in vibration-prone environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMacsim STST Countersunk Heads are manufactured from stainless steel engineered for high corrosion resistance in coastal, industrial \u0026amp; high-moisture conditions. The angled countersunk head design ensures flush integration into pre-machined steel plates. Precision metric threads deliver secure engagement with compatible nuts, maintaining structural clamp force across stainless steel bolting systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFlush stainless structural fastening built for Australian conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat’s in This Collection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Stainless steel countersunk bolts\u003cbr\u003e‣ Flush structural fastening with corrosion resistance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Marine-grade STST stainless construction\u003cbr\u003e‣ Designed for coastal \u0026amp; salt-exposed environments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Precision angled countersunk head\u003cbr\u003e‣ Smooth surface integration in steel plates\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► High tensile stainless variants\u003cbr\u003e‣ Suitable for structural steel assemblies\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Corrosion-resistant finish\u003cbr\u003e‣ Prevents rust staining on exposed steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Metric thread compatibility\u003cbr\u003e‣ Matches standard structural nuts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Flush architectural bolting\u003cbr\u003e‣ Ideal for façade \u0026amp; plate assemblies\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Trade-volume packaging\u003cbr\u003e ‣ Built for commercial \u0026amp; marine construction\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"macsim-3-2x3-2-all-stainlesscskrivt-28stst42c","title":"Macsim - 3.2x3.2 All StainlessCSKRivt | 28STST42C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472519692577,"sku":"28STST42C","price":161.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_d8742204-b49d-452d-9921-36f6f5aa675d.jpg?v=1752940469"},{"product_id":"macsim-3-2x4-8-all-stainlesscskrivt-28stst43c","title":"Macsim - 3.2x4.8 All StainlessCSKRivt | 28STST43C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472519790881,"sku":"28STST43C","price":117.12,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_8d2a787a-b689-4691-ad69-cbfe47104fef.jpg?v=1752940469"},{"product_id":"macsim-3-2x6-4-all-stainlesscskrivt-28stst44c","title":"Macsim - 3.2x6.4 All StainlessCSKRivt | 28STST44C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472519889185,"sku":"28STST44C","price":169.28,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_b6e7a8f8-ee4c-4127-81b1-7dea34821073.jpg?v=1752940469"},{"product_id":"macsim-4-0x6-4-all-stainlesscskrivt-28stst54c","title":"Macsim - 4.0x6.4 All StainlessCSKRivt | 28STST54C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472520216865,"sku":"28STST54C","price":180.88,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_81c1434e-1e2f-4fe8-8a07-8aba9923c977.jpg?v=1752940470"},{"product_id":"macsim-5-0x6-4-all-stainless-csk-rivt-28stst64c","title":"Macsim - 5.0x6.4 All Stainless CSK Rivt | 28STST64C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472520577313,"sku":"28STST64C","price":143.62,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_890d27c3-9ca8-4123-9b1f-99f6e8230b9b.jpg?v=1752940470"},{"product_id":"macsim-5-0x9-6-all-stainless-csk-rivt-28stst66c","title":"Macsim - 5.0x9.6 All Stainless CSK Rivt | 28STST66C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472520741153,"sku":"28STST66C","price":144.72,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_a3d377f5-0156-492c-9efb-d5f4057ff5c5.jpg?v=1752940471"},{"product_id":"macsim-stst4-4-cskrivet-clam-pack100-29stst44c","title":"Macsim - STSt4-4 CSKRivet Clam Pack100 | 29STST44C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472529326369,"sku":"29STST44C","price":20.58,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_026d73a3-3f71-46c5-9904-c6f31fa580a0.jpg?v=1752940490"},{"product_id":"macsim-stst6-6-cskrivet-clam-pack-29stst66c","title":"Macsim - STSt6-6 CSKRivet - Clam Pack | 29STST66C","description":"","brand":"Macsim","offers":[{"title":"Default Title","offer_id":51472529817889,"sku":"29STST66C","price":23.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/macsim_66c1481b-6138-4417-a7cc-4eb04c41fe0a.jpg?v=1752940490"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/collections\/Untitled_design_73_f3305be2-a536-4642-b71f-ed60c13a8030.png?v=1754445667","url":"https:\/\/www.industrialshed.net.au\/collections\/macsim-stst-countersunk-head.oembed","provider":"Industrial Shed","version":"1.0","type":"link"}