{"title":"Heavy Duty Self-Drilling Screws","description":"\u003cp\u003eOur heavy duty self-drilling screws for metal are designed for fastening into thicker steel sections where standard \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/self-drilling-screws\"\u003eself-drilling screws\u003c\/a\u003e or \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/stainless-steel-tek-5-screws\"\u003eTEK 5 screws\u003c\/a\u003e would struggle.\u003c\/p\u003e\n\u003cp\u003eFeaturing drill points from TEK 7 upwards, and fine threads designed for engagement in metal, these screws can drill and tap into steel in a single operation. This saves time on site without the need for separate pilot holes when used within their rated drilling capacity.\u003c\/p\u003e\n\u003ch2\u003eWhy Use Heavy Duty Self-Drilling Screws?\u003c\/h2\u003e\n\u003cp\u003eHeavy duty self-drilling metal screws are built for demanding steel-to-steel connections. Their hardened drilling points penetrate thicker material, while the threaded shank provides a secure fixing once installed.\u003c\/p\u003e\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eHeavy duty self-drilling screws are commonly used for:\u003c\/p\u003e\n\u003cp\u003e- Steel framing and structural steelwork connections\u003cbr\u003e- Fixing brackets and components to steel beams or columns\u003cbr\u003e- Industrial fabrication and metal assemblies\u003cbr\u003e- Steel building construction and installation\u003cbr\u003e- Attaching metal fittings to heavy-gauge steel sections\u003c\/p\u003e","products":[{"product_id":"5-5-x-50mm-supertek-7-heavy-duty-self-drilling-metal-screws","title":"5.5 x 50mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)","description":"\u003ch2\u003e5.5 x 50mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFixabolt SKU: FB-TSHW5.5-50-7\u003c\/li\u003e\n\u003cli\u003eSize: 5.5 x 50mm\u003c\/li\u003e\n\u003cli\u003eRange: Evolution SuperTEK 7\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex head, 5\/16\" (8mm across flats)\u003c\/li\u003e\n\u003cli\u003eDrill Point: TEK 7 spiral drill point\u003c\/li\u003e\n\u003cli\u003eThread: Fine, 24 TPI, V-fluted\u003c\/li\u003e\n\u003cli\u003eThread Length: Fully threaded (supplier specification)\u003c\/li\u003e\n\u003cli\u003eMaterial: AISI C1022 carbon steel\u003c\/li\u003e\n\u003cli\u003eCoating: EvoShield 1000hr rated\u003c\/li\u003e\n\u003cli\u003eSteel Drilling Capacity: 4.0 to 18.0mm (conservative manufacturer range)\u003c\/li\u003e\n\u003cli\u003eBox Quantity: 100 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese 5.5 x 50mm SuperTEK 7 heavy-duty self-drilling metal screws are designed for steel-to-steel fixing in heavy-gauge sections. The TEK 7 spiral drill point allows drilling and fastening in suitable steel without a separate pre-drilling operation.\u003c\/p\u003e\n\u003cp\u003eThe fine 24 TPI V-fluted thread is designed for engagement in steel, and the hex head provides positive drive with a suitable 8mm socket. The 1000hr-rated EvoShield coating offers protection for the carbon-steel fastener.\u003c\/p\u003e\n\u003cp\u003eThe 50mm product has a fully threaded section according to the Evolution technical datasheet.\u003c\/p\u003e\n\u003cp\u003eThis version is supplied without a \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/epdm-bonded-sealing-washers\"\u003ebonded sealing washer\u003c\/a\u003e. It suits applications such as brackets, framing components and steel-to-steel connections where a separate weather-sealing washer is not required. For demanding structural connections, verify design requirements and installation conditions.\u003c\/p\u003e\n\u003cp\u003eSee our range of \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-screws\"\u003eheavy duty self-drilling screws\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fixabolt","offers":[{"title":"Default Title","offer_id":59113699311999,"sku":"FB-TSHW5.5-50-7","price":41.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/files\/5.5x50mmHeavyDutyDrillingScrew_TEK7SuperTEK.webp?v=1794178728"},{"product_id":"5-5-x-75mm-supertek-7-heavy-duty-self-drilling-metal-screws","title":"5.5 x 75mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)","description":"\u003ch2\u003e5.5 x 75mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFixabolt SKU: FB-TSHW5.5-75-7\u003c\/li\u003e\n\u003cli\u003eSize: 5.5 x 75mm\u003c\/li\u003e\n\u003cli\u003eRange: Evolution SuperTEK 7\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex head, 5\/16\" (8mm across flats)\u003c\/li\u003e\n\u003cli\u003eDrill Point: TEK 7 spiral drill point\u003c\/li\u003e\n\u003cli\u003eThread: Fine, 24 TPI, V-fluted\u003c\/li\u003e\n\u003cli\u003eThread Length: Fully threaded (supplier specification)\u003c\/li\u003e\n\u003cli\u003eMaterial: AISI C1022 carbon steel\u003c\/li\u003e\n\u003cli\u003eCoating: EvoShield 1000hr rated\u003c\/li\u003e\n\u003cli\u003eSteel Drilling Capacity: 4.0 to 18.0mm (conservative manufacturer range)\u003c\/li\u003e\n\u003cli\u003eBox Quantity: 100 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese 5.5 x 75mm SuperTEK 7 heavy-duty self-drilling metal screws are designed for steel-to-steel fixing in heavy-gauge sections. The TEK 7 spiral drill point allows drilling and fastening in suitable steel without a separate pre-drilling operation.\u003c\/p\u003e\n\u003cp\u003eThe fine 24 TPI V-fluted thread is designed for engagement in steel, and the hex head provides positive drive with a suitable 8mm socket. The 1000hr-rated EvoShield coating offers protection for the carbon-steel fastener.\u003c\/p\u003e\n\u003cp\u003eThe 75mm product has a fully threaded section according to the Evolution technical datasheet.\u003c\/p\u003e\n\u003cp\u003eThis version is supplied without a \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/epdm-bonded-sealing-washers\"\u003ebonded sealing washer\u003c\/a\u003e. It suits applications such as brackets, framing components and steel-to-steel connections where a separate weather-sealing washer is not required. For demanding structural connections, verify design requirements and installation conditions.\u003c\/p\u003e\n\u003cp\u003eSee our range of \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-screws\"\u003eheavy duty self-drilling metal screws\u003c\/a\u003e\u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-metal-screws\"\u003e\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fixabolt","offers":[{"title":"Default Title","offer_id":59113699410303,"sku":"FB-TSHW5.5-75-7","price":54.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/files\/5.5x75mmHeavyDutyDrillingScrew_TEK7SuperTEK.webp?v=1794178758"},{"product_id":"5-5-x-100mm-supertek-7-heavy-duty-self-drilling-metal-screws","title":"5.5 x 100mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)","description":"\u003ch2\u003e5.5 x 100mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFixabolt SKU: FB-TSHW5.5-100-7\u003c\/li\u003e\n\u003cli\u003eSize: 5.5 x 100mm\u003c\/li\u003e\n\u003cli\u003eRange: Evolution SuperTEK 7\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex head, 5\/16\" (8mm across flats)\u003c\/li\u003e\n\u003cli\u003eDrill Point: TEK 7 spiral drill point\u003c\/li\u003e\n\u003cli\u003eThread: Fine, 24 TPI, V-fluted\u003c\/li\u003e\n\u003cli\u003eThread Length: Fully threaded (supplier specification)\u003c\/li\u003e\n\u003cli\u003eMaterial: AISI C1022 carbon steel\u003c\/li\u003e\n\u003cli\u003eCoating: EvoShield 1000hr rated\u003c\/li\u003e\n\u003cli\u003eSteel Drilling Capacity: 4.0 to 18.0mm (conservative manufacturer range)\u003c\/li\u003e\n\u003cli\u003eBox Quantity: 100 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese 5.5 x 100mm SuperTEK 7 heavy-duty self-drilling metal screws are designed for steel-to-steel fixing in heavy-gauge sections. The TEK 7 spiral drill point allows drilling and fastening in suitable steel without a separate pre-drilling operation.\u003c\/p\u003e\n\u003cp\u003eThe fine 24 TPI V-fluted thread is designed for engagement in steel, and the hex head provides positive drive with a suitable 8mm socket. The 1000hr-rated EvoShield coating offers protection for the carbon-steel fastener.\u003c\/p\u003e\n\u003cp\u003eThe 100mm product has a fully threaded section according to the Evolution technical datasheet.\u003c\/p\u003e\n\u003cp\u003eThis version is supplied without a \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/epdm-bonded-sealing-washers\"\u003ebonded sealing washer\u003c\/a\u003e. It suits applications such as brackets, framing components and steel-to-steel connections where a separate weather-sealing washer is not required. For demanding structural connections, verify design requirements and installation conditions.\u003c\/p\u003e\n\u003cp\u003eSee our range of \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-screws\"\u003eheavy duty self-drilling metal screws\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fixabolt","offers":[{"title":"Default Title","offer_id":59113699508607,"sku":"FB-TSHW5.5-100-7","price":70.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/files\/5.5x100mmHeavyDutyDrillingScrew_TEK7SuperTEK_6c592d2d-1e6d-42e2-8666-f02db1075c20.webp?v=1794178828"},{"product_id":"5-5-x-125mm-supertek-7-heavy-duty-self-drilling-metal-screws","title":"5.5 x 125mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)","description":"\u003ch2\u003e5.5 x 125mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFixabolt SKU: FB-TSHW5.5-125-7\u003c\/li\u003e\n\u003cli\u003eSize: 5.5 x 125mm\u003c\/li\u003e\n\u003cli\u003eRange: Evolution SuperTEK 7\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex head, 5\/16\" (8mm across flats)\u003c\/li\u003e\n\u003cli\u003eDrill Point: TEK 7 spiral drill point\u003c\/li\u003e\n\u003cli\u003eThread: Fine, 24 TPI, V-fluted\u003c\/li\u003e\n\u003cli\u003eMaterial: AISI C1022 carbon steel\u003c\/li\u003e\n\u003cli\u003eCoating: EvoShield 1000hr rated\u003c\/li\u003e\n\u003cli\u003eSteel Drilling Capacity: 4.0 to 18.0mm (conservative manufacturer range)\u003c\/li\u003e\n\u003cli\u003eBox Quantity: 100 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese 5.5 x 125mm SuperTEK 7 heavy-duty self-drilling metal screws are designed for steel-to-steel fixing in heavy-gauge sections. The TEK 7 spiral drill point allows drilling and fastening in suitable steel without a separate pre-drilling operation.\u003c\/p\u003e\n\u003cp\u003eThe fine 24 TPI V-fluted thread is designed for engagement in steel, and the hex head provides positive drive with a suitable 8mm socket. The 1000hr-rated EvoShield coating offers protection for the carbon-steel fastener.\u003c\/p\u003e\n\u003cp\u003eThis 125mm length provides an option for assemblies requiring a longer fastener, including suitable steel framing and bracket connections. Check the joint build-up and penetration requirements before specifying.\u003c\/p\u003e\n\u003cp\u003eThis version is supplied without a \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/epdm-bonded-sealing-washers\"\u003ebonded sealing washer\u003c\/a\u003e. It suits applications such as brackets, framing components and steel-to-steel connections where a separate weather-sealing washer is not required. For demanding structural connections, verify design requirements and installation conditions.\u003c\/p\u003e\n\u003cp\u003eSee our range of \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-screws\"\u003eheavy duty self-drilling metal screws\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fixabolt","offers":[{"title":"Default Title","offer_id":59113699967359,"sku":"FB-TSHW5.5-125-7","price":91.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/files\/5.5x125mmHeavyDutyDrillingScrew_TEK7SuperTEK.webp?v=1794178852"},{"product_id":"5-5-x-150mm-supertek-7-heavy-duty-self-drilling-metal-screws","title":"5.5 x 150mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)","description":"\u003ch2\u003e5.5 x 150mm Heavy Duty TEK 7 Self-Drilling Screws (SuperTEK) (X100)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFixabolt SKU: FB-TSHW5.5-150-7\u003c\/li\u003e\n\u003cli\u003eSize: 5.5 x 150mm\u003c\/li\u003e\n\u003cli\u003eRange: Evolution SuperTEK 7\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex head, 5\/16\" (8mm across flats)\u003c\/li\u003e\n\u003cli\u003eDrill Point: TEK 7 spiral drill point\u003c\/li\u003e\n\u003cli\u003eThread: Fine, 24 TPI, V-fluted\u003c\/li\u003e\n\u003cli\u003eMaterial: AISI C1022 carbon steel\u003c\/li\u003e\n\u003cli\u003eCoating: EvoShield 1000hr rated\u003c\/li\u003e\n\u003cli\u003eSteel Drilling Capacity: 4.0 to 18.0mm (conservative manufacturer range)\u003c\/li\u003e\n\u003cli\u003eBox Quantity: 100 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese 5.5 x 150mm SuperTEK 7 heavy-duty self-drilling metal screws are designed for steel-to-steel fixing in heavy-gauge sections. The TEK 7 spiral drill point allows drilling and fastening in suitable steel without a separate pre-drilling operation.\u003c\/p\u003e\n\u003cp\u003eThe fine 24 TPI V-fluted thread is designed for engagement in steel, and the hex head provides positive drive with a suitable 8mm socket. The 1000hr-rated EvoShield coating offers protection for the carbon-steel fastener.\u003c\/p\u003e\n\u003cp\u003eThis 150mm length provides an option for assemblies requiring a longer fastener, including suitable steel framing and bracket connections. Check the joint build-up and penetration requirements before specifying.\u003c\/p\u003e\n\u003cp\u003eThis version is supplied without a \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/epdm-bonded-sealing-washers\"\u003ebonded sealing washer\u003c\/a\u003e. It suits applications such as brackets, framing components and steel-to-steel connections where a separate weather-sealing washer is not required. For demanding structural connections, verify design requirements and installation conditions.\u003c\/p\u003e\n\u003cp\u003eSee our range of \u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-screws\"\u003eheavy duty self-drilling metal screws\u003c\/a\u003e\u003ca href=\"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-metal-screws\"\u003e\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fixabolt","offers":[{"title":"Default Title","offer_id":59113700032895,"sku":"FB-TSHW5.5-150-7","price":107.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/files\/5.5x150mmHeavyDutyDrillingScrew_TEK7SuperTEK.webp?v=1794178882"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6885\/0678\/collections\/Heavy_Duty_Tek_Screws_Collection_Page.webp?v=1794179985","url":"https:\/\/fixabolt.co.uk\/collections\/heavy-duty-self-drilling-screws.oembed","provider":"Fixabolt","version":"1.0","type":"link"}