{"product_id":"m14-x-50mm-t-slot-bolts-black-8-8-steel-full-thread","title":"M14 x 50mm T-Slot Bolts – Black 8.8 Steel, Full Thread (T-Slot Screws for Aluminum Extrusion)","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right bolt length for my T-slot aluminum extrusion?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Generally, measure the total thickness of the parts you are clamping together, then add the depth of the T-slot channel (typically 6–10 mm for 30- and 40-series profiles). For this listing, the bolt is 50mm (≈1.97\\u201d) long, which is typically suitable for clamping material stacks of 30–40 mm with standard 30\/40-series extrusions. When in doubt, choose a slightly longer bolt and use a washer to fine-tune the clamping depth.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What grade is this bolt and what does Grade 8.8 mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These bolts are Grade 8.8, which is a medium-high-strength carbon steel fastener grade. The first number (8) indicates a minimum tensile strength of 800 MPa, and the second (8) indicates the yield strength is 80% of tensile strength (640 MPa). Grade 8.8 is generally suitable for structural framing, machine guarding, and industrial fixture applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these T-slot bolts compatible with my aluminum extrusion profile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These M14 T-slot bolts are designed to fit T-slot channels with a slot width that accommodates an M14 bolt head — typically found on 40-series and larger aluminum extrusion profiles (e.g., 40×40, 40×80, 80×80). Always verify your extrusion's slot opening width before ordering. If you are unsure, contact us with your profile series and we will confirm compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these bolts be used outdoors or in humid environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These bolts feature a black oxide finish, which provides mild corrosion resistance compared to bare steel. For occasional moisture exposure in a workshop setting, they generally perform well. However, for prolonged outdoor use or high-humidity environments, we recommend applying a light coat of oil or thread locker, or contacting us about stainless steel alternatives.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the thread pitch for M14 bolts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard M14 bolts use a coarse thread pitch of 2.0 mm per the ISO metric thread standard. This is the most common pitch for M14 fasteners and is compatible with standard M14 nuts, T-nuts, and threaded inserts used in aluminum extrusion systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between full-thread and partial-thread T-slot bolts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A full-thread bolt has threads running the entire length of the shank, giving you maximum thread engagement and flexibility in clamping depth — ideal when you need to adjust how deep the bolt sits in the T-slot channel. A partial-thread bolt has a smooth shank section near the head, which can provide better shear resistance in some structural applications. For most T-slot framing and fixture work, full-thread bolts like these are the preferred choice.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many bolts come in each pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"You can select your preferred quantity using the 'Amount(pcs)' option above. Available pack sizes are listed in the variant selector — choose the quantity that matches your project needs to get the best value per bolt.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003c!-- ① OVERVIEW --\u003e\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM14 x 50mm T-Slot Bolts — Secure, Full-Thread Fastening for Aluminum Extrusion Frames\u003c\/h2\u003e\n    \u003cp\u003eIf you've ever had a framing assembly loosen up mid-project — or spent too long hunting for bolts that actually fit your T-slot channel — you know how much the right fastener matters. These M14 x 50mm T-slot bolts are built for makers, fabricators, and industrial builders who need reliable, repeatable clamping in aluminum extrusion systems without guesswork.\u003c\/p\u003e\n    \u003cp\u003eEach bolt is manufactured from Grade 8.8 carbon steel with a black oxide finish, offering a tensile strength of approximately 800 MPa. The M14 shank is fully threaded along its entire 50mm (≈1.97\") length, maximizing thread engagement depth and giving you flexibility when adjusting clamping stack height. The T-shaped head is sized to slide into and lock within standard T-slot channels on 40-series and larger aluminum extrusion profiles.\u003c\/p\u003e\n    \u003cp\u003eThese T-slot screws are well suited for building CNC router frames, modular workbenches, machine guarding enclosures, and industrial fixture tables. Whether you're assembling a 40×80 extrusion gantry or anchoring a safety panel to a 80×80 profile, these full-thread T-slot fasteners give you the grip and adjustability the job demands.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ② COMPATIBILITY BAR --\u003e\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for T-slot aluminum extrusion profiles with slot openings that accept M14 bolt heads — typically 40-series (40×40, 40×80) and larger 80-series profiles. Thread standard: ISO Metric M14 × 2.0 coarse pitch. Always verify your extrusion slot width before ordering.\n  \u003c\/div\u003e\n\n  \u003c!-- ③ KEY FEATURES --\u003e\n  \u003ch2\u003e✅ Key Features of These M14 T-Slot Bolts\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eFull-Thread Shank\u003c\/strong\u003e — Threads run the entire 50mm length, allowing flexible clamping depth adjustment in T-slot aluminum extrusion channels without repositioning the bolt.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e💪\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eGrade 8.8 Strength Rating\u003c\/strong\u003e — With a minimum tensile strength of 800 MPa and yield strength of 640 MPa, these bolts handle the structural loads typical of CNC frames, fixture tables, and machine guarding assemblies.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🖤\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eBlack Oxide Finish\u003c\/strong\u003e — The dark surface treatment reduces light reflection in workshop environments and provides mild corrosion resistance compared to bare steel, keeping your build looking clean and professional.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eT-Head Profile for Slot-In Installation\u003c\/strong\u003e — The T-shaped bolt head slides directly into the extrusion channel and rotates 90° to lock in place — no access from the end of the profile required, saving significant assembly time on closed-frame builds.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eRepositionable Along the Channel\u003c\/strong\u003e — Unlike fixed-position fasteners, T-slot bolts can be slid to any position along the extrusion before tightening, making them ideal for modular workbench builds and adjustable fixture setups.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eAvailable in Multiple Pack Quantities\u003c\/strong\u003e — Select the pack size that matches your project scope. Buying in larger quantities reduces per-bolt cost, which adds up quickly on large aluminum extrusion frame builds.\u003c\/span\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n  \u003ch2\u003e📐 Technical Specifications — M14 T-Slot Bolts\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM14\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003ctd\u003e2.0 mm (ISO Metric Coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBolt Length\u003c\/th\u003e\n\u003ctd\u003e50 mm (≈1.97\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eFull Thread (threads along entire shank length)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eT-Head (T-slot \/ hammer head)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCarbon Steel, Grade 8.8\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003e≥ 800 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eYield Strength\u003c\/th\u003e\n\u003ctd\u003e≥ 640 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Profile Series\u003c\/th\u003e\n\u003ctd\u003eTypically 40-series and 80-series aluminum extrusion (verify slot width)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eGrade Options\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Confirm your aluminum extrusion profile's T-slot opening width is compatible with an M14 bolt head. Slot dimensions vary between manufacturers and profile series. When in doubt, contact us with your profile specs.\n  \u003c\/div\u003e\n\n  \u003c!-- ⑤ FAQ --\u003e\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right bolt length for my T-slot aluminum extrusion?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eGenerally, measure the total thickness of the parts you are clamping together, then add the depth of the T-slot channel (typically 6–10 mm for 30- and 40-series profiles). This bolt is 50 mm (≈1.97\") long, which is typically suitable for clamping material stacks of 30–40 mm with standard 40-series extrusions. When in doubt, choose a slightly longer bolt and use a washer to fine-tune the clamping depth.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat grade is this bolt and what does Grade 8.8 mean?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese are Grade 8.8 bolts — a medium-high-strength carbon steel fastener classification. The first digit (8) indicates a minimum tensile strength of 800 MPa; the second digit (8) means the yield strength is 80% of tensile strength, or approximately 640 MPa. Grade 8.8 is generally suitable for structural framing, machine guarding, and industrial fixture applications where reliable clamping force is required.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these T-slot bolts compatible with my aluminum extrusion profile?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese M14 T-slot bolts are designed to fit T-slot channels with a slot opening wide enough to accept an M14 bolt head — typically found on 40-series and larger aluminum extrusion profiles (e.g., 40×40, 40×80, 80×80). Always verify your extrusion's slot opening width before ordering. If you are unsure, contact us with your profile series and we will confirm compatibility.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these bolts be used outdoors or in humid environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe black oxide finish provides mild corrosion resistance compared to bare steel and is generally adequate for indoor workshop environments with occasional moisture exposure. For prolonged outdoor use or high-humidity conditions, we recommend applying a light coat of machine oil or thread locker compound. Contact us if you need stainless steel alternatives for outdoor T-slot applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the thread pitch for M14 bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard M14 bolts use a coarse thread pitch of 2.0 mm per the ISO metric thread standard. This is the most common pitch for M14 fasteners and is compatible with standard M14 T-nuts, drop-in T-nuts, and threaded inserts used in aluminum extrusion systems. If you need a fine-pitch M14 variant, contact us to confirm availability.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between full-thread and partial-thread T-slot bolts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA full-thread bolt — like this one — has threads running the entire length of the shank, giving you maximum thread engagement and flexibility in clamping depth. This is ideal when you need to adjust how deep the bolt sits in the T-slot channel. A partial-thread bolt has a smooth shank section near the head, which can provide better shear resistance in some structural applications. For most T-slot framing and fixture work, full-thread bolts are the preferred choice.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many bolts come in each pack?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYou can select your preferred quantity using the \u003cstrong\u003eAmount(pcs)\u003c\/strong\u003e option above the Add to Cart button. Available pack sizes are listed in the variant selector — choose the quantity that matches your project needs to get the best value per bolt.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- ⑥ CTA BAR --\u003e\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003esize, quantity, and grade\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M14x50（Full Thread） \/ 5 \/ 8.8","offer_id":52309754577170,"sku":"GYLZWZJWZLSQJD855-1x1","price":22.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture3of6_8961cf73-ac06-4c6b-896f-84d1ae7402e3.jpg?v=1780221254","url":"https:\/\/homediyer.com\/products\/m14-x-50mm-t-slot-bolts-black-8-8-steel-full-thread","provider":"HomeDIYer","version":"1.0","type":"link"}