{"product_id":"jergens-44103-t-slot-bolt-1-2-13-steel-black-finish","title":"Jergens 44103 T-slot Bolt 1\/2-13 Steel Black Finish","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe JERGENS 44103 is a steel T-slot bolt designed for securing workpieces and fixtures to T-slotted machine tables, jigs, and workholding setups. It features a 1\/2-13 UNC thread with a Class 2A fit, a 1 and 1\/2 inch thread length, and a 3 inch length under the head. The bolt is manufactured from Grade 4140 steel and carries a black finish for corrosion resistance. The head dimensions  -  7\/8 inch wide by 5\/16 inch tall  -  are sized to seat and slide within a 1\/2 inch T-slot. This fastener is installed by machinists and tooling technicians working with milling machines, surface plates, and modular fixturing systems.\u003c\/p\u003e\n\u003cp\u003eThis T-slot bolt is suited for use in machine shop environments where workpieces need to be clamped securely to slotted tables or fixture plates. Typical applications include milling machine table fixturing, modular tooling assemblies, tombstone fixtures, and sub-plate setups. The 1\/2-13 UNC thread accepts standard hex nuts, strap clamps, and step blocks used in common workholding configurations. It is intended for use wherever a 1\/2 inch T-slot is present and a reliable, positive clamping connection is required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2-13 UNC thread with Class 2A fit for standard workholding hardware compatibility\u003c\/li\u003e\n  \u003cli\u003e3 inch length under head provides clearance for varying clamp and strap configurations\u003c\/li\u003e\n  \u003cli\u003eHead sized at 7\/8 inch wide and 5\/16 inch tall to fit 1\/2 inch T-slots\u003c\/li\u003e\n  \u003cli\u003eGrade 4140 steel construction for high tensile strength in demanding clamping applications\u003c\/li\u003e\n  \u003cli\u003eBlack finish for added surface protection\u003c\/li\u003e\n  \u003cli\u003e1 and 1\/2 inch thread length accommodates standard nuts and clamping hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-fit replacement or standard component for any fixturing setup using a 1\/2 inch T-slot. Compatible with milling machine tables, modular fixture plates, and workholding systems that accept 1\/2-13 UNC T-slot fasteners.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a machinist or tooling technician. Always power down and lock out the machine before adjusting or installing workholding fasteners on a machine table. Slide the T-slot bolt head into the slot from the end or through a cross slot, then position and tighten with a standard hex nut and wrench to the fixture or clamp manufacturer's specified clamping sequence. Do not overtighten to the point of deforming the T-slot or stripping the thread engagement.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2-13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Fit Class\u003c\/strong\u003e: Class 2A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlot Width\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Width\u003c\/strong\u003e: 0.875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 0.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 4140 Grade 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.27 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: JERGENS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 44103\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JERGENS","offers":[{"title":"Default Title","offer_id":51972760502578,"sku":"44103","price":27.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/25e3d1b087e2f3c253670474c7bbb16f.jpg?v=1789970487","url":"https:\/\/voomisupply.com\/products\/jergens-44103-t-slot-bolt-1-2-13-steel-black-finish","provider":"Voomi Supply","version":"1.0","type":"link"}