{"product_id":"alvktora-weld-on-tabs-1-2-hole-flat-bottom-shock-mount-brackets-8-pc-15-chamfer-18-kn-shear","title":"Alvktora Weld-On Tabs 1\/2\" Hole Flat-Bottom Shock Mount Brackets — 8 Pc, 15° Chamfer \u0026 18 kN Shear","description":"\u003cstrong\u003eAlvktora Weld-On Tabs are heavy-duty flat-bottom shock mount brackets with a 1\/2\" center hole, supplied as an 8-piece set for secure, vibration-resistant mounting.\u003c\/strong\u003e\n\n\u003cp\u003eThese weld-on tabs are engineered for demanding structural and suspension applications where consistent hole alignment, superior weldability, and long-term durability matter. Each plate is precision-machined from acid-washed, stress-relieved steel, featuring a chamfered bottom and anti-sway center-hole design to reduce fastener tilt. The result is a ready-to-weld bracket designed to minimize welding defects, resist tear-out, and withstand high shear loads in automotive, off-road, marine, and industrial builds.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these tabs make welding easier and more reliable?\u003c\/h3\u003e\n\u003cp\u003eThe tabs arrive with laser-cleaned, zinc-free surfaces and a 15° chamfer on the flat bottom to eliminate gaps and reduce porosity during welding. Vacuum degassing and stress-relief annealing lower hydrogen content and residual stress, helping to prevent cracking and distortion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLaser-cleaned surfaces reduce porosity to under 0.5% for cleaner welds.\u003c\/li\u003e\n  \u003cli\u003eZinc-free, low-silicone chemistry cuts toxic fumes and reduces spatter by ~30%.\u003c\/li\u003e\n  \u003cli\u003e15° chamfer fills gaps for full-penetration welds and consistent joint geometry.\u003c\/li\u003e\n  \u003cli\u003eCompatible with MIG\/TIG using ER70S-6 wire for common workshop processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat mechanical strength and fatigue resistance can I expect?\u003c\/h3\u003e\n\u003cp\u003eThese brackets are specified to Mil-Spec-like mechanical values—HV130-150 hardness and verified 18 kN shear performance—so each tab resists pull-through and supports heavy suspension loads. Finite Element Analysis (FEA) informed thicker edge geometry to significantly improve tear-out resistance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHV130–150 hardness balances toughness and strength for fatigue resistance.\u003c\/li\u003e\n  \u003cli\u003e18 kN shear capacity approximates the load of suspending a pickup truck from a single bracket.\u003c\/li\u003e\n  \u003cli\u003eFEA-optimized edge thickness (9.7 mm) improves tear-out resistance by ~150% vs. standard plates.\u003c\/li\u003e\n  \u003cli\u003e0.1 mm center-hole gap control prevents fastener tilt under vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and fit features I should know?\u003c\/h3\u003e\n\u003cp\u003eEach weld tab is sized for universal suspension and mounting tasks, with dimensions chosen to fit common shock and bracket hardware while maintaining robust cross-section thickness. The controlled flatness and tight tolerances make them easy to position and align before welding.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCenter hole diameter: 1\/2\" for standard hardware compatibility.\u003c\/li\u003e\n  \u003cli\u003eOverall: 2-1\/2\" height × 1-3\/4\" width × 1\/4\" thickness.\u003c\/li\u003e\n  \u003cli\u003eChamfered bottom (15°) for gap filling and secure tack welding.\u003c\/li\u003e\n  \u003cli\u003ePlate flatness better than 0.1 mm\/m minimizes fit-up distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these tabs hold up to corrosion and real-world environments?\u003c\/h3\u003e\n\u003cp\u003eThe steel receives acid cleaning, pickling, and vacuum treatments to reduce contamination and delay surface rust, especially when followed by standard primer and topcoat. These pre-treatments extend service life in wet or salty environments compared with untreated raw steel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePickling and acid wash delay rusting up to three times longer than untreated steel.\u003c\/li\u003e\n  \u003cli\u003eVacuum degassing keeps hydrogen below 2 ppm, reducing corrosion-initiated cracking risk.\u003c\/li\u003e\n  \u003cli\u003eStress-relief annealing at 650°C reduces residual stress by ~40% for dimensional stability.\u003c\/li\u003e\n  \u003cli\u003eRecommended finish: primer + paint for multi-year protection in exposed conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: fabricators, off-road builders, trailer and suspension shops, and serious DIY mechanics who need compact, high-strength weld-on brackets that weld cleanly and maintain hole alignment under heavy vibration. If your project requires reliable shock or mount attachment points that resist tear-out and simplify welding, these Alvktora weld-on tabs are built to meet those demands.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these tabs ready to weld right out of the box?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They arrive laser-cleaned and acid-washed for low porosity; they’re compatible with MIG\/TIG using ER70S-6 wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will they resist pull-through under heavy loads?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Specified for ~18 kN shear and FEA-optimized edges increase tear-out resistance significantly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Alvktora","offers":[{"title":"Default Title","offer_id":67591436075193,"sku":"B0F6D29YV3","price":69.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/alvktora-front-packaging-weld-tabs.jpg?v=1790551106","url":"https:\/\/redleafauto.ca\/products\/alvktora-weld-on-tabs-1-2-hole-flat-bottom-shock-mount-brackets-8-pc-15-chamfer-18-kn-shear","provider":"Redleaf Auto","version":"1.0","type":"link"}