{"product_id":"3b0645","title":"3B0645","description":"\u003cdiv class=\"productDescription\"\u003e\n\u003cspan style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; margin: 12px 0 16px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003eThe Caterpillar 3B-0645 Hex Nut is a high-tensile, heavy-duty mechanical locking fastener. It is engineered to maintain extreme clamping force and prevent joint relaxation across structural frame brackets, heavy mechanical linkages, and high-stress engine block attachments subject to relentless machine vibrations.\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 24px 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e1. Core Dimensions \u0026amp; Fastener Specs\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; margin: 12px 0 16px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eThread Size: 5\/8 inch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eHole Thread Pitch: 11 threads per inch (5\/8-11 UNC Coarse Thread)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eNut Thickness \/ Height: 13.89 mm (0.547 in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eDrive \/ Hex Width Across Flats: 23.81 mm (15\/16 in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\n\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eNet Weight: 0.034 kg (0.076 lbs)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 24px 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e2. Material \u0026amp; Manufacturing Specs\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; margin: 12px 0 16px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eMaterial Grade: Premium high-strength hardened alloy steel (SAE J995 Grade 8 \/ Class 10 equivalent).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eCoating \u0026amp; Finish: Corrosion-resistant zinc plating or heavy-duty phosphate finish to prevent thread seizing, friction spikes, and environmental rust.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\n\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eThread Hand: Standard Right-Hand (RH).\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 24px 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e3. Equipment \u0026amp; System Compatibility\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; margin: 12px 0 16px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003eThis coarse-threaded structural nut is standard heavy-duty hardware deployed across a vast selection of large-scale Caterpillar heavy machinery and high-horsepower engine platforms:\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; margin: 12px 0 16px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\n\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eEngine Platforms: Integrated into core structural components, exhaust manifolds, engine mounting brackets, and flywheel housing groups for CAT 3406, 3408, 3412, 3508, 3512, and 3516 engine series.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\n\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eHeavy Earthmovers \u0026amp; Track Dozers: Widely used within the chassis panels, suspension tracks, blade stabilizers, and ripper frame linkages of Caterpillar D8, D9, D10, and D11 fleets.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\n\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eUltra-Class Mining Trucks: Deployed across body mount groupings, suspension cylinder clusters, and structural transmission mounts in CAT 777, 785, 789, 793, and 797 series mining haulers.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 24px 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e4. Part Cross-References\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; margin: 12px 0 16px; border-bottom: 0 rgba(230, 232, 240, 1)'\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eAlternative Part Names: Coarse Thread Hex Nut, Heavy Hex Nut, Grade 8 Nut.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 12px; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003e\u003cspan style=\"margin: 0; border-bottom: 0 rgba(230, 232, 240, 1)\"\u003eAlternative Part Numbers: 3B0645, 3B-0645.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e","brand":"APSS Store","offers":[{"title":"Default Title","offer_id":58260930134319,"sku":"APSS-ITEM-00007526","price":0.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/5826\/9231\/files\/BC_Upload_c5407e63-02c5-466a-b1e3-e3e8fbbcb9b6.png?v=1785231204","url":"https:\/\/onlinestore.apss.com\/vi\/products\/3b0645","provider":"APSS Store","version":"1.0","type":"link"}