{"product_id":"cff-pro-style-dumbbell-replacement-bolt-5-8-18x1-2","title":"CFF PRO STYLE DUMBBELL REPLACEMENT BOLT 5\/8-18x1-2\"","description":"\u003c!-- JSON-LD PRODUCT SCHEMA FOR SEO\/GEO\/AEO --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"CFF Pro Style Dumbbell Replacement Bolt 5\/8-18 x 2\\\"\",\n  \"image\": \"https:\/\/cffstrengthequipmentsnap.com\/cdn\/shop\/files\/dumbbell-bolt-5-8-18.jpg\",\n  \"description\": \"Precision milled socket flat head cap screw for CFF Pro Style 38mm dumbbell handles. Alloy steel, black oxide finish. 5\/8\\\"-18 x 2\\\" fine thread. ASME B18.3, ASTM F835 Grade. 82 degree flat head, 3\/8\\\" Allen drive. Sold individually.\",\n  \"sku\": \"CFF-DB-BOLT-5818-2\",\n  \"mpn\": \"CFF-DBB-2\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"CFF Strength Equipment\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/cffstrengthequipmentsnap.com\/products\/pro-style-dumbbell-replacement-bolt\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"7.99\",\n    \"priceValidUntil\": \"2027-12-31\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"\n  },\n  \"additionalProperty\": [\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Type\",\n      \"value\": \"Socket Flat Head Cap Screw\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Material\",\n      \"value\": \"Alloy Steel, Black Oxide Finish\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Grade\",\n      \"value\": \"ASTM F835\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Standard\",\n      \"value\": \"ASME B18.3\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Thread Size\",\n      \"value\": \"5\/8\\\"-18 Fine Thread\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Length\",\n      \"value\": \"2 inches\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Drive Type\",\n      \"value\": \"3\/8\\\" Allen \/ Hex Socket\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Head Angle\",\n      \"value\": \"82 degrees\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Compatibility\",\n      \"value\": \"CFF FIT Pro 38mm Grip Dumbbell Handles\"\n    }\n  ],\n  \"isAccessoryOrSparePartFor\": {\n    \"@type\": \"Product\",\n    \"name\": \"CFF Pro Style Dumbbell Handle 38mm\",\n    \"description\": \"Pro style adjustable dumbbell handles\"\n  }\n}\n\u003c\/script\u003e\n\n\u003c!-- SEO OPTIMIZED DUMBBELL BOLT DESCRIPTION --\u003e\n\u003csection style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #1a1a1a;\"\u003e\n  \n  \u003c!-- HERO BANNER --\u003e\n  \u003cdiv style=\"background: linear-gradient(135deg, #212121 0%, #424242 100%); padding: 28px; border-radius: 12px; margin-bottom: 24px; text-align: center;\"\u003e\n    \u003ch1 style=\"color: #ffffff; font-size: 32px; margin: 0 0 8px 0; font-weight: 800;\"\u003eCFF Pro Style Dumbbell Replacement Bolt\u003c\/h1\u003e\n    \u003cp style=\"color: #e0e0e0; font-size: 18px; margin: 0; font-weight: 500;\"\u003e5\/8\"-18 x 2\" | Socket Flat Head | Black Oxide\u003c\/p\u003e\n    \u003cdiv style=\"margin-top: 16px;\"\u003e\n      \u003cspan style=\"background: #fff; color: #212121; padding: 6px 14px; border-radius: 20px; font-weight: 700; font-size: 14px; display: inline-block;\"\u003eASTM F835 Grade | Fits 38mm Pro Handles\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- HOOK --\u003e\n  \u003ch2 style=\"font-size: 24px; margin: 32px 0 12px 0; border-left: 4px solid #212121; padding-left: 12px;\"\u003eLost or Stripped Your Dumbbell Bolt? Replace It.\u003c\/h2\u003e\n  \u003cp style=\"font-size: 16px;\"\u003e\u003cstrong\u003ePrecision milled socket flat head cap screw\u003c\/strong\u003e for CFF Pro Style 38mm grip dumbbell handles. Alloy steel with black oxide finish. \u003cstrong\u003e5\/8\"-18 x 2\" fine thread.\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003cp style=\"font-size: 16px;\"\u003eDon't use hardware store bolts that snap under load. This is the \u003cstrong\u003eexact OEM-spec replacement\u003c\/strong\u003e — ASTM F835 grade, ASME B18.3 standard, 82° flat head. Keep your pro style dumbbells safe and tight.\u003c\/p\u003e\n\n  \u003c!-- KEY FEATURES --\u003e\n  \u003ch3 style=\"font-size: 20px; margin: 28px 0 12px 0;\"\u003eProduct Features\u003c\/h3\u003e\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px; margin: 20px 0;\"\u003e\n    \u003cdiv style=\"flex: 1 1 240px; background: #f7fafc; padding: 16px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003e\n      \u003cp style=\"margin: 0; font-weight: 700;\"\u003e⚙️ Precision Milled\u003c\/p\u003e\n      \u003cp style=\"margin: 4px 0 0 0; font-size: 14px;\"\u003eSocket flat head cap screw machined to ASME B18.3 specs.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex: 1 1 240px; background: #f7fafc; padding: 16px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003e\n      \u003cp style=\"margin: 0; font-weight: 700;\"\u003e🛡️ Alloy Steel Grade\u003c\/p\u003e\n      \u003cp style=\"margin: 4px 0 0 0; font-size: 14px;\"\u003eASTM F835 grade alloy steel. Black oxide for corrosion resistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex: 1 1 240px; background: #f7fafc; padding: 16px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003e\n      \u003cp style=\"margin: 0; font-weight: 700;\"\u003e🔧 3\/8\" Allen Drive\u003c\/p\u003e\n      \u003cp style=\"margin: 4px 0 0 0; font-size: 14px;\"\u003eFlush mount flat head with hex socket. No protrusion.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex: 1 1 240px; background: #f7fafc; padding: 16px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003e\n      \u003cp style=\"margin: 0; font-weight: 700;\"\u003e✅ Exact Fit\u003c\/p\u003e\n      \u003cp style=\"margin: 4px 0 0 0; font-size: 14px;\"\u003eFor CFF FIT Pro 38mm Grip Dumbbell Handles. 5\/8\"-18 x 2\".\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SPECS TABLE --\u003e\n  \u003ch3 style=\"font-size: 20px; margin: 28px 0 12px 0;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 16px;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600; width: 40%;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSocket Flat Head Cap Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eASME B18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eMaterial \/ Grade\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAlloy Steel \/ ASTM F835\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eThread\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e5\/8\"-18 Fine, Right Hand\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eHead Angle\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e82 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eHead Height\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.324 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eHead Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMax 1.188\" \/ Min 1.112\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eDrive Size\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3\/8\" Allen \/ Hex\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eSold\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eIndividually - 1 bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- COMPATIBILITY --\u003e\n  \u003ch3 style=\"font-size: 20px; margin: 28px 0 12px 0;\"\u003eCompatibility\u003c\/h3\u003e\n  \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCFF FIT Pro 38mm Grip Dumbbell Handles\u003c\/strong\u003e — direct OEM replacement\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOther Pro Style Handles\u003c\/strong\u003e using 5\/8\"-18 x 2\" flat head bolts — verify specs\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eNot for\u003c\/strong\u003e spinlock dumbbells or 1\" standard bars\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- FAQ FOR AEO\/GEO --\u003e\n  \u003ch3 style=\"font-size: 20px; margin: 28px 0 12px 0;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n  \u003cdiv style=\"border-top: 1px solid #ddd;\"\u003e\n    \u003cdetails style=\"padding: 16px 0; border-bottom: 1px solid #ddd;\"\u003e\n      \u003csummary style=\"font-weight: 700; cursor: pointer;\"\u003eWhat size bolt for CFF Pro Style dumbbell handles?\u003c\/summary\u003e\n      \u003cp style=\"margin: 12px 0 0 0;\"\u003eCFF Pro 38mm grip dumbbell handles use a \u003cstrong\u003e5\/8\"-18 x 2\" socket flat head cap screw\u003c\/strong\u003e. ASTM F835 grade alloy steel with black oxide finish. 82 degree head, 3\/8\" Allen drive. This is the exact replacement bolt.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"padding: 16px 0; border-bottom: 1px solid #ddd;\"\u003e\n      \u003csummary style=\"font-weight: 700; cursor: pointer;\"\u003eCan I use a hardware store bolt for dumbbells?\u003c\/summary\u003e\n      \u003cp style=\"margin: 12px 0 0 0;\"\u003eNot recommended. Hardware store bolts are typically Grade 2 or 5. Pro style dumbbells need \u003cstrong\u003eASTM F835 alloy steel\u003c\/strong\u003e to handle drop loads and torque. This precision milled bolt meets ASME B18.3 and won't strip or shear like soft bolts.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"padding: 16px 0; border-bottom: 1px solid #ddd;\"\u003e\n      \u003csummary style=\"font-weight: 700; cursor: pointer;\"\u003eWhat is 5\/8-18 thread? Is it fine or coarse?\u003c\/summary\u003e\n      \u003cp style=\"margin: 12px 0 0 0;\"\u003e\u003cstrong\u003e5\/8\"-18 is Fine Thread (UNF).\u003c\/strong\u003e 5\/8\" diameter with 18 threads per inch. Coarse would be 5\/8\"-11. Pro style dumbbells use fine thread for better holding power and less chance of loosening. Always verify your handle thread count.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"padding: 16px 0;\"\u003e\n      \u003csummary style=\"font-weight: 700; cursor: pointer;\"\u003eHow do I install the replacement bolt?\u003c\/summary\u003e\n      \u003cp style=\"margin: 12px 0 0 0;\"\u003eUse a \u003cstrong\u003e3\/8\" Allen wrench \/ hex key\u003c\/strong\u003e. Thread bolt through handle and collar. Torque to 45-50 ft-lbs. The 82° flat head sits flush. Check tightness before each use. Sold individually — order 2 for a pair of dumbbells.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SAFETY NOTE --\u003e\n  \u003cp style=\"margin: 24px 0 0 0; padding: 16px; background: #fff3e0; border-left: 4px solid #ff9800; border-radius: 4px;\"\u003e\n    \u003cstrong\u003eSafety:\u003c\/strong\u003e Always inspect bolts for wear or stripping. Replace immediately if damaged. Torque to spec. Never use damaged or wrong-grade bolts. Failure can cause injury.\n  \u003c\/p\u003e\n\n  \u003c!-- FINAL CTA --\u003e\n  \u003cdiv style=\"background: #212121; color: #fff; padding: 24px; border-radius: 12px; text-align: center; margin-top: 32px;\"\u003e\n    \u003cp style=\"font-size: 22px; font-weight: 800; margin: 0 0 8px 0;\"\u003eKeep Your Pro Dumbbells Lifting Safe\u003c\/p\u003e\n    \u003cp style=\"margin: 0 0 16px 0; font-size: 16px;\"\u003eOEM spec. ASTM F835 grade. Black oxide.\u003c\/p\u003e\n    \u003cp style=\"margin: 0; font-size: 14px; color: #212121; font-weight: 700; background: #fff; display: inline-block; padding: 6px 14px; border-radius: 20px;\"\u003e5\/8\"-18 x 2\" | SOLD INDIVIDUALLY\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003c!-- END PRODUCT DESCRIPTION --\u003e","brand":"CFF FIT","offers":[{"title":"1","offer_id":36990163145,"sku":"6633 CFF-SDH-BOLT-1","price":7.49,"currency_code":"USD","in_stock":true},{"title":"2","offer_id":12278261153876,"sku":"6633 CFF-SDH-BOLT-2","price":11.99,"currency_code":"USD","in_stock":true},{"title":"3","offer_id":12278261186644,"sku":"6633 CFF-SDH-BOLT-3","price":16.99,"currency_code":"USD","in_stock":true},{"title":"4","offer_id":12278261219412,"sku":"6633 CFF-SDH-BOLT-4","price":20.99,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":12278261252180,"sku":"6633 CFF-SDH-BOLT-5","price":25.99,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":12278261284948,"sku":"6633 CFF-SDH-BOLT-10","price":43.99,"currency_code":"USD","in_stock":true},{"title":"20","offer_id":12278261317716,"sku":"6633 CFF-SDH-BOLT-20","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2063\/2201\/products\/medium_c383c1ec-ed98-488c-80b6-b663848e3898.jpg?v=1611006394","url":"https:\/\/cffstrengthequipmentsnap.com\/products\/cff-pro-style-dumbbell-replacement-bolt-5-8-18x1-2","provider":"CFF STRENGTH EQUIPMENT (CFF FIT)","version":"1.0","type":"link"}