{"product_id":"44pcs-alloy-nut-and-bolt-thread-inspector-charge-free-thread-gauge-metric-and-sae-size-identification-tool-for-inspection-of-fixed-bolts-or-threaded-holes","title":"🔥44Pcs Alloy Nut and Bolt Thread Inspector Charge🔩","description":"\u003cdiv id=\"thread-checker\"\u003e\n\u003cstyle\u003e\n#thread-checker,#thread-checker *{box-sizing:border-box}\n#thread-checker{--ink:#202830;--muted:#69737b;--red:#cf242b;--blue:#165fbd;--soft:#f4f6f8;--line:rgba(32,40,48,.14);width:100%;max-width:100%;margin:0;background:#fff;color:var(--ink);font-family:inherit;line-height:1.65;overflow:hidden}\n#thread-checker img{display:block!important;width:100%!important;max-width:100%!important;height:auto!important;object-fit:contain!important;border:0!important}\n#thread-checker h2,#thread-checker h3,#thread-checker p{margin-top:0}\n#thread-checker h2{margin:0 0 15px;font-size:clamp(30px,4vw,52px);line-height:1.06;letter-spacing:-.04em;font-weight:850;overflow-wrap:anywhere}\n#thread-checker h3{margin:0 0 7px;font-size:20px;line-height:1.3}\n#thread-checker p{margin:0;color:var(--muted);font-size:16px}\n#thread-checker .w{width:min(100% - 28px,1120px);margin:auto}.sec{padding:60px 0}.soft{background:var(--soft)}\n#thread-checker .k{margin-bottom:9px;color:#9f171d;font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}\n#thread-checker .head{max-width:820px;margin:0 auto 30px;text-align:center}\n#thread-checker .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:28px;align-items:center}\n#thread-checker .hero{padding:42px 0 56px;background:radial-gradient(circle at 90% 7%,rgba(22,95,189,.13),transparent 30%),radial-gradient(circle at 7% 8%,rgba(207,36,43,.12),transparent 27%),linear-gradient(135deg,#fff,#f3f5f7)}\n#thread-checker .hero p{max-width:620px;font-size:17px}\n#thread-checker .img,#thread-checker .copy,#thread-checker .card,#thread-checker .size,#thread-checker .variant{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff}\n#thread-checker .img{box-shadow:0 16px 42px rgba(32,45,58,.10)}#thread-checker .copy{padding:30px}\n#thread-checker .badges{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,205px),1fr));gap:10px;margin-top:22px}\n#thread-checker .badge{padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:14px;font-weight:800}\n#thread-checker .strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}\n#thread-checker .stripg{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr))}\n#thread-checker .stripi{padding:18px 12px;text-align:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}\n#thread-checker .stripi strong{display:block;font-size:14px}.stripi span{font-size:12px;color:#74808a}\n#thread-checker .list{margin-top:16px}.item{padding:14px 0;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:0}.item p{font-size:14px}\n#thread-checker .dark{color:#fff;background:linear-gradient(135deg,#161c22,#28323c)}.dark h2,.dark h3{color:#fff}.dark p{color:rgba(255,255,255,.74)}\n#thread-checker .features{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:11px;margin-top:18px}\n#thread-checker .feature{padding:16px;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.06)}\n#thread-checker .feature strong{display:block;color:#fff;font-size:14px}.feature span{font-size:12px;color:rgba(255,255,255,.70)}\n#thread-checker .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:16px}.card div{padding:18px}.card p{font-size:14px}\n#thread-checker .sizes,#thread-checker .variants{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:18px}\n#thread-checker .size{padding:22px}.size.red{border-top:5px solid var(--red)}.size.blue{border-top:5px solid var(--blue)}\n#thread-checker .chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.chip{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#f7f9fa;font-size:11px;font-weight:750}\n#thread-checker .variantcopy{padding:19px}.variantcopy strong{display:block;margin-bottom:5px;font-size:20px}.variantcopy p{font-size:14px}\n#thread-checker .note{margin-top:16px;padding:15px 17px;border-left:4px solid var(--red);border-radius:12px;background:#fff0f1;color:#6d4548;font-size:14px}\n#thread-checker .gif{max-width:440px;margin:auto}.gif img{width:auto!important;max-width:100%!important;margin:auto;border-radius:18px}\n#thread-checker .faq{max-width:850px;margin:auto;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{position:relative;padding:19px 38px 19px 0;font-size:16px;font-weight:780;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:\"+\";position:absolute;right:3px;top:50%;transform:translateY(-50%);color:#9f171d;font-size:24px}details[open] summary:after{content:\"-\"}details p{padding:0 26px 17px 0;font-size:14px}\n#thread-checker .cta{padding:62px 0;text-align:center;color:#fff;background:linear-gradient(rgba(18,27,36,.78),rgba(18,27,36,.86)),url(\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/9456a0289ce409be03490b167adf3e0cfdfd4323.png?v=1786590515\u0026width=1946\") center\/cover}.cta h2{max-width:790px;margin:0 auto 13px;color:#fff}.cta p{max-width:660px;margin:auto;color:rgba(255,255,255,.84)}.btn{margin-top:22px;padding:14px 24px;border:0;border-radius:999px;color:#fff;background:linear-gradient(180deg,#e43a40,#b91f25);font-size:15px;font-weight:900;cursor:pointer}\n@media(max-width:749px){#thread-checker .w{width:min(100% - 20px,1120px)}#thread-checker .sec{padding:44px 0}#thread-checker .hero{padding:30px 0 42px}#thread-checker h2{font-size:32px}#thread-checker h3{font-size:18px}#thread-checker p{font-size:15px}#thread-checker .copy{padding:20px 16px}#thread-checker .grid{gap:18px}}\n\u003c\/style\u003e\n\n\u003csection class=\"hero\"\u003e\u003cdiv class=\"w grid\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"k\"\u003e44-piece SAE + Metric thread identification kit\u003c\/p\u003e\n\u003ch2\u003eStop Guessing Which Nut or Bolt Size You’re Holding\u003c\/h2\u003e\n\u003cp\u003eScrew a fastener onto the matching gauge and identify the thread size in seconds. The 44-piece set covers both inch and metric threads in a portable organized case.\u003c\/p\u003e\n\u003cdiv class=\"badges\"\u003e\n\u003cdiv class=\"badge\"\u003e44 detachable gauges\u003c\/div\u003e\n\u003cdiv class=\"badge\"\u003e23 inch + 21 metric sizes\u003c\/div\u003e\n\u003cdiv class=\"badge\"\u003eRed metric \/ blue inch coding\u003c\/div\u003e\n\u003cdiv class=\"badge\"\u003ePortable storage case\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/a74b27e4f30bdf520a6771a0c197c5a5c3f227eb.jpg?v=1786590515\u0026amp;width=1946\" alt=\"44 piece nut and bolt thread checker set\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003cdiv class=\"strip\"\u003e\u003cdiv class=\"w stripg\"\u003e\n\u003cdiv class=\"stripi\"\u003e\n\u003cstrong\u003e44 Pieces\u003c\/strong\u003e\u003cspan\u003eFull-size checker set\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripi\"\u003e\n\u003cstrong\u003eSAE + Metric\u003c\/strong\u003e\u003cspan\u003eTwo thread systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripi\"\u003e\n\u003cstrong\u003eAluminum Alloy\u003c\/strong\u003e\u003cspan\u003eDurable lightweight gauges\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripi\"\u003e\n\u003cstrong\u003eDetachable\u003c\/strong\u003e\u003cspan\u003eTake one gauge to the job\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\n\u003csection class=\"sec soft\"\u003e\u003cdiv class=\"w grid\"\u003e\n\u003cdiv class=\"gif\"\u003e\u003cimg src=\"https:\/\/cdn.cloudfastcdn.com\/image\/403e6d178569bd66ed60b25aea78d249934a3273.gif\" alt=\"Thread checker being used to identify a fastener\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003cp class=\"k\"\u003eCheck the thread instead of guessing\u003c\/p\u003e\n\u003ch2\u003eScrew It On. Match the Fit. Read the Size.\u003c\/h2\u003e\n\u003cp\u003eThread the nut or bolt onto a matching gauge by hand. A smooth, correct fit helps confirm the size so you can replace missing, damaged or rusted fasteners with more confidence.\u003c\/p\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eFast identification\u003c\/h3\u003e\n\u003cp\u003eCompare similar-looking threads in seconds instead of relying on diameter alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eUseful for fixed hardware\u003c\/h3\u003e\n\u003cp\u003eThe detachable design lets you carry a single gauge to a bolt, threaded hole or tight work area.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eGreat for mixed hardware bins\u003c\/h3\u003e\n\u003cp\u003eSort loose nuts and bolts into labeled compartments after confirming the thread size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec dark\"\u003e\u003cdiv class=\"w grid\"\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/cdn.cloudfastcdn.com\/image\/703d9386e7acd7ed9589e269ba723926f92efe63.jpeg\" alt=\"Thread checker detail showing aluminum construction clear markings and storage case\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"k\" style=\"color:#9bc6ff\"\u003eBuilt for repeat shop and garage use\u003c\/p\u003e\n\u003ch2\u003eClear Markings, Color Coding and a Case That Keeps Every Gauge in Place\u003c\/h2\u003e\n\u003cp\u003eRed gauges identify metric sizes and blue gauges identify inch sizes. Clear markings make each piece easier to read, while the fitted foam case gives every gauge a dedicated position.\u003c\/p\u003e\n\u003cdiv class=\"features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cstrong\u003eAluminum construction\u003c\/strong\u003e\u003cspan\u003eLightweight metal gauges for regular use.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cstrong\u003eUniform thread spacing\u003c\/strong\u003e\u003cspan\u003eDesigned for direct size verification.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cstrong\u003eClear markings\u003c\/strong\u003e\u003cspan\u003eRead the size directly on the gauge.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cstrong\u003ePortable case\u003c\/strong\u003e\u003cspan\u003eCarry the full kit without loose pieces.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec\"\u003e\u003cdiv class=\"w grid\"\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/cdn.cloudfastcdn.com\/image\/3e287410bd543b04b52acbcfb1a4e9c81a5e1c8f.jpg\" alt=\"Three ways to read thread sizes\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003cp class=\"k\"\u003eThree clear ways to read the size\u003c\/p\u003e\n\u003ch2\u003eFind the Marking on the Gauge, Foam Position or Lid Chart\u003c\/h2\u003e\n\u003cp\u003eSize information is repeated around the kit so you can confirm a gauge quickly while working.\u003c\/p\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eDouble-side etched gauge\u003c\/h3\u003e\n\u003cp\u003eEach detachable piece carries its own size marking for quick reference away from the case.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003ePrinted foam position\u003c\/h3\u003e\n\u003cp\u003eThe storage slot is labeled so the correct gauge returns to the correct place.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eLid reference chart\u003c\/h3\u003e\n\u003cp\u003eThe case lid groups the included metric and inch sizes for an at-a-glance overview.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec soft\"\u003e\u003cdiv class=\"w\"\u003e\n\u003cdiv class=\"head\"\u003e\n\u003cp class=\"k\"\u003e44-piece size coverage\u003c\/p\u003e\n\u003ch2\u003e23 Inch Sizes + 21 Metric Sizes in One Case\u003c\/h2\u003e\n\u003cp\u003eUse the color coding to move quickly between SAE and metric hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"img\" style=\"max-width:900px;margin:auto\"\u003e\u003cimg src=\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/b0d1b6eca3f28c18056a749d67efe3d2da53dddb.png?v=1786590515\u0026amp;width=1946\" alt=\"44 piece thread checker size coverage\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"sizes\" style=\"margin-top:20px\"\u003e\n\u003cdiv class=\"size blue\"\u003e\n\u003ch3\u003eBlue — 23 Inch \/ SAE Sizes\u003c\/h3\u003e\n\u003cdiv class=\"chips\"\u003e\n\u003cspan class=\"chip\"\u003e6-32\u003c\/span\u003e\u003cspan class=\"chip\"\u003e6-40\u003c\/span\u003e\u003cspan class=\"chip\"\u003e8-32\u003c\/span\u003e\u003cspan class=\"chip\"\u003e10-24\u003c\/span\u003e\u003cspan class=\"chip\"\u003e10-32\u003c\/span\u003e\u003cspan class=\"chip\"\u003e1\/4-20\u003c\/span\u003e\u003cspan class=\"chip\"\u003e1\/4-28\u003c\/span\u003e\u003cspan class=\"chip\"\u003e5\/16-18\u003c\/span\u003e\u003cspan class=\"chip\"\u003e5\/16-24\u003c\/span\u003e\u003cspan class=\"chip\"\u003e3\/8-16\u003c\/span\u003e\u003cspan class=\"chip\"\u003e3\/8-24\u003c\/span\u003e\u003cspan class=\"chip\"\u003e7\/16-14\u003c\/span\u003e\u003cspan class=\"chip\"\u003e7\/16-20\u003c\/span\u003e\u003cspan class=\"chip\"\u003e1\/2-13\u003c\/span\u003e\u003cspan class=\"chip\"\u003e1\/2-20\u003c\/span\u003e\u003cspan class=\"chip\"\u003e9\/16-12\u003c\/span\u003e\u003cspan class=\"chip\"\u003e9\/16-18\u003c\/span\u003e\u003cspan class=\"chip\"\u003e5\/8-11\u003c\/span\u003e\u003cspan class=\"chip\"\u003e5\/8-18\u003c\/span\u003e\u003cspan class=\"chip\"\u003e3\/4-10\u003c\/span\u003e\u003cspan class=\"chip\"\u003e3\/4-16\u003c\/span\u003e\u003cspan class=\"chip\"\u003e1-8\u003c\/span\u003e\u003cspan class=\"chip\"\u003e1-12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size red\"\u003e\n\u003ch3\u003eRed — 21 Metric Sizes\u003c\/h3\u003e\n\u003cdiv class=\"chips\"\u003e\n\u003cspan class=\"chip\"\u003eM3×0.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM4×0.7\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM5×0.8\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM6×1.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM7×1.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM8×1.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM8×1.25\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM10×1.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM10×1.25\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM10×1.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM12×1.25\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM12×1.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM12×1.75\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM14×1.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM14×2.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM16×1.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM16×2.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM20×1.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM20×2.5\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM24×2.0\u003c\/span\u003e\u003cspan class=\"chip\"\u003eM24×3.0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec\"\u003e\u003cdiv class=\"w grid\"\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/07126e1b55ac280936e8eb969b09e6b02989454b.png?v=1786590515\u0026amp;width=1946\" alt=\"Nut and bolt being checked on thread gauges\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003cp class=\"k\"\u003eMade for quick comparisons\u003c\/p\u003e\n\u003ch2\u003eEspecially Useful When Inch and Metric Threads Look Almost the Same\u003c\/h2\u003e\n\u003cp\u003eSimilar diameters can hide different pitches. Testing the fastener directly against the gauge helps separate near-matching SAE and metric threads before you install the wrong replacement.\u003c\/p\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eCheck nuts\u003c\/h3\u003e\n\u003cp\u003eUse the male-thread end to identify a loose nut.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eCheck bolts\u003c\/h3\u003e\n\u003cp\u003eUse the matching female-thread gauge to verify a bolt or screw.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003ch3\u003eCheck tight locations\u003c\/h3\u003e\n\u003cp\u003eRemove only the gauge you need instead of carrying the whole set into the work area.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec dark\"\u003e\u003cdiv class=\"w\"\u003e\n\u003cdiv class=\"head\"\u003e\n\u003cp class=\"k\" style=\"color:#9bc6ff\"\u003eTurn a random hardware pile into usable inventory\u003c\/p\u003e\n\u003ch2\u003eIdentify First, Then Sort Your Nuts and Bolts by Actual Thread Size\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"img\" style=\"max-width:900px;margin:auto\"\u003e\u003cimg src=\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/9456a0289ce409be03490b167adf3e0cfdfd4323.png?v=1786590515\u0026amp;width=1946\" alt=\"Before and after hardware organization\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cards\" style=\"margin-top:18px\"\u003e\n\u003carticle class=\"card\"\u003e\u003cdiv\u003e\n\u003ch3\u003eGarage Hardware\u003c\/h3\u003e\n\u003cp\u003eSort drawers, bins and cans of mixed fasteners into usable groups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv\u003e\n\u003ch3\u003eRepair Work\u003c\/h3\u003e\n\u003cp\u003eConfirm a missing or damaged fastener size before choosing a replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv\u003e\n\u003ch3\u003eWorkshop Inventory\u003c\/h3\u003e\n\u003cp\u003eLabel compartments accurately and spend less time re-checking loose hardware later.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec soft\"\u003e\u003cdiv class=\"w\"\u003e\n\u003cdiv class=\"head\"\u003e\n\u003cp class=\"k\"\u003eChoose the coverage you need\u003c\/p\u003e\n\u003ch2\u003eAvailable in 44-Piece and 26-Piece Sets\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"variants\"\u003e\n\u003carticle class=\"variant\"\u003e\u003cimg src=\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/8133851ce56618bf716e914630f5ca928e87a2a1.png?v=1786590515\u0026amp;width=1946\" alt=\"44 piece thread checker kit\" loading=\"lazy\"\u003e\u003cdiv class=\"variantcopy\"\u003e\n\u003cstrong\u003e44Pcs — Expanded Coverage\u003c\/strong\u003e\u003cp\u003eIncludes 23 inch sizes and 21 metric sizes for a broader workshop range.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003carticle class=\"variant\"\u003e\u003cimg src=\"https:\/\/smileadyshop.com\/cdn\/shop\/files\/485b7f5cbe614caa7ef7f76609d3f47f8b2e57a6.jpg?v=1786590515\u0026amp;width=1946\" alt=\"26 piece thread checker kit\" loading=\"lazy\"\u003e\u003cdiv class=\"variantcopy\"\u003e\n\u003cstrong\u003e26Pcs — Core Everyday Sizes\u003c\/strong\u003e\u003cp\u003eIncludes 14 inch sizes and 12 metric sizes for many common household, automotive and garage fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"note\" style=\"max-width:900px;margin:18px auto 0\"\u003eChoose 26Pcs or 44Pcs on the product page before adding to cart.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"sec\"\u003e\u003cdiv class=\"w\"\u003e\n\u003cdiv class=\"head\"\u003e\n\u003cp class=\"k\"\u003eFAQ\u003c\/p\u003e\n\u003ch2\u003eGood to Know Before Ordering\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I identify a thread size?\u003c\/summary\u003e\u003cp\u003eThread the nut or bolt onto a matching gauge by hand. The correct size should engage smoothly without forcing the threads.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the 44-piece set include both metric and SAE?\u003c\/summary\u003e\u003cp\u003eYes. It includes 23 inch\/SAE sizes and 21 metric sizes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat do the colors mean?\u003c\/summary\u003e\u003cp\u003eBlue identifies inch\/SAE gauges and red identifies metric gauges.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eAre the gauges detachable?\u003c\/summary\u003e\u003cp\u003eYes. Remove one gauge and carry it to a fixed bolt, threaded hole or tight work area.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat material are the gauges made from?\u003c\/summary\u003e\u003cp\u003eThe gauges are aluminum alloy; the detailed product graphic identifies 6061 aluminum.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between 26Pcs and 44Pcs?\u003c\/summary\u003e\u003cp\u003eThe 26-piece version covers 14 inch sizes and 12 metric sizes. The 44-piece version expands coverage to 23 inch sizes and 21 metric sizes.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"cta\"\u003e\u003cdiv class=\"w\"\u003e\n\u003cp class=\"k\" style=\"color:#9bc6ff\"\u003eCheck it once. Label it correctly. Find it faster next time.\u003c\/p\u003e\n\u003ch2\u003eGive Every Random Nut and Bolt in Your Shop a Known Size\u003c\/h2\u003e\n\u003cp\u003eA portable SAE and metric thread-checking system for repairs, sorting, replacement fasteners and everyday workshop organization.\u003c\/p\u003e\n\u003cbutton class=\"btn\" type=\"button\" id=\"tc-btn\"\u003eChoose 26Pcs or 44Pcs\u003c\/button\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003cscript\u003e\n(function(){var b=document.getElementById('tc-btn');if(!b)return;b.addEventListener('click',function(){var t=document.querySelector('product-form')||document.querySelector('form[action*=\"\/cart\/add\"]')||document.querySelector('.product-form')||document.querySelector('[data-product-form]');if(t){t.scrollIntoView({behavior:'smooth',block:'center'});}else{window.scrollTo({top:0,behavior:'smooth'});}});})();\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"smileadyshop","offers":[{"title":"44Pcs","offer_id":52315406663970,"sku":"SZ04492608131967-44件套螺丝规铝制 蓝色红色","price":89.99,"currency_code":"USD","in_stock":true},{"title":"26Pcs","offer_id":52315406696738,"sku":"SZ04492608131967-26孔 铝制 红蓝色","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/4071\/0178\/files\/a74b27e4f30bdf520a6771a0c197c5a5c3f227eb.jpg?v=1786590515","url":"https:\/\/smileadyshop.com\/products\/44pcs-alloy-nut-and-bolt-thread-inspector-charge-free-thread-gauge-metric-and-sae-size-identification-tool-for-inspection-of-fixed-bolts-or-threaded-holes","provider":"smileadyshop","version":"1.0","type":"link"}