{"id":749,"date":"2026-03-08T01:29:51","date_gmt":"2026-03-08T01:29:51","guid":{"rendered":"https:\/\/pennaero.com\/tfi-aero\/?post_type=trm_product_page&#038;p=749"},"modified":"2026-03-08T01:29:51","modified_gmt":"2026-03-08T01:29:51","slug":"self-locking-nuts","status":"publish","type":"trm_product_page","link":"https:\/\/pennaero.com\/tfi-aero\/products\/self-locking-nuts\/","title":{"rendered":"Self-Locking Nuts"},"content":{"rendered":"\n<section id=\"\" class=\"section padding-vertical-md  has-background-image\" style=\"background: linear-gradient(270deg, rgba(10, 10, 10, 0.00) 0%, #0a0a0a 100%), url(https:\/\/pennaero.com\/tfi-aero\/wp-content\/uploads\/sites\/19\/2026\/03\/Frame-1244830017-3.jpg) lightgray center\/cover no-repeat;\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"hero  \">\n    <h1>Self-Locking Nuts<\/h1>\n  \n    <div class=\"text-container\">\n    <p>Self-locking and free-spinning nut configurations engineered for vibration-prone assemblies.<\/p>\n  <\/div>\n  \n  <div class=\"buttons\">\n        <a class=\"button button-primary button-one\" href=\"https:\/\/pennaero.com\/tfi-aero\/contact-us\/\" target=\"_self\">Contact Us<\/a>\n    \n        <a class=\"button button-secondary button-two button-outline\" href=\"https:\/\/pennaero.com\/tfi-aero\/our-products\/\" target=\"_self\">All Products<\/a>\n      <\/div>\n<\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  background-color-none\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"grid-wrap grid-2-columns grid-55-45 gap-xl\">\n  <div class=\"acf-innerblocks-container\">\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-ab686fcb wp-block-group-is-layout-flex\">\n<p class=\"has-large-font-size wp-block-paragraph\">TFI manufactures commercial self-locking nuts designed to provide secure fastening performance in applications subject to vibration and dynamic loading. Components are cold formed, tapped, and processed under controlled conditions to support dimensional accuracy and consistent locking performance. <\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">Production supports MS standards and customer-specific requirements across aerospace-adjacent, transportation, and industrial markets.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-ab686fcb wp-block-group-is-layout-flex\">\n<h2 class=\"wp-block-heading\">Key Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Self-locking and free-spinning configurations<\/strong><\/li>\n\n\n\n<li><strong>Hex and double-hex styles available<\/strong><\/li>\n\n\n\n<li><strong>Cold-formed construction for dimensional control<\/strong><\/li>\n\n\n\n<li><strong>Controlled tapping and threading processes<\/strong><\/li>\n\n\n\n<li><strong>Stainless and alloy material options<\/strong><\/li>\n\n\n\n<li><strong>High-volume manufacturing capability<\/strong><\/li>\n<\/ul>\n<\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  background-color-white\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"grid-wrap grid-2-columns grid-55-45 gap-xl\">\n  <div class=\"acf-innerblocks-container\">\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-ab686fcb wp-block-group-is-layout-flex\">\n<h2 class=\"wp-block-heading\">Available Configurations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TFI provides commercial T-bolts in a range of dimensional and material options designed to meet application-specific demands.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Styles: <\/strong>Hex, double-hex, flange<\/li>\n\n\n\n<li><strong>Locking designs: <\/strong>Slotted and elliptical<\/li>\n\n\n\n<li><strong>Diameter range: <\/strong>\u00bc\u201d through 5\/16\u201d<\/li>\n\n\n\n<li><strong>MS standard <\/strong>part coverage<\/li>\n\n\n\n<li><strong>Customer-defined <\/strong>geometries and tolerances<\/li>\n\n\n\n<li><strong>Custom <\/strong>head styles and shank lengths<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">All configurations are produced under controlled manufacturing processes to ensure consistent locking characteristics and repeatable performance.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"product-card \">\n  <!-- We want to wrap image in link, if link exists -->\n        \n    <div class=\"card-body\">\n          <div class=\"card-title\">\n      <h2>Elliptical<\/h2>\n    <\/div>\n    \n        <div class=\"card-description\">\n      <p>MS21046C4E<br \/>\nMS21046C5E<br \/>\nMS20500-428E<br \/>\nMS20500-524E<\/p>\n    <\/div>\n      <\/div>\n  \n  <div class=\"card-footer\">\n      <\/div>\n<\/div>\n\n\n\n<div class=\"product-card \">\n  <!-- We want to wrap image in link, if link exists -->\n        \n    <div class=\"card-body\">\n          <div class=\"card-title\">\n      <h2>Trunnions<\/h2>\n    <\/div>\n    \n        <div class=\"card-description\">\n      <p>Saddle Trunnion<br \/>\nTrunnion Machined<br \/>\nTrunnion, Cold Headed<br \/>\nTrunnion Forging<\/p>\n    <\/div>\n      <\/div>\n  \n  <div class=\"card-footer\">\n      <\/div>\n<\/div>\n<\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  background-color-none\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"grid-wrap grid-2-columns grid-55-45 gap-xl\">\n  <div class=\"acf-innerblocks-container\">\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-ab686fcb wp-block-group-is-layout-flex\">\n<h2 class=\"wp-block-heading\">Sizes And Materials<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TFI produces commercial T-bolts in standard imperial and metric configurations. Materials are chosen to support durability, corrosion resistance, and application-specific performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Materials<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A286<\/li>\n\n\n\n<li>302 stainless<\/li>\n\n\n\n<li>347 stainless<\/li>\n\n\n\n<li>300 \/ 400 series stainless<\/li>\n\n\n\n<li>Alloy steel<\/li>\n<\/ul>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"490\" src=\"https:\/\/pennaero.com\/tfi-aero\/wp-content\/uploads\/sites\/19\/2026\/03\/MAF_pin_fasteners_installation_steps02.png-1-3.png\" alt=\"\" class=\"wp-image-733\" srcset=\"https:\/\/pennaero.com\/tfi-aero\/wp-content\/uploads\/sites\/19\/2026\/03\/MAF_pin_fasteners_installation_steps02.png-1-3.png 490w, https:\/\/pennaero.com\/tfi-aero\/wp-content\/uploads\/sites\/19\/2026\/03\/MAF_pin_fasteners_installation_steps02.png-1-3-300x300.png 300w, https:\/\/pennaero.com\/tfi-aero\/wp-content\/uploads\/sites\/19\/2026\/03\/MAF_pin_fasteners_installation_steps02.png-1-3-150x150.png 150w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  has-background-image\" style=\"background: linear-gradient(270deg, rgba(10, 10, 10, 0.00) 0%, #0a0a0a 100%), url(https:\/\/pennaero.com\/tfi-aero\/wp-content\/uploads\/sites\/19\/2026\/03\/6fffb1299aadaaf5fc6211185b2193c3e3d1fb67-scaled.jpeg) lightgray center\/cover no-repeat;\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"flex-wrap flex-1-column gap-md container-width-sm\">\n  <div class=\"acf-innerblocks-container\">\n\n<h2 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-1\">Put Our Capabilities to Work<\/h2>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\">Work with TFI to deliver fastening solutions engineered for vibration resistance, dimensional precision, and reliable program supply.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/pennaero.com\/tfi-aero\/contact-us\/\">Contact Us<\/a><\/div>\n<\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"template":"","class_list":["post-749","trm_product_page","type-trm_product_page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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