{"id":2919,"date":"2025-09-05T13:29:31","date_gmt":"2025-09-05T13:29:31","guid":{"rendered":"https:\/\/pennaero.com\/monogram\/?post_type=trm_product_page&#038;p=2919"},"modified":"2025-12-09T00:54:21","modified_gmt":"2025-12-09T00:54:21","slug":"maf-fastening-system","status":"publish","type":"trm_product_page","link":"https:\/\/pennaero.com\/monogram\/products\/maf-fastening-system\/","title":{"rendered":"MAF Fastening System"},"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\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/header-maf-fasteners.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>MAF Fastening System<\/h1>\n  \n    <div class=\"text-container\">\n    <p>Controlled preload fastening for softcore and honeycomb materials<\/p>\n  <\/div>\n  \n  <div class=\"buttons\">\n        <a class=\"button button-primary button-one\" href=\"https:\/\/pennaeroaerospace2025.kinsta.cloud\/allfast-inc\/about-us\/\" target=\"_self\">About Us<\/a>\n    \n      <\/div>\n<\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"key-features\" 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\">\n  <div class=\"acf-innerblocks-container\">\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-left has-medium-font-size wp-block-paragraph\">The MAF Fastening System provides an adjustable preload solution for fastening materials sensitive to high bearing stresses such as soft core foam panels and composite or metallic sandwich panels.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-1-color has-text-color has-link-color wp-elements-1\">Key Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Available in flush and protruding head combinations<\/li>\n\n\n\n<li>Shear and tension heads available<\/li>\n\n\n\n<li>Available in Alloy Steel, A286 CRES, Inco-718 and Titanium<\/li>\n\n\n\n<li>Positive mechanical lock<\/li>\n\n\n\n<li>Oversize availability<\/li>\n<\/ul>\n<\/div>\n\n<\/div><\/div>\n\n\n\n<div style=\"height:64px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"grid-wrap grid-3-columns\">\n  <div class=\"acf-innerblocks-container\">\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/09\/product-maf-pin-fastener-01.jpg.webp\" alt=\"\" class=\"wp-image-2973\" srcset=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/product-maf-pin-fastener-01.jpg.webp 750w, https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/product-maf-pin-fastener-01.jpg-300x200.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/09\/product-maf-pin-fastener-02.jpg.webp\" alt=\"\" class=\"wp-image-2974\" srcset=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/product-maf-pin-fastener-02.jpg.webp 750w, https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/product-maf-pin-fastener-02.jpg-300x200.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/09\/product-maf-pin-fastener-03b.jpg.webp\" alt=\"\" class=\"wp-image-2975\" srcset=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/product-maf-pin-fastener-03b.jpg.webp 750w, https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/product-maf-pin-fastener-03b.jpg-300x200.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"find-a-distributor\" class=\"section   has-background-image\" style=\"background: linear-gradient(270deg, rgba(10, 10, 10, 0.00) 0%, #0a0a0a 100%), url(https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/header-maf-fasteners.jpg) lightgray center\/cover no-repeat;\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"grid-wrap grid-2-columns\">\n  <div class=\"acf-innerblocks-container\">\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-white-color has-text-color has-link-color has-large-font-size wp-elements-2\">Find a Distributor<\/h2>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-3 wp-block-paragraph\">Use the link to find an authorized Monogram Aerospace Fasteners distributor near you.<\/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\">Find a Distributor<\/a><\/div>\n<\/div>\n<\/div>\n\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/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=\"flex-wrap flex-1-column align-items-center container-width-md\">\n  <div class=\"acf-innerblocks-container\">\n\n<h2 class=\"wp-block-heading has-1-color has-text-color has-link-color wp-elements-4\">Adjustable Preload Fastening for soft core materials<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The MAF Fastening System provides a simple, straightforward solution for fastening materials that are sensitive to high clamping loads. This three-piece system, consisting of a fine pitch threaded pin, sleeve, and locking collar, provides precise controlled clamp-up of materials such as composite sandwich panels, soft core foam panels, metallic sandwich panels, or other materials that may be sensitive to high bearing stresses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because the threaded sleeve is \u00e2\u20ac\u0153free-running\u00e2\u20ac\u009d (void of prevailing torque-type locking devices) installation torque values can be precisely adjusted to yield the controlled clamping force required by the joint design specification for the structure. A unique positive mechanical lock, independently installed after the torquing operation, makes the fastener ideal for use in vibration and F.O.D. critical applications. The slight protrusion of the pin after installation may be shaved with conventional shaving tools to provide optimal flushness on aerodynamic surfaces. These features combine to make the MAF ideally suited to the soft core or honeycomb panels used in engine nacelles, fairings, control surfaces etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The MAF Fastening System is available in three configurations; full shank, reduced shank diameter and variable grip. Each functions in a 1\/16\u00e2\u20ac\u00b3 grip range, is available with protruding heads, a protruding\/flush combination, or a double flush (flush sleeve and flush pin) configuration and is manufactured in 11\/64\u00e2\u20ac\u00b3 through 21\/64\u00e2\u20ac\u00b3 nominal diameters with 1st and 2nd oversize availability. Four different materials: 8740 alloy steel, A-286 CRES steel, Inconel-718, and 6AL-4V titanium alloy, provide shear strengths of 95 KSI and 108 KSI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Monogram\u00e2\u20ac\u2122s adjustable preload MAF Fastening System is comparable to the Alcoa ASP\u00c2\u00ae Fastening System. For more information on compatibility and interchangeability please <a href=\"https:\/\/trsaero.com\/monogramaerospace\/contact-monogram-aerospace\/\">contact Monogram Aerospace Fasteners<\/a>.<\/p>\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<h2 class=\"wp-block-heading has-1-color has-text-color has-link-color wp-elements-5\">Typical Installation Sequence<\/h2>\n\n\n\n<div class=\"grid-wrap grid-2-columns gap-lg\">\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=\"wp-block-paragraph\"><strong>Step 1: <\/strong>From one side of the material to be fastened, insert the pin into the prepared hole, then place the threaded sleeve over the pin, threading it onto the pin. Using a special driver to engage the slot on the sleeve, tighten the sleeve to a predetermined torque based on the desired compression of the joint\/material. Exercise care not to overtorque the sleeve, as this may cause damage to the soft core material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 2:<\/strong> Remove the sleeve driver and place the locking collar over the pintail, positioning it in the conical recess of the sleeve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 3:<\/strong> Place the installation tool\u00e2\u20ac\u2122s nose assembly completely over the pin protrusion so as to contact the lock ring while engaging the pin\u00e2\u20ac\u2122s pulling grooves. Activation of the installation tool forces the lock ring into the conical recess of the sleeve, as well as the threads on the pin. Helical splines on the pin thread assist in providing a secure anti-rotational mechanical lock.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 4:<\/strong> With the lock now set, the installation tool forces build and fracture the pintail at the break groove. The installation load is absorbed entirely by the fastener, with no effect on the materials being joined. The remaining pin protrusion may be shaved to meet aerodynamic flushness requirements.<\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"384\" height=\"277\" src=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/09\/MAF_pin_fasteners_installation_steps02.png.webp\" alt=\"\" class=\"wp-image-2976\" srcset=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/MAF_pin_fasteners_installation_steps02.png.webp 384w, https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/17\/2025\/09\/MAF_pin_fasteners_installation_steps02.png-300x216.webp 300w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/figure>\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<h2 class=\"wp-block-heading\">Additional Resources<\/h2>\n\n\n\n<div class=\"flex-wrap flex-2-columns gap-lg\">\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<div class=\"wp-block-buttons is-vertical is-layout-flex wp-container-core-buttons-is-layout-ab686fcb 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\/monogram\/contact-us\/\">Request for Information<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-a5bf61a5 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-e3d9716f wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"32\" height=\"32\" src=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/09\/icon-adobe-pdf.png.webp\" alt=\"\" class=\"wp-image-2935\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/12\/MAF3000_Procurement_Specification_MAF_and_DMF.pdf\" data-type=\"link\" data-id=\"https:\/\/pennaero.com\/monogram\/wp-content\/uploads\/sites\/3\/2025\/12\/MAF3000_Procurement_Specification_MAF_and_DMF.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">MAF3000 Procurement Specification for the MAF Fastening System<\/a><\/strong><\/p>\n<\/div>\n<\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"template":"","class_list":["post-2919","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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