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SpotFast® Fasteners

SpotFast® Fasteners
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SPOTFAST® FASTENERS BULLETIN SF 512

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SPOTFAST® FASTENERS Allows permanent joining in metal to metal and metal to PCB/plastic panels • • • • • • • Alternative to riveting and spot welding. No special installation equipment required. Flush or subflush on both sides. Minimal space requirements. No countersinking or other hole treatment required. Can be installed blind into bottom (panel 2) sheet. Can be concealed with paints and powder coatings. SpotFast fasteners shown actual size. The PEM® SpotFast® self-clinching fastener creates a permanent, flush joining of two sheets. The RoHScompliant fasteners install smooth with the top...

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SPOTFAST® FASTENERS SPOTFAST® FASTENER SELECTOR GUIDE (1) Not primary use. Can be used as hinge point if required. Type SF fastener installed into unequal thickness sheets. Fastener is smooth with top of panel 1. Type SF fastener installed sub-flush with panel 2. Fastener will be flush at minimum sheet thickness. attached to thicker sheets using a PEM® SpotFast® fastener. The thin sheet must be panel 1 and the "L" dimension must be equal to or less than the combined panel HINGING APPLICATIONS Type SFW fastener offers flush- mounted, smooth pivot point. Type SFK fastener joining

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SPOTFAST® FASTENERS MATERIAL AND FINISH SPECIFICATIONS (1) See PEM Technical Support section of our web site for related plating standards and specifications. (2) HRB - Hardness Rockwell "B" Scale. HB - Hardness Brinell. Step 1. Prepare properly sized mounting hole in both panels. Do not perform any secondary operations such as deburring. If the hole is punched, be sure to install fastener into punched side of hole. Step 2. Place Panel 2 with smaller mounting hole on anvil and align Panel 1 mounting hole with the mounting hole of Panel 2. Place the smaller diameter end of the fastener...

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SPOTFAST® FASTENERS INSTALLATION (Continued) Figure SFK-1 TYPE SFK Step 1. Prepare properly sized mounting hole in both panels. Do not perform any secondary operations such as deburring. If the hole is punched, be sure to install fastener into punched side of hole. Step 2. Using only Panel 1, with the punch and anvil surfaces parallel, apply squeezing force until the fastener is flush with the top of Panel 1. (See figure SFK-1). Step 3. Place Panel 2 over fastener and apply squeezing force. (See figure SFK-2). Punch Panel 1 Metal Anvil Figure SFK-2 C Anvil Dimensions Size C +0.08/+.003 (mm)...

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SPOTFAST® FASTENERS (1) The values reported are averages when all installation specifications and procedures are followed. Variations in mounting hole size, sheet material, and installation procedure will affect results. Performance testing of this product in your application is recommended. We will be happy to provide samples for this purpose or perform the installation for you. (2) In most applications, pullout strength of the SFK fastener in Panel 1 exceeds pushout strength of Panel 2. PEM® "dimple" RoHS compliance information can be found on our website. Specifications subject to change...

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