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New Type SMTPFLSM™ surface mount spring-loaded panel fastener provides ease of installation and high precision positioning without loose hardware. It mounts on P.C. boards in the same manner and at the same time as other surface mount components prior to the automated reflow solder process. This alleviates concerns aboutpotential damage to P.C. boards due to improper secondaryinstallation operations. These fasteners are provided on tape andreel compatible with existing SMT automated installation equipment.
Features and Benefits- All metal captive screw assemblyinstalls in one piece utilizing pick andplace method
- Combination drive, Torx®/slot
- Solderable finish
- Screw length code “0” retracts flush inup position
- Ease of installation
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Thread Size
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.138-32 (#6-32)
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Type
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SMTPFLSM
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Thread Code
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632
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Screw Length Code
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1
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A (Shank) Max.
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.063 in
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Min. Sheet Thickness
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.063 in
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C Max.
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.247 in
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E1 ± .010
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.310 in
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E2 Nom.
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.320 in
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G1 ± .025
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.100 in
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G2 ± .025
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.300 in
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H ± .010
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.100 in
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T1 Nom.
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.42 in
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T2 Nom.
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.62 in
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øK - Hole Size in Sheet + .003 - .000
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.252 in
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øD - Min. Solder Pad
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.400 in
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Driver Size
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T15
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Number of Parts per Reel
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150
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Thread Specification1
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ASME B1.1, 2A
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Material Retainer
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Carbon Steel
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Material Screw
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Hardened Carbon Steel
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Material Spring
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300 Series Stainless Steel
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Finish Retainer
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Electro-plated Tin ASTM B545, Class A with Preservative Coating, Annealed
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Finish Screw
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Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
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Finish Spring
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Natural Finish
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CAD View
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Fastened
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CAD Supplier
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PennEngineering® (PEM®)
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1 As with all Class 2A/6g external threads with an additive finish, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, paragraph 8.2.
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