K 1015
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FASTENERS FOR USE WITH PC BOARDS

FASTENERS FOR USE WITH PC BOARDS No matter how sophisticated or advanced, electronic components must be attached reliably and securely if they are to deliver optimum performance. We offer several fastener products for use with PC boards to satisfy component-toboard, board-to-board, and board-to-chassis attachment needs. ReelFast® surface mount fasteners mount on PC boards in the same manner and at the same time as other surface mount components prior to the automated reflow solder process. The fasteners simply become another board component. This alleviates concerns about potential damage...

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FASTENERS FOR USE WITH PC BOARDS NOTE ABOUT PLATED THRU-HOLES Broaching and broach/flare types are designed for unplated thru-hole applications. If used in plated thru-hole applications, the stresses involved can damage the plating, push out the plating entirely, or break any traces inside the board that might be connected to the plated hole. Increasing the mounting hole size +.005” to +.008” /+0.13 to +0.2 may relieve these conditions. In non-plated thru-holes this will also help when delamination, measeling or crazing is evident after installation. When none of the above can be tolerated,...

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FASTENERS FOR USE WITH PC BOARDS TYPES SMTSO/SMTSOB ReelFast® SURFACE MOUNT NUTS AND SPACERS/STANDOFFS Type SMTSO Type SMTSOB Two Groove (Registered Trademark) Two Groove (Registered Trademark) Double Notch (Registered Trademark) Metric -1 length not marked Solder Pad Plated through hole not required. Stencil Masking Examples Type Length Code “L” ±.005 Thread or (Length code in 32nds of an inch) Fastener Material Thru Hole Steel Brass Code .062 .125 .250 .375 SMTSO — ØH Hole Size ØD In Sheet Min. Solder +.003 –.000 Pad Type Thread Thru Hole Thread or Min. E ØH Hole Size ØD Length Code “L”...

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FASTENERS FOR USE WITH PC BOARDS TYPES KF2 AND KFS2 BROACHING NUTS PART NUMBER DESIGNATION KFS2 – 832 KF2 – 832 – ET Two Groove (Registered Trademark) Finish Code Thread Code Thread Code Hole Size In Sheet +.003 –.000 Min. Dist. HoleC/L To Edge Thread Code Hole Size In Sheet +0.08 Min. Dist. HoleC/L To Edge Thread Size Carbon Steel Stainless Steel Thread Size x Pitch Carbon Steel Stainless Steel PennEngineering • www.pe

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FASTENERS FOR USE WITH PC BOARDS TYPES KFE AND KFSE BROACHING STANDOFFS PART NUMBER DESIGNATION KFSE – 632 – 12 KFE – 632 – 12 ET Thread Size Thread or Thru Carbon Stainless Hole Code Steel Steel Length Code Thread or Thru Hole Code E Length “L” ±.005 (Length Code is in 32nds of an inch) Two Groove (Registered Trademark) Min. E Dist. ±.005 HoleC/L To Edge “F” Minimum Thread Length (Where Applicable) A Min. Hole Size (Shank) Sheet In Sheet C Max. Thick- +.003 –.000 ±.003 ness Thread Size x Pitch Thread or Thru Carbon Stainless Hole Code Steel Steel A Min. (Shank) Sheet Max. Thickness Length...

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FASTENERS FOR USE WITH PC BOARDS TYPE KSSB BROACHING SNAP-TOP® STANDOFFS H PART NUMBER DESIGNATION KSSB – 156 – 12 Top Board Mounting Hole Diameter Code Length Code Length “L” ±.005 Top Board Mounting (Length Code is in 32nds of an inch) Type Hole B C H P T Diameter ±.005 .250 .312 .375 .437 .500 .562 .625 .750 .875 1.00 ±.005 ±.003 ±.005 ±.005 Code KSSB Top Board Mounting Length “L” ±0.13 Type Hole B C H P T (Length Code is in millimeters) Diameter ±0.13 ±0.08 ±0.13 ±0.13 ±0.13 Code KSSB TYPE KSSB APPLICATION DATA PANEL 1 (BOTTOM) Location Tolerance Bottom Mounting Hole B +.003 -.000 Panel...

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FASTENERS FOR USE WITH PC BOARDS ReelFast® SURFACE MOUNT CAPTIVE PANEL SCREWS Dimples on head designate metric thread. Torx /slot driver size. ® PART NUMBER DESIGNATION SMTPF LS Type Driver Anti-cross Thread Length Thread Code Code Feature Two Groove (Registered Trademark) Plated through hole not required. NUMBER OF PARTS PER REEL Thread Screw Length Code Size -0 -1 Packaged on 330 mm recyclable reels. Tape width is 24 mm. Supplied with polyimide patch for vacuum pick up. Reels conform to EIA-481.

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FASTENERS FOR USE WITH PC BOARDS ReelFast® SURFACE MOUNT CAPTIVE PANEL SCREWS Patented. When Assembled Spring action of plastic “fingers” holds screw in retracted position. Screw Part Number Assembly Dimensions Screw Retainer Thread Thread Length Part G Size Type Code Code Number ± .025 0 .188 .112-40 PSHP 440 SMTPR-6-1 (#4-40) 1 .248 .138-32 PSHP (#6-32) Screw Dimensions Retainer Dimensions Total A Min. Radial C1 E1 L T (Shank) Sheet B C E R Float ±.010 ±.010 ±.015 Nom. Max. Thick. ±.003 Max. Nom. ±.005 Screw Part Number Assembly Dimensions Thread Size x Pitch Screw Retainer Thread Length...

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FASTENERS FOR USE WITH PC BOARDS TYPE PFK BROACHING CAPTIVE PANEL SCREWS Blue plastic retaining ring* (Trademark) PART NUMBER DESIGNATION PFK – 632 – 62 Thread Size Code Diagonal knurl identifies metric thread sizes Shoulder provides positive stop during installation. Screw Length Code Shown here with self-clinching mating nut Thread Code Thread Size Hole Size In Sheet +.003 –.000 Screw Length Code 40 62 84 Hole Size In Sheet +0.08 Min. Dist. Hole CL To Edge Min. Dist. Hole CL To Edge Thread Size x Pitch Thread Code *Retaining rings are plastic with normal 250°F / 120°C temperature limit.

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FASTENERS FOR USE WITH PC BOARDS TYPE KFH BROACHING STUDS Dimple (Registered Trademark) PART NUMBER DESIGNATION KFH – 632 – 8 ET Type and Material Thread Code Length Code Hole Max. Min. Length “L” ±.010 Thread Thread A Min. Size in Hole Dist. (Length Code is in 16ths of an inch) Type Size Code (Shank) Sheet Sheet Size in H S T HoleC/L Max. Thickness Attached Max. +.003 ±.010 ±.005 To .250 .312 .375 .500 .625 .750 –.000 Parts (1) Edge .112-40 (#4-40) .138-32 (#6-32) .164-32 (#8-32) .190-32 (#10-32) Hole Max. Min. Length “L” ±0.25 Thread Thread A Min. Size in Hole Dist. Type Size x Code...

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