The PFK series comprises spring-loaded, broaching captive panel screws designed for permanent installation in printed circuit boards, with all variants featuring a 300 series stainless steel screw, retainer, and spring, and a nylon retaining ring with a temperature limit of 93°C. The PFK-M3-62 variant has an M3 x 0.5 thread, a screw length code of 62, a maximum shank length of 1.53 mm, a minimum sheet thickness of 1.53 mm, a minimal hole size of 6.73 mm, a minimum distance from hole centerline to edge of 5.08 mm, a maximum installed height of 9.14 mm, and a nominal total height of 13.72 mm. The screw threads conform to ASME B1.13M, 6g, and the retainer and screw are passivated per ASTM A380. The part is identified by a diagonal knurl on the shoulder and a blue plastic retaining ring as a PEM trademark.
Specifications -
Thread Size x Pitch - - M3 x 0.5
Type - - PFK
Thread Code - - M3
Screw Length Code - - 62
A (Shank) Max. - - 1.53 mm
Min. Sheet Thickness - - 1.53 mm
Hole Size in Sheet + 0.08 - - 6.73 mm
C ± 0.08 - - 7.19 mm
E ± 0.25 - - 7.92 mm
G ± 0.4 - - 9.50 mm
H ± 0.13 - - 1.83 mm
P ± 0.64 - - 3.20 mm
T1 Max. - - 9.14 mm
T2 Nom. - - 13.72 mm
Min. Dist. Hole C/L to Edge - - 5.08 mm
Thread Specification - - ANSI/ASME B1.13M, 6g
Material Retainer1 - - 300 Series Stainless Steel
Material Screw - - 300 Series Stainless Steel
Material Spring - - 300 Series Stainless Steel
Finish Retainer - - Passivated and/or tested per ASTM A380
Finish Screw - - Passivated and/or tested per ASTM A380
For Use in Sheet Hardness - - HRB 70 or less (Hardness Rockwell “B” Scale) /HB 125 or less (Hardness Brinell)
CAD View - - Unfastened
1 The blue plastic retaining rings are a PEM trademark. The temperature limit is 200° F / 93° C.
| PennEngineering® | bisco industries | |
|---|---|---|
| Product Category | Captive Fasteners | Captive Fasteners |
| Product Number | PFK-M3-62 | PFK-M3-62 |
| Product Name | Captive Screws, Broaching for PC Boards - Metric | Captive Screws |
| Captive Fastener Class / Type | Captive Screws | Captive Screws |
