PR10 self-clinching flush-mounted retainers are designed for use in thin metal sheets to provide internal threads for component screw retention. The PR10-440 variant accepts a .112-40 (#4-40) unified thread and is made of 300 series stainless steel with a finish passivated and/or tested per ASTM A380. It installs in sheet material with a hardness of HRB 70 or less or HB 125 or less. Dimensions include a shank diameter of 0.125 in, a minimum sheet thickness of 0.050 in for clinching, a hole size of 0.281 in, a body diameter of 0.195 in, a clinched head height of 0.075 in, and a minimum edge distance of 0.310 in.
Specifications -
Thread Size - - .112-40 (#4-40)
Type1 - - PR10
Thread Code - - 440
A (Shank) Max. - - .125 in
Min. Sheet for Self-Clinching - - .050 in
Min. Sheet for Flush Installation - - .125 in
Hole Size in Sheet + 0.003 - 0.000 - - .281 in
B Nom. - - .195 in
C Max. - - .280 in
E Nom. - - .310 in
H Nom. - - .075 in
Min. Dist. Hole C/L to Edge - - .310 in
Thread Specification - - ANSI B1.1, 2B
Material - - 300 Series Stainless Steel
Finish - - 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)
1 2B (unified) and 6H (metric) go gauge may stop at pilot end but class 3A (unified) and 4h (metric) screws will pass through with finger torque.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | PR10-440 |
| Product Name | PR10 Self-Clinching Flush-Mounted Retainers - Unified |
| Captive Fastener Class / Type | Captive Screws |
| Decimal Thread Diameter | 0.1120 inch (2.84 mm) |
| Unified Thread Notation | Unified |
| Shoulder Diameter | 0.1250 inch (3.17 mm) |
