| Specification |
|---|
| Manufacturer | Penn Engineering |
| Manufacturer's Part Number | PF12M-M4-2BL |
| Description | PF12M-M4-2BL Large Knob, Spring-Loaded Self-Clinching Panel Screws |
| Product Type | PF12M |
| Thread Size | M4 x 0.7 |
| Thread Code | M4 |
| A Shank Max. | 0.92 mm |
| For Use In Sheet Hardness | HRB 80 or less (Hardness Rockwell “B” Scale) / HB 150 or less (Hardness Brinell) |
| Thread Specification | External, ASME B1.1, 2A / ASME B1.13M, 6g |
| Fastener Retainer Material | Hardened Carbon Steel |
| Material Spring | 300 Series Stainless Steel |
| A | 0.92 mm Max. |
| C | 7.9 mm Max. |
| E | 13.06 mm ± 0.25 |
| G | 8.89 mm ± 0.64 |
| P | 3.05 mm ± 0.64 |
| T1 | 11.43 mm Nom. |
| T2 | 16.26 mm Nom. |
| Hole Size in Sheet | 7.92 mm +0.08 |
| Min. Dist. Hole C/L to Edge | 8.38 |
| Drive Size | #2 |
| Material Knob | Aluminum |
| Material Screw | Hardened Carbon Steel |
| Finish Knob | Black Anodize |
| Finish Retainer | Bright Nickel over Copper Flash per ASTM B689, Type II |
| Finish Screw | Black Nitride, AMS2753, Section 3 |
| Finish Spring | Natural Finish |
