| Specification |
|---|
| Manufacturer | Penn Engineering |
| Manufacturer's Part Number | KFH-440-5ET |
| Description | KFH-440-5ET Studs, Broaching |
| Thread Size | #4-40 |
| Length | 0.312 in |
| Material Specification | CDA-510 Phosphor Bronze |
| Finish Specification | Electro-Plated Tin ASTM B 545, Class B With Clear Preservative Coating, Annealed |
| Thread Code | 440 |
| A Shank Max. | 0.065 in |
| Min. Sheet Thickness | 0.060 in |
| For Use In Sheet Hardness | HRB 55 / HB 96 or Less; Aluminum, Acrylic, Castings, Polycarbonate, and PC board |
| Thread Specification | External, ASME B1.1 2A |
| H | 0.180 in ±0.010 |
| S | 0.09 in Max. |
| T | 0.020 in ±0.005 |
| Hole Size in Sheet | 0.120 in + .003 - .000 |
| Min. Dist. Hole C/L to Edge | 0.15 in |
| Special Note | Threads are gaugeable to within 2 pitches of the “S” Max. dimension. A class 3B/5H maximum material commercial nut shall pass up to the “S” Max. dimension. |