Unified Dimensions - Length code = multiples of 1/16” i.e 1/2” = -8
| Thread size | 2-56 | 4-40 | 6-32 | 8-32 | 10-32 | 1/4-20 |
|---|---|---|---|---|---|---|
| D ±0.15 | .144 | .176 | .206 | .237 | .256 | .337 |
| H max | .075 | .085 | .090 | .090 | .100 | .135 |
| Min rec sheet thickness | .040 | .040 | .040 | .040 | .040 | .062 |
| Hole +0.003 -0.0 | .085 | .111 | .137 | .163 | .189 | .249 |
| Min distance to edge of sheet | .186 | .220 | .250 | .280 | .280 | .312 |
Unified Performance Data: TR-FH
| Thread and Pitch | Unified | 2-56 | 4-40 | 6-32 | 8-32 | 10-32 | 1/4-20 |
|---|---|---|---|---|---|---|---|
| Sheet thickness | .060" | .060" | .060" | .060" | .060" | .088" | |
| Installation | (lbf) | 2490 | 4400 | 4800 | 6900 | 7600 | 9650 |
| Torsional resistance |
(lbf in.) | 5 | 12 | 22 | 42 | 65 | 100 |
| Pushout | (lbf) | 180 | 285 | 320 | 400 | 470 | 580 |
| Pull through | (lbf) | 425 | 660 | 880 | 1300 | 1450 | 2600 |
Unified Performance Data : TR-FHS
| Thread and Pitch | Unified | 2-56 | 4-40 | 6-32 | 8-32 | 10-32 | 1/4-20 |
|---|---|---|---|---|---|---|---|
| Sheet thickness | .060" | .060" | .060" | .060" | .060" | .088" | |
| Installation | (lbf) | 2490 | 4700 | 4900 | 5500 | 6800 | 9800 |
| Torsional resistance |
(lbf in.) | 5 | 8 | 16 | 28 | 49 | 100 |
| Pushout | (lbf) | 170 | 280 | 310 | 380 | 450 | 580 |
| Pull through | (lbf) | 420 | 650 | 780 | 1200 | 1420 | 2600 |
Metric Dimensions - Length code = multiples of 1mm i.e 8mm = -8
| Thread size | M2.5 | M3 | M4 | M5 | M6 | M8 |
|---|---|---|---|---|---|---|
| D ±0.4 | 4.1 | 4.6 | 5.9 | 6.5 | 8.2 | 9.6 |
| H max | 1.95 | 2.1 | 2.4 | 2.7 | 3.0 | 3.7 |
| Min rec sheet thickness | 1.0 | 1.0 | 1.0 | 1.0 | 1.6 | 2.4 |
| Hole +0.08 -0.0 | 2.5 | 3.0 | 4.0 | 5.0 | 6.0 | 8.0 |
| Min distance to edge of sheet | 5.4 | 5.6 | 7.2 | 7.2 | 7.9 | 9.6 |
Metric Performance Data: TR-FH
| Thread and Pitch | Metric | M2.5 | M3 0.5 | M4 0.7 | M5 0.8 | M6 1.0 | M8 1.25 |
|---|---|---|---|---|---|---|---|
| Sheet thickness | (mm) | 1.5 | 1.5 | 1.5 | 1.5 | 2.5 | 2.5 |
| Installation | (kN) | 11 | 14.7 | 28 | 33.5 | 45 | 45 |
| Torsional resistance |
(Nm) | 1 | 1.7 | 4.3 | 6.8 | 12 | 19.5 |
| Pushout | (N) | 740 | 820 | 1800 | 2100 | 2600 | 2900 |
| Pull through | (N) | 2800 | 3900 | 5700 | 6300 | 11400 | 15500 |
Metric Performance Data: TR-FHS
| Thread and Pitch | Metric | M2.5 | M3 0.5 | M4 0.7 | M5 0.8 | M6 1.0 | M8 1.25 |
|---|---|---|---|---|---|---|---|
| Sheet thickness | (mm) | 1.5 | 1.5 | 1.5 | 1.5 | 2.5 | 2.5 |
| Installation | (kN) | 13.5 | 14.7 | 26 | 32 | 44 | 49.9 |
| Torsional resistance |
(Nm) | 0.8 | 1.4 | 2.9 | 6.4 | 10 | 17 |
| Pushout | (N) | 740 | 820 | 1790 | 2000 | 2500 | 2800 |
| Pull through | (N) | 1800 | 2450 | 4800 | 6000 | 10600 | 13600 |