Trapezoidal Screws & Nuts - Engineering Data (SI Units)
Table 21
ARow |
BThread Size (dia. x lead) (mm) |
CLead (mm/rev.) |
DEquivalent English ThreadSize (OD-TPI) |
EStatic Load Rating (Bronze Nut) (kN) | FOperating Load Rating (Bronze Nut) (kN) | GOperating Load Rating (Plastic Nut) (kN) |
HMinor Diameter (in) |
IDrive Torque Ratio (Nm/kN) |
JForward Drive Efficiency |
KScrew Weight (kg/m) |
$Prices & Products RH (Right Hand) LH (Left Hand) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 X 2 | 2.000 | .394 - 12.700 | 10.7 | 3.0 | 1.5 | 7.036 | 1.020 | 31% | 0.476 | RH, LH | |
| 12 X 3 | 3.000 | .472 - 8.467 | 16.0 | 4.9 | 2.4 | 7.950 | 1.300 | 37% | 0.655 | RH, LH | |
| 14 X 3 | 3.000 | .551 - 8.467 | 20.0 | 6.7 | 3.3 | 9.931 | 1.450 | 33% | 0.938 | RH, LH | |
| 16 X 3 | 3.000 | .630 - 8.467 | 27.1 | 8.9 | 4.4 | 11.913 | 1.630 | 29% | 1.263 | RH, LH | |
| 16 X 4 | 4.000 | .630 - 6.350 | 27.1 | 8.9 | 4.4 | 10.846 | 1.750 | 36% | 1.176 | RH, LH | |
| 18 X 4 | 4.000 | .709 - 6.350 | 34.7 | 10.7 | 5.3 | 12.827 | 1.910 | 33% | 1.548 | RH | |
| 20 X 4 | 4.000 | 787 - 6.350 | 44.0 | 13.8 | 6.9 | 14.834 | 2.060 | 31% | 1.949 | RH, LH | |
| 24 X 5 | 5.000 | .945 - 5.080 | 62.7 | 20.0 | 10.0 | 17.755 | 2.490 | 32% | 2.783 | RH, LH | |
| 28 X 5 | 5.000 | 1.102 - 5.080 | 85.0 | 27.1 | 13.6 | 21.742 | 2.790 | 28% | 3.929 | RH, LH | |
| 30 X 6 | 6.000 | 1.181 - 4.233 | 88.1 | 27.6 | 13.8 | 22.200 | 3.230 | 30% | 4.360 | RH | |
| 32 X 6 | 6.000 | 1.260 - 4.233 | 114.3 | 34.7 | 17.3 | 24.181 | 3.230 | 30% | 5.075 | RH, LH | |
| 36 X 6 | 6.000 | 1.417 - 4.233 | 145.0 | 44.9 | 22.5 | 28.169 | 3.530 | 27% | 6.591 | RH, LH | |
| 40 X 7 | 7.000 | 1.575 - 3.629 | 174.8 | 54.7 | 27.4 | 31.090 | 3.990 | 28% | 8.064 | RH, LH | |
| 44 X 7 | 7.000 | 1.732 - 3.629 | 214.8 | 68.1 | 34.0 | 35.077 | 4.290 | 26% | 9.956 | RH, LH | |
| 48 X 8 | 8.000 | 1.890 - 3.175 | 254.9 | 80.1 | 40.0 | 38.024 | 4.720 | 27% | 11.742 | RH, LH | |
| 52 X 8 | 8.000 | 2.047 - 3.175 | 299.8 | 96.1 | 48.0 | 42.012 | 5.030 | 25% | 14.004 | RH, LH |
Trapezoidal Screws & Nuts - Engineering Data (English Units)
Table 21A
ARow |
BThread Size (dia. x lead) (mm) |
CLead (in/rev.) |
DEquivalent English ThreadSize (OD-TPI) |
EStatic Load Rating (Bronze Nut) (lbs.) | FOperating Load Rating (Bronze Nut) (lbs.) | GOperating Load Rating (Plastic Nut) (lbs) |
HMinor Diameter (mm) |
IDrive Torque Ratio (in.-lbs./lbs.) |
JForward Drive Efficency |
KScrew Weight (lbs./ft.) |
$Prices & Products RH (Right Hand) LH (Left Hand) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 X 2 | 0.079 | .394 - 12.700 | 2,400 | 670 | 335 | 0.277 | 0.040 | 31% | 0.320 | RH, LH | |
| 12 X 3 | 0.118 | .472 - 8.467 | 3,600 | 1,100 | 550 | 0.313 | 0.051 | 37% | 0.440 | RH, LH | |
| 14 X 3 | 0.118 | .551 - 8.467 | 4,500 | 1,500 | 750 | 0.391 | 0.057 | 33% | 0.630 | RH, LH | |
| 16 X 3 | 0.118 | .630 - 8.467 | 6,100 | 2,000 | 1,000 | 0.469 | 0.064 | 29% | 0.849 | RH, LH | |
| 16 X 4 | 0.157 | .630 - 6.350 | 6,100 | 2,000 | 1,000 | 0.427 | 0.069 | 36% | 0.790 | RH, LH | |
| 18 X 4 | 0.157 | .709 - 6.350 | 7,800 | 2,400 | 1,200 | 0.505 | 0.075 | 33% | 1.040 | RH | |
| 20 X 4 | 0.157 | 787 - 6.350 | 9,900 | 3,100 | 1,550 | 0.584 | 0.081 | 31% | 1.310 | RH, LH | |
| 24 X 5 | 0.197 | .945 - 5.080 | 14,100 | 4,500 | 2,250 | 0.699 | 0.098 | 32% | 1.870 | RH, LH | |
| 28 X 5 | 0.197 | 1.102 - 5.080 | 19,100 | 6,100 | 3,050 | 0.856 | 0.110 | 28% | 2.640 | RH, LH | |
| 30 X 6 | 0.236 | 1.181 - 4.233 | 19,800 | 6,200 | 3,100 | 0.874 | 0.127 | 30% | 2.930 | RH | |
| 32 X 6 | 0.236 | 1.260 - 4.233 | 25,700 | 7,800 | 3,900 | 0.952 | 0.127 | 30% | 3.410 | RH, LH | |
| 36 X 6 | 0.236 | 1.417 - 4.233 | 32,600 | 10,100 | 5,050 | 1.109 | 0.139 | 27% | 4.429 | RH, LH | |
| 40 X 7 | 0.276 | 1.575 - 3.629 | 39,300 | 12,300 | 6,150 | 1.224 | 0.157 | 28% | 5.419 | RH, LH | |
| 44 X 7 | 0.276 | 1.732 - 3.629 | 48,300 | 15,300 | 7,650 | 1.381 | 0.169 | 26% | 6.690 | RH, LH | |
| 48 X 8 | 0.315 | 1.890 - 3.175 | 57,300 | 18,000 | 9,000 | 1.497 | 0.186 | 27% | 7.890 | RH, LH | |
| 52 X 8 | 0.315 | 2.047 - 3.175 | 67,400 | 21,600 | 10,800 | 1.654 | 0.198 | 25% | 9.410 | RH, LH |