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 22.000.394 - 12.70010.73.01.57.0361.02031%0.476RH, LH
12 X 33.000.472 - 8.46716.04.92.47.9501.30037%0.655RH, LH
14 X 33.000.551 - 8.46720.06.73.39.9311.45033%0.938RH, LH
16 X 33.000.630 - 8.46727.18.94.411.9131.63029%1.263RH, LH
16 X 44.000.630 - 6.35027.18.94.410.8461.75036%1.176RH, LH
18 X 44.000.709 - 6.35034.710.75.312.8271.91033%1.548RH
20 X 44.000787 - 6.35044.013.86.914.8342.06031%1.949RH, LH
24 X 55.000.945 - 5.08062.720.010.017.7552.49032%2.783RH, LH
28 X 55.0001.102 - 5.08085.027.113.621.7422.79028%3.929RH, LH
30 X 66.0001.181 - 4.23388.127.613.822.2003.23030%4.360RH
32 X 66.0001.260 - 4.233114.334.717.324.1813.23030%5.075RH, LH
36 X 66.0001.417 - 4.233145.044.922.528.1693.53027%6.591RH, LH
40 X 77.0001.575 - 3.629174.854.727.431.0903.99028%8.064RH, LH
44 X 77.0001.732 - 3.629214.868.134.035.0774.29026%9.956RH, LH
48 X 88.0001.890 - 3.175254.980.140.038.0244.72027%11.742RH, LH
52 X 88.0002.047 - 3.175299.896.148.042.0125.03025%14.004RH, 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 20.079.394 - 12.7002,4006703350.2770.04031%0.320RH, LH
12 X 30.118.472 - 8.4673,6001,1005500.3130.05137%0.440RH, LH
14 X 30.118.551 - 8.4674,5001,5007500.3910.05733%0.630RH, LH
16 X 30.118.630 - 8.4676,1002,0001,0000.4690.06429%0.849RH, LH
16 X 40.157.630 - 6.3506,1002,0001,0000.4270.06936%0.790RH, LH
18 X 40.157.709 - 6.3507,8002,4001,2000.5050.07533%1.040RH
20 X 40.157787 - 6.3509,9003,1001,5500.5840.08131%1.310RH, LH
24 X 50.197.945 - 5.08014,1004,5002,2500.6990.09832%1.870RH, LH
28 X 50.1971.102 - 5.08019,1006,1003,0500.8560.11028%2.640RH, LH
30 X 60.2361.181 - 4.23319,8006,2003,1000.8740.12730%2.930RH
32 X 60.2361.260 - 4.23325,7007,8003,9000.9520.12730%3.410RH, LH
36 X 60.2361.417 - 4.23332,60010,1005,0501.1090.13927%4.429RH, LH
40 X 70.2761.575 - 3.62939,30012,3006,1501.2240.15728%5.419RH, LH
44 X 70.2761.732 - 3.62948,30015,3007,6501.3810.16926%6.690RH, LH
48 X 80.3151.890 - 3.17557,30018,0009,0001.4970.18627%7.890RH, LH
52 X 80.3152.047 - 3.17567,40021,60010,8001.6540.19825%9.410RH, LH