Table 11

ARow
BThread Size
(dia. x Lead)
CLead
(in./rev.)
DStatic Load
Rating
(Bronze Nut)
(lbs.)
EOperating
Load Rating
(Bronze Nut)
(lbs.)
FOperating
Load Rating
(Plastic Nut)
(lbs.)
GMinor
Diameter
(in.)
HDrive
Torque
Ratio
(in.-lbs./lbs.)
IForward
Drive
Efficiency
JScrew
Weight
(lbs./ft.)
$Prices & Products
RH (Right Hand)
LH (Left Hand)
1/4 X .1000.1009503001500.1750.03447%0.120RH, LH
1/4 X .2500.2509503001500.1890.06066%0.130RH
3/8 X .1670.1672,2507003500.2630.05350%0.289RH, LH
3/8 X .2000.2002,2507003500.2450.05855%0.270RH
3/8 X .2500.2501,2004002000.2650.06858%0.289RH, LH
3/8 X .3750.3751,2004002000.2600.09166%0.280RH
1/2 X .2000.2004,0001,2506250.3590.06847%0.520RH, LH
1/2 X .2500.2504,0001,2506250.3320.07553%0.489RH, LH
1/2 X .3330.3333,5001,1005500.2950.08960%0.429RH
1/2 X .5000.5004,0001,2506250.3450.12166%0.479RH, LH
5/8 X .2000.2006,2501,9009500.4830.07741%0.839RH, LH
5/8 X .2500.2506,2501,9009500.4570.08547%0.820RH, LH
11/16 X .5000.5007,0002,2001,1000.4980.13360%1.220RH
3/4 X .2500.2509,0002,8001,4000.5810.09442%1.220RH, LH
3/4 X .3330.3339,0002,8001,4000.5370.10750%1.150RH, LH
3/4 X .5000.5009,0002,8001,4000.5800.13957%1.220RH
1 X .2500.25016,0005,0002,5000.8250.11353%2.280RH, LH
1 X .3330.33316,0005,0002,5000.7860.12642%2.180RH, LH
1 X .4000.40016,0005,0002,5000.7500.13647%2.089RH, LH
1 X .5000.50016,0005,0002,5000.6900.15153%2.000RH, LH
1 X 1.0001.00016,0005,0002,5000.7500.24465%2.089RH, LH
1 1/8 X .3330.33320,0006,4003,2000.9100.13539%2.810RH
1 1/4 X .4000.40025,0007,8003,9000.9990.15541%3.439RH, LH
1 1/2 X .4000.40036,00011,3005,6501.2480.17437%5.120RH, LH
1 1/2 X .5000.50036,00011,3005,6501.1960.18942%4.889RH
1 1/2 X .7500.75036,00011,3005,6501.1960.23551%4.940RH
2 X .5000.50065,00020,00010,0001.6980.22735%9.240RH, LH
2 X .6660.66665,00020,00010,0001.6080.25242%8.779RH
2 X 1.0001.00065,00019,0009,6001.6400.31351%8.740RH, LH