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ST Thumb Screw |
Thread Size |
#10-24 | #10-32 | 1/4-20 | 5/16-18 | 3/8-16 | |
Wing Dimensions |
C-Spread | 0.625 | 0.625 | 0.875 | 1.062 | 1.250 |
D-Thickness | 0.062 | 0.062 | 0.093 | 0.109 | 0.125 | |
E-Ht. Incl. Collar | 0.437 | 0.437 | 0.500 | 0.625 | 0.750 | |
A-Diameter | 0.406 | 0.406 | 0.468 | 0.593 | 0.656 | |
B-Thickness | 0.062 | 0.062 | 0.078 | 0.093 | 0.125 |
Thread Size |
#10-24 | #10-32 | 1/4-20 | 5/16-18 | 3/8-16 | ||
Length |
L |
1/4 | ST 1504 | ||||
1/2 | ST 1508 | ST 2108 | |||||
5/8 | ST 1610 | ST 2110 | ST 2710 | ST 3310 | |||
3/4 | ST 1512 | ST 2112 | |||||
1 | ST 2716 | ST 3316 | |||||
1-1/4 | ST 2720 | ||||||
1-1/2 | ST 2124 |
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The ST thumbscrew is a rugged, one piece, cold forged screw with great strength. It has a broad wingspread for easy adjustment, it can even be adjusted with an adjustable wrench. The ST thumbscrew features a round collar for a stop and a full thread length for secure engagement. |
Material: |
C1010 High-Welding |
Tensile Strength: |
60,000 psi | |
Quality, Low Carbon Steel |
Yield Point: |
30,000 psi | ||
Finish: | Plain, Unless Specified |
Shear Strength: |
30,000 psi | |
Threads: |
Unified Standard Class 2A |
Elongation 2” |
30% Max. | |
ANSI / ASME B 1.1-1989 |