ST Thumbscrew PDF Spec Sheet

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or PLACE ORDERS
Thread Size #10-24 #10-32 1/4-20 5/16-18 3/8-16
Wing Dimensions
(Approximate)		 C-Spread 0.625 0.625 0.875 1.062 1.250
D-Thick. 0.062 0.062 0.093 0.109 0.125
E-Ht. Incl. Collar 0.437 0.437 0.500 0.625 0.750
Dia. - A 0.406 0.406 0.468 0.593 0.656
B-Thick. 0.062 0.062 0.078 0.093 0.125
L
Length
Under
Collar		 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

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 and Thread Information
Material:
C1010 High-Welding Quality,
Low Carbon Steel
Tensile Strength:
60,000 psi
Yield Point:
30,000 psi
Finish:
Plain, Unless Specified
Shear Strength:
30,000 psi
Threads:
Elongation 2"
30% Max.

Buckeye Fasteners, Inc. distributes weld fasteners, leg levelers and adjusting screws. Inch and metric threads are available. Fasteners in low carbon and stainless steel. Custom Multisource Fasteners
5250 West 164th Street • Brookpark, OH 44142-1597
(216) 267-2240 • FAX: (216) 267-3228
E-Mail:info@buckeyefasteners.com
A Div. of Fastener Ind., Inc.
(800) 437-1689
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