Square Head Set Screw
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Square Head Set Screw

Square head set screws, also known as jack bolts, are fully threaded fasteners with a square head and most commonly, a cup point, though other types of points are available. Square head set screws are manufactured from alloy steel for maximum strength, as well as high resistance to galling , wear, and fatigue. They have a large wrenching area that provides positive gripping for a hand wrench. They are ideal for holding pulleys, collars, and other machinery shafts where fine adjustments are necessary. Dimensional specifications are governed by ASME B18.6.2.

Square Head Set Screw
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Diameter Thread Pitch Length Threading Item # Availability Price Quantity UOM
1/4 20 1/2 Full SHSA0250050 In Stock $0.09249/EA EA
1/4 20 3/4 Full SHSA0250075 In Stock $0.11099/EA EA
1/4 20 1 Full SHSA0250100 In Stock $0.11791/EA EA
1/4 20 1 1/4 Full SHSA0250125 In Stock $0.16582/EA EA
1/4 20 1 1/2 Full SHSA0250150 In Stock $0.16859/EA EA
1/4 20 2 Full SHSA0250200 In Stock $0.30884/EA EA
1/4 20 4 Full SHSA0250400 In Stock $3.58861/EA EA
1/4 20 4 1/2 Full SHSA0250450 In Stock $3.47351/EA EA
1/4 20 6 Full SHSA0250600 3-5 Working Days $3.47351/EA EA
5/16 18 1/2 Full SHSA0310050 In Stock $0.18572/EA EA
5/16 18 3/4 Full SHSA0310075 In Stock $0.22679/EA EA
5/16 18 1 Full SHSA0310100 In Stock $0.19959/EA EA
5/16 18 1 1/4 Full SHSA0310125 In Stock $0.29382/EA EA
5/16 18 1 1/2 Full SHSA0310150 In Stock $0.35764/EA EA
5/16 18 2 Full SHSA0310200 In Stock $0.33629/EA EA
5/16 18 3 Full SHSA0310300 In Stock $1.43622/EA EA
3/8 16 1/4 Full SHSA0370025 3-5 Working Days $0.22198/EA EA
3/8 16 1/2 Full SHSA0370050 In Stock $0.3778/EA EA
3/8 16 3/4 Full SHSA0370075 In Stock $0.33215/EA EA
3/8 16 1 Full SHSA0370100 In Stock $0.33115/EA EA
3/8 16 1 1/2 Full SHSA0370150 In Stock $0.4488/EA EA
3/8 16 2 Full SHSA0370200 In Stock $0.62168/EA EA
3/8 16 2 1/2 Full SHSA0370250 In Stock $0.70137/EA EA
3/8 16 3 Full SHSA0370300 In Stock $1.1232/EA EA
3/8 16 4 Full SHSA0370400 In Stock $1.45257/EA EA
3/8 16 5 Full SHSA0370500 In Stock $1.83811/EA EA
3/8 16 6 Full SHSA0370600 In Stock $6.66763/EA EA
7/16 14 3/4 Full SHSA0430075 3-5 Working Days $0.84994/EA EA
7/16 14 1 Full SHSA0430100 3-5 Working Days $0.53093/EA EA
7/16 14 1 1/2 Full SHSA0430150 In Stock $0.87643/EA EA
7/16 14 2 Full SHSA0430200 In Stock $0.94462/EA EA
7/16 14 2 1/2 Full SHSA0430250 In Stock $0.70292/EA EA
1/2 13 3/4 Full SHSA0500075 In Stock $0.55808/EA EA
1/2 13 1 Full SHSA0500100 In Stock $1.03259/EA EA
1/2 13 1 1/4 Full SHSA0500125 In Stock $0.87577/EA EA
1/2 13 1 1/2 Full SHSA0500150 In Stock $1.33367/EA EA
1/2 13 2 Full SHSA0500200 In Stock $1.74835/EA EA
1/2 13 2 1/2 Full SHSA0500250 In Stock $1.27636/EA EA
1/2 13 3 Full SHSA0500300 In Stock $2.58972/EA EA
1/2 13 3 1/2 Full SHSA0500350 In Stock $2.14706/EA EA
1/2 13 4 Full SHSA0500400 In Stock $2.34924/EA EA
1/2 13 4 1/2 Full SHSA0500450 In Stock $4.14262/EA EA
1/2 13 5 Full SHSA0500500 In Stock $2.57407/EA EA
1/2 13 6 Full SHSA0500600 In Stock $3.29201/EA EA
1/2 13 8 Full SHSA0500800 In Stock $9.17921/EA EA
1/2 13 10 Full SHSA0501000 In Stock $20.18128/EA EA
5/8 11 3/4 Full SHSA0620075 3-5 Working Days $1.80984/EA EA
5/8 11 1 Full SHSA0620100 In Stock $1.10326/EA EA
5/8 11 1 1/4 Full SHSA0620125 In Stock $1.80984/EA EA
5/8 11 1 1/2 Full SHSA0620150 In Stock $1.59042/EA EA
5/8 11 2 Full SHSA0620200 In Stock $1.80155/EA EA
5/8 11 2 1/2 Full SHSA0620250 In Stock $2.53899/EA EA
5/8 11 3 Full SHSA0620300 In Stock $3.22449/EA EA
5/8 11 3 1/2 Full SHSA0620350 In Stock $2.88468/EA EA
5/8 11 4 Full SHSA0620400 In Stock $3.80133/EA EA
5/8 11 4 1/2 Full SHSA0620450 In Stock $3.77358/EA EA
5/8 11 5 Full SHSA0620500 In Stock $7.01073/EA EA
5/8 11 6 Full SHSA0620600 In Stock $5.78505/EA EA
5/8 11 8 Full SHSA0620800 3-5 Working Days $12.78661/EA EA
3/4 10 1 Full SHSA0750100 In Stock $1.36885/EA EA
3/4 10 2 Full SHSA0750200 In Stock $3.27954/EA EA
3/4 10 2 1/2 Full SHSA0750250 In Stock $4.93611/EA EA
3/4 10 3 Full SHSA0750300 In Stock $5.89501/EA EA
3/4 10 3 1/2 Full SHSA0750350 In Stock $4.98324/EA EA
3/4 10 4 Full SHSA0750400 In Stock $4.92849/EA EA
3/4 10 4 1/2 Full SHSA0750450 In Stock $6.12516/EA EA
3/4 10 5 Full SHSA0750500 In Stock $6.80163/EA EA
3/4 10 5 1/2 Full SHSA0750550 In Stock $9.60337/EA EA
3/4 10 6 Full SHSA0750600 In Stock $7.82849/EA EA
3/4 10 6 1/2 Full SHSA0750650 3-5 Working Days $6.58938/EA EA
7/8 9 2 Full SHSA0870200 In Stock $2.7007/EA EA
7/8 9 2 1/2 Full SHSA0870250 In Stock $3.25564/EA EA
7/8 9 3 Full SHSA0870300 In Stock $5.67425/EA EA
7/8 9 4 Full SHSA0870400 In Stock $6.32815/EA EA
7/8 9 5 Full SHSA0870500 In Stock $12.06478/EA EA
7/8 9 6 Full SHSA0870600 In Stock $12.34898/EA EA
7/8 9 8 Full SHSA0870800 In Stock $30.59741/EA EA
7/8 9 10 Full SHSA0871000 In Stock $26.67407/EA EA
1 8 2 Full SHSA1000200 In Stock $8.80503/EA EA
1 8 3 Full SHSA1000300 In Stock $6.5899/EA EA
1 8 4 Full SHSA1000400 In Stock $12.23892/EA EA
1 8 5 Full SHSA1000500 In Stock $10.07751/EA EA
1 8 5 1/2 Full SHSA1000550 In Stock $32.5256/EA EA
1 8 6 Full SHSA1000600 In Stock $12.88154/EA EA
1 8 7 Full SHSA1000700 In Stock $29.32619/EA EA
1 8 8 Full SHSA1000800 3-5 Working Days $31.57603/EA EA