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Bolts
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Collection: Square Screw

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433 products

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.42 $ CAD

Regular price Sale price 2.42 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.67 $ CAD

Regular price Sale price 2.67 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.07 $ CAD

Regular price Sale price 3.07 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 10" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 10" Grade 8 [Cup Point] [External Square Drive]

Regular price 15.17 $ CAD

Regular price Sale price 15.17 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.37 $ CAD

Regular price Sale price 2.37 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.01 $ CAD

Regular price Sale price 3.01 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.60 $ CAD

Regular price Sale price 2.60 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.87 $ CAD

Regular price Sale price 2.87 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.32 $ CAD

Regular price Sale price 3.32 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 1.45 $ CAD

Regular price Sale price 1.45 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.49 $ CAD

Regular price Sale price 3.49 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.02 $ CAD

Regular price Sale price 3.02 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 1.33 $ CAD

Regular price Sale price 1.33 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-1/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.81 $ CAD

Regular price Sale price 2.81 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 2-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 1.59 $ CAD

Regular price Sale price 1.59 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Sale

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price 1.70 $ CAD

Regular price ~~3.06 $ CAD~~ Sale price 1.70 $ CAD
Unit price per

Sale
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.79 $ CAD

Regular price Sale price 3.79 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.29 $ CAD

Regular price Sale price 3.29 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price 3.61 $ CAD

Regular price Sale price 3.61 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price 4.17 $ CAD

Regular price Sale price 4.17 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Sale

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 1.95 $ CAD

Regular price ~~3.91 $ CAD~~ Sale price 1.95 $ CAD
Unit price per

Sale
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 4.07 $ CAD

Regular price Sale price 4.07 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3-1/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3-1/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 7.92 $ CAD

Regular price Sale price 7.92 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 0.66 $ CAD

Regular price Sale price 0.66 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price 1.78 $ CAD

Regular price Sale price 1.78 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4" Grade 8 [Cup Point] [External Square Drive]

Sale

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.20 $ CAD

Regular price ~~3.91 $ CAD~~ Sale price 2.20 $ CAD
Unit price per

Sale
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4" Grade 8 [Cup Point] [External Square Drive]

Regular price 4.75 $ CAD

Regular price Sale price 4.75 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 2.42 $ CAD

Regular price Sale price 2.42 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price 5.69 $ CAD

Regular price Sale price 5.69 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 5" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 5" Grade 8 [Cup Point] [External Square Drive]

Regular price 5.18 $ CAD

Regular price ~~4.17 $ CAD~~ Sale price 5.18 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 5" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 5" Grade 8 [Cup Point] [External Square Drive]

Regular price 6.36 $ CAD

Regular price Sale price 6.36 $ CAD
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Regular price 0.62 $ CAD

Regular price Sale price 0.62 $ CAD
Unit price per

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Thread Type

Coarse Thread [UNC]
Fine Thread [UNF]

Threading

Fully Threaded

Imperial Thread (Inch)

1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
1/2-13
1/2-20
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
1-8
1-14

British Thread (Inch)

1/4-20
1/4-28
5/16-18
3/8-16
7/16-14
5/8-11
3/4-10
7/8-9
1-8

Imperial Length (Inch)

1/4 Length
3/8 Length
1/2 Length
5/8 Length
3/4 Length
7/8 Length
1 Length
1-1/8 Length
1-1/4 Length
1-1/2 Length
1-3/4 Length
2 Length
2-1/4 Length
2-1/2 Length
2-3/4 Length
3 Length
3-1/4 Length
3-1/2 Length
4 Length
4-1/2 Length
5 Length
5-1/2 Length
6 Length
6-1/2 Length
7 Length
8 Length
9 Length
10 Length
12 Length

Imperial Length (Feet)

2 Length
4 Length
6 Length
8 Length
10 Length
12 Length

Categories

Pressure screw

System of Measurement

Imperial (Inch)

MATERIAL & PLATING

Black Oxide

Grade

*Grade* 8

Shape

Square

Fasteners Type

Square Screw
Square

Point Type

Cup
Dog
Flat Point
Oval Point

Drive

Square

Head

Square

Country/region

Canada CAD $
United States USD $

Language

English
Français

Payment methods

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