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Bolts
Nuts
Washers
Socket Screws
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United States USD $

Bolts
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Collection: Coarse Thread [UNC]

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3019 of 8388 products

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $3.00

Regular price Sale price $3.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $3.00

Regular price Sale price $3.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $1.00

Regular price Sale price $1.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 4" Grade 8 [Cup Point] [External Square Drive]

Regular price $9.00

Regular price Sale price $9.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $11.00

Regular price Sale price $11.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5" Grade 8 [Cup Point] [External Square Drive]

Regular price $12.00

Regular price Sale price $12.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $1.00

Regular price Sale price $1.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 5/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $3.00

Regular price Sale price $3.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 6" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 6" Grade 8 [Cup Point] [External Square Drive]

Regular price $15.00

Regular price Sale price $15.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 7/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 7/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $1.00

Regular price Sale price $1.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 7/8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 7/8" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1" Grade 8 [Cup Point] [External Square Drive]

Regular price $4.00

Regular price Sale price $4.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $3.00

Regular price Sale price $3.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $4.00

Regular price Sale price $4.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $4.00

Regular price Sale price $4.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $4.00

Regular price Sale price $4.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $5.00

Regular price Sale price $5.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-1/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $4.00

Regular price Sale price $4.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $2.00

Regular price Sale price $2.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $5.00

Regular price Sale price $5.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $4.00

Regular price Sale price $4.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $5.00

Regular price Sale price $5.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 1-3/4" Grade 8 [Cup Point] [External Square Drive]

Regular price $5.00

Regular price Sale price $5.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 10" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 10" Grade 8 [Cup Point] [External Square Drive]

Regular price $23.00

Regular price Sale price $23.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price $3.00

Regular price Sale price $3.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price $5.00

Regular price Sale price $5.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 5/8-11 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price $5.00

Regular price Sale price $5.00
Unit price per

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Thread Type

Coarse Thread [UNC]

Threading

Fully Threaded
Partially Threaded

Imperial Thread (Inch)

1-64
2-56
3-48
4-40
5-40
6-32
8-32
10-24
12-24
1/4-20
5/16-18
3/8-16
7/16-14
1/2-13
9/16-12
5/8-11
3/4-10
7/8-9
1-8
1-1/8-7
1-1/4-7
1-3/8-6
1-1/2-6
1-3/4-5
2-4-1/2
2-1/4-4-1/2
2-1/2-4

Pipe thread (Inch)

1-3/4-5

British Thread (Inch)

1/4-20
5/16-18
3/8-16
7/16-14
9/16-12
5/8-11
3/4-10
7/8-9
1-8
1-1/8-7
1-1/4-7
1-1/2-6
1-3/4-5
2-4-1/2
2-1/2-4

Imperial Length (Inch)

Imperial Length (Feet)

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

Categories

Bolt
nut
Pressure screw

System of Measurement

Imperial (Inch)

MATERIAL & PLATING

Aluminum
Black Oxide
Black Phosphate
Brass
Copper Nickel
Nylon
Steel
Yellow Zinc
Zinc

Grade

*Grade* 8

Shape

Square

Fasteners Type

Button Head Cap Screw
Conical
Coupling
Flanged
Flat Head
Flat Head Cap Screw
Hexagonal
Nylon Insert
Plow Bolt
Set Screw
Shoulder Screw
Socket Head Cap Screw
Square Screw
Trailer Floor Screw
Square

Thread Direction

Right Thread

Point Type

Cup
Dog
Full Dog
Knurled
Cone Point
Flat Point
Brass Point
Nylon Point
Oval Point

Drive

Allen
Square

Head

Square
Standard

Classification

Asme B19 2 1
Sae J429
Asme B18 5
Ifi 111

Country/region

Canada CAD $
United States USD $

Payment methods

© 2025, Les Attaches RJM

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