Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, Discounts and shipping calculated at checkout

Bolts
Nuts
Washers
Socket Screws
Contact Us
About Us

Country/region

Canada CAD $
United States USD $

Bolts
Nuts
Washers
Socket Screws
Contact Us
About Us

Search

Collection: Black Oxide

Sort by:

1141 of 1593 products

Sort

Sort

1141 of 1593 products

Sort by:

Remove all

1141 of 1593 products

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2" Grade 8 [Cup Point] [External Square Drive]

Regular price $6.00

Regular price Sale price $6.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 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 7/8-9 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $6.00

Regular price Sale price $6.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2-1/2" 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 7/8-9 * 2-1/4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 2-1/4" 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 7/8-9 * 3" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price $7.00

Regular price Sale price $7.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3" Grade 8 [Cup Point] [External Square Drive]

Regular price $14.00

Regular price Sale price $14.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $8.00

Regular price Sale price $8.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 3-1/2" 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 7/8-9 * 4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 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 7/8-9 * 4" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 4" Grade 8 [Cup Point] [External Square Drive]

Regular price $16.00

Regular price Sale price $16.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $10.00

Regular price Sale price $10.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 4-1/2" Grade 8 [Cup Point] [External Square Drive]

Regular price $18.00

Regular price Sale price $18.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 5" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 5" Grade 8 [Cup Point] [External Square Drive]

Regular price $10.00

Regular price Sale price $10.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 5" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 5" Grade 8 [Cup Point] [External Square Drive]

Regular price $20.00

Regular price Sale price $20.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 5-1/2" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 5-1/2" 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 7/8-9 * 6" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 6" 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 7/8-9 * 6" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 6" Grade 8 [Cup Point] [External Square Drive]

Regular price $27.00

Regular price Sale price $27.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 7" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 7" Grade 8 [Cup Point] [External Square Drive]

Regular price $28.00

Regular price Sale price $28.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 8" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 8" Grade 8 [Cup Point] [External Square Drive]

Regular price $33.00

Regular price Sale price $33.00
Unit price per
Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 9" Grade 8 [Cup Point] [External Square Drive]

Square Head Screw Full Thread Black-Oxide Alloy Steel 7/8-9 * 9" Grade 8 [Cup Point] [External Square Drive]

Regular price $38.00

Regular price Sale price $38.00
Unit price per

1
…
34
35
36

Filter

Refine

Thread Type

Coarse Thread [UNC]
Fine Thread [UNF]
Metric Coarse
Metric Fine
Metric Extra Fine

Threading

Fully Threaded

Imperial Thread (Inch)

Pipe thread (Inch)

1/8-18
1/4-18
3/8-18
1/2-14
3/4-14
1-11-1/2
2-11-1/2

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

Metric Thread (Millimeter)

M1.6 * 0.35
M2 * 0.4
M2.5 * 0.45
M3 * 0.5
M4 * 0.7
M5 * 0.8
M6 * 1
M7 * 1
M8 * 1
M8 * 1.25
M10 * 1.25
M10 * 1.5
M12 * 1.25
M12 * 1.5
M12 * 1.75
M14 * 1.5
M14 * 2
M16 * 1.5
M16 * 2
M18 * 2.5
M20 * 2.5
M22 * 2.5
M24 * 3
M27 * 3
M30 * 3.5
M36 * 4
M42 * 4.5

Imperial Length (Inch)

Imperial Length (Feet)

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

Metric Length (Millimeter)

5 mm
6 mm
8 mm
10 mm
12 mm
14 mm
15 mm
16 mm
18 mm
20 mm
22 mm
25 mm
28 mm
30 mm
35 mm
40 mm
45 mm
50 mm
55 mm
60 mm
65 mm
70 mm
75 mm
80 mm
90 mm
100 mm
110 mm
120 mm
130 mm

Categories

Pressure screw
Pipe Fitting

System of Measurement

Imperial (Inch)

MATERIAL & PLATING

Black Oxide
Steel

Grade

*Grade* 8
*Grade* 10.9
*Grade* 12.9

Shape

Square

Fasteners Type

Button Head Cap Screw
Flat Head Cap Screw
Plug
Set Screw
Socket Head Cap Screw
Square Screw
Square

Thread Direction

Left Thread
Right Thread

Point Type

Cup
Dog
Flat Point
Oval Point

Drive

Allen
Square

Head

Low Head
Square
Standard

Country/region

Canada CAD $
United States USD $

Payment methods

© 2025, Les Attaches RJM

Choosing a selection results in a full page refresh.
Opens in a new window.