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 CAD

Taxes, Discounts and shipping calculated at checkout

Language

English
Français

Bolts
Nuts
Washers
Socket Screws
Contact Us
About Us

Country/region

Search

Language

English
Français

Bolts
Nuts
Washers
Socket Screws
Contact Us
About Us

Search

Collection: Size 3/8"

Sort by:

321 of 891 products

Sort

Sort

321 of 891 products

Sort by:

Remove all

321 of 891 products

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1" Grade 8 [Cup Point] [Allen Drive]

Sale

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.67 $ CAD

Regular price ~~0.77 $ CAD~~ Sale price 0.67 $ CAD
Unit price per

Sale
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.97 $ CAD

Regular price Sale price 0.97 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-1/4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-1/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.72 $ CAD

Regular price Sale price 0.72 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-1/8" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-1/8" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.18 $ CAD

Regular price Sale price 1.18 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-3/4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-3/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.96 $ CAD

Regular price Sale price 0.96 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-3/8" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1-3/8" Grade 8 [Cup Point] [Allen Drive]

Regular price 4.75 $ CAD

Regular price Sale price 4.75 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.37 $ CAD

Regular price Sale price 0.37 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2" Grade 8 [Cup Point] [Allen Drive]

Sale

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.23 $ CAD

Regular price ~~1.70 $ CAD~~ Sale price 1.23 $ CAD
Unit price per

Sale
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.34 $ CAD

Regular price Sale price 1.34 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2-1/4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2-1/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.21 $ CAD

Regular price Sale price 1.21 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2-3/4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 2-3/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.37 $ CAD

Regular price Sale price 1.37 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.55 $ CAD

Regular price Sale price 1.55 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.02 $ CAD

Regular price Sale price 2.02 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3-1/4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3-1/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.21 $ CAD

Regular price Sale price 2.21 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3/4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.31 $ CAD

Regular price Sale price 0.31 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3/8" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 3/8" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.47 $ CAD

Regular price Sale price 0.47 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 4" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 4" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.23 $ CAD

Regular price Sale price 2.23 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 4-1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 4-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.65 $ CAD

Regular price Sale price 2.65 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 5" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 5" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.92 $ CAD

Regular price Sale price 2.92 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 5/8" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 5/8" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.29 $ CAD

Regular price Sale price 0.29 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 7/8" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 3/8-16 * 7/8" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.66 $ CAD

Regular price Sale price 0.66 $ CAD
Unit price per
Conical Hexagonal Nut Zinc Plated 3/8-16 Grade 8

Sale

Conical Hexagonal Nut Zinc Plated 3/8-16 Grade 8

Regular price From 0.10 $ CAD

Regular price ~~0.29 $ CAD~~ Sale price From 0.10 $ CAD
Unit price per

Sale
Flat Head Cap Screw Black Steel 3/8-16 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]

Sale

Flat Head Cap Screw Black Steel 3/8-16 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.92 $ CAD

Regular price ~~1.30 $ CAD~~ Sale price 0.92 $ CAD
Unit price per

Sale
Flat Head Cap Screw Black Steel 3/8-16 * 2-1/4" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/8-16 * 2-1/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.60 $ CAD

Regular price Sale price 0.60 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/8-16 * 2-3/4" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/8-16 * 2-3/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.90 $ CAD

Regular price Sale price 0.90 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/8-16 * 3" Grade 8 [Cup Point] [Allen Drive]

Sale

Flat Head Cap Screw Black Steel 3/8-16 * 3" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.12 $ CAD

Regular price ~~1.78 $ CAD~~ Sale price 1.12 $ CAD
Unit price per

Sale
Flat Head Cap Screw Black Steel 3/8-16 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Sale

Flat Head Cap Screw Black Steel 3/8-16 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.54 $ CAD

Regular price ~~2.67 $ CAD~~ Sale price 1.54 $ CAD
Unit price per

Sale
Flat Head Cap Screw Black Steel 3/8-16 * 3-1/4" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/8-16 * 3-1/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.43 $ CAD

Regular price Sale price 1.43 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/8-16 * 3-3/4" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/8-16 * 3-3/4" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.61 $ CAD

Regular price Sale price 1.61 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/8-16 * 4" Grade 8 [Cup Point] [Allen Drive]

Sale

Flat Head Cap Screw Black Steel 3/8-16 * 4" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.76 $ CAD

Regular price ~~3.49 $ CAD~~ Sale price 1.76 $ CAD
Unit price per

Sale
Flat Head Cap Screw Black Steel 3/8-16 * 4-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/8-16 * 4-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.80 $ CAD

Regular price Sale price 1.80 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/8-16 * 5" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/8-16 * 5" Grade 8 [Cup Point] [Allen Drive]

Regular price 1.87 $ CAD

Regular price Sale price 1.87 $ CAD
Unit price per

1
2
3
…
11

Filter

Refine

Thread Type

Coarse Thread [UNC]

Threading

Fully Threaded
Partially Threaded

Imperial Thread (Inch)

3/8-16

British Thread (Inch)

3/8-16

Imperial Length (Inch)

Imperial Length (Feet)

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

Categories

Bolt
nut
Pressure screw

System of Measurement

Imperial (Inch)

MATERIAL & PLATING

Black Oxide
Brass
Copper Nickel
Nylon
Steel
Yellow Zinc
Zinc

Grade

*Grade* 8

Shape

Square

Fasteners Type

Button Head Cap Screw
Conical
Flat Head Cap Screw
Hexagonal
Nylon Insert
Set Screw
Shoulder Screw
Socket Head Cap Screw
Square 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

Collection

Size 3/8"

clear

Country/region

Search

Language

English
Français

Payment methods

© 2026, Les Attaches RJM

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