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: 5/16-18

Sort by:

768 products

Sort

Sort

768 products

Sort by:

Remove all

768 products

Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 2-1/2" [Philips Drive]

Sale

Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 2-1/2" [Philips Drive]

Regular price 0.62 $ CAD

Regular price ~~1.35 $ CAD~~ Sale price 0.62 $ CAD
Unit price per

Sale
Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 3" [Philips Drive]

Sale

Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 3" [Philips Drive]

Regular price 0.94 $ CAD

Regular price ~~1.91 $ CAD~~ Sale price 0.94 $ CAD
Unit price per

Sale
Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 3/4" [Philips Drive]

Sale

Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 3/4" [Philips Drive]

Regular price 0.28 $ CAD

Regular price ~~0.51 $ CAD~~ Sale price 0.28 $ CAD
Unit price per

Sale
Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 4" [Philips Drive]

Sale

Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 4" [Philips Drive]

Regular price 1.61 $ CAD

Regular price ~~3.42 $ CAD~~ Sale price 1.61 $ CAD
Unit price per

Sale
Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 5" [Philips Drive]

Flat Head Machine Screw Full Thread Stainless Steel 5/16-18 * 5" [Philips Drive]

Regular price 1.88 $ CAD

Regular price Sale price 1.88 $ CAD
Unit price per
Flat Head Machine Screw Full Thread Zinc 5/16-18 * 2-1/2" [Quadrex Drive]

Flat Head Machine Screw Full Thread Zinc 5/16-18 * 2-1/2" [Quadrex Drive]

Regular price 0.24 $ CAD

Regular price Sale price 0.24 $ CAD
Unit price per
Flat Head Machine Screw Full Thread Zinc 5/16-18 * 4" [Quadrex Drive]

Flat Head Machine Screw Full Thread Zinc 5/16-18 * 4" [Quadrex Drive]

Regular price 0.30 $ CAD

Regular price Sale price 0.30 $ CAD
Unit price per
Flat Head Trailer Floor Wood-Metal Thread-Forming Screw Black-Phosphate Steel 5/16-18 * 2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Trailer Floor Wood-Metal Thread-Forming Screw Black-Phosphate Steel 5/16-18 * 2" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.34 $ CAD

Regular price Sale price 0.34 $ CAD
Unit price per
Flat Head Trailer Floor Wood-Metal Thread-Forming Screw Black-Phosphate Steel 5/16-18 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Trailer Floor Wood-Metal Thread-Forming Screw Black-Phosphate Steel 5/16-18 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.42 $ CAD

Regular price Sale price 0.42 $ CAD
Unit price per
Flat Head Trailer Floor Wood-Metal Thread-Forming Screw Black-Phosphate Steel 5/16-18 * 3" Grade 8 [Cup Point] [Allen Drive]

Flat Head Trailer Floor Wood-Metal Thread-Forming Screw Black-Phosphate Steel 5/16-18 * 3" Grade 8 [Cup Point] [Allen Drive]

Regular price 0.49 $ CAD

Regular price Sale price 0.49 $ CAD
Unit price per
Hammer-Close Connecting Link Zinc 5/16-18

Hammer-Close Connecting Link Zinc 5/16-18

Regular price 11.94 $ CAD

Regular price Sale price 11.94 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 3-1/2"

Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 3-1/2"

Regular price From 0.59 $ CAD

Regular price Sale price From 0.59 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 4-1/2"

Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 4-1/2"

Regular price From 0.67 $ CAD

Regular price Sale price From 0.67 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 5"

Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 5"

Regular price From 0.74 $ CAD

Regular price Sale price From 0.74 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 5-1/2"

Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 5-1/2"

Regular price From 0.80 $ CAD

Regular price Sale price From 0.80 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 6"

Hexagonal Lag Screw Hot Dip Galvanized 5/16 * 6"

Regular price From 0.87 $ CAD

Regular price Sale price From 0.87 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 1"

Hexagonal Lag Screw Stainless Steel 5/16 * 1"

Regular price 0.39 $ CAD

Regular price Sale price 0.39 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 1-1/2"

Hexagonal Lag Screw Stainless Steel 5/16 * 1-1/2"

Regular price 0.47 $ CAD

Regular price Sale price 0.47 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 1-1/4"

Hexagonal Lag Screw Stainless Steel 5/16 * 1-1/4"

Regular price 0.42 $ CAD

Regular price Sale price 0.42 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 1-3/4"

Hexagonal Lag Screw Stainless Steel 5/16 * 1-3/4"

Regular price 0.66 $ CAD

Regular price Sale price 0.66 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 10"

Hexagonal Lag Screw Stainless Steel 5/16 * 10"

Regular price 4.10 $ CAD

Regular price Sale price 4.10 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 2"

Hexagonal Lag Screw Stainless Steel 5/16 * 2"

Regular price 0.71 $ CAD

Regular price Sale price 0.71 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 2-1/2"

Hexagonal Lag Screw Stainless Steel 5/16 * 2-1/2"

Regular price 0.72 $ CAD

Regular price Sale price 0.72 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 3"

Hexagonal Lag Screw Stainless Steel 5/16 * 3"

Regular price 0.74 $ CAD

Regular price Sale price 0.74 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 3-1/2"

Hexagonal Lag Screw Stainless Steel 5/16 * 3-1/2"

Regular price 0.90 $ CAD

Regular price Sale price 0.90 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 4"

Hexagonal Lag Screw Stainless Steel 5/16 * 4"

Regular price 1.33 $ CAD

Regular price Sale price 1.33 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 4-1/2"

Hexagonal Lag Screw Stainless Steel 5/16 * 4-1/2"

Regular price 1.37 $ CAD

Regular price Sale price 1.37 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 5"

Hexagonal Lag Screw Stainless Steel 5/16 * 5"

Regular price 1.41 $ CAD

Regular price Sale price 1.41 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 5-1/2"

Hexagonal Lag Screw Stainless Steel 5/16 * 5-1/2"

Regular price 1.54 $ CAD

Regular price Sale price 1.54 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 6"

Hexagonal Lag Screw Stainless Steel 5/16 * 6"

Regular price 1.75 $ CAD

Regular price Sale price 1.75 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 6-1/2"

Hexagonal Lag Screw Stainless Steel 5/16 * 6-1/2"

Regular price 2.11 $ CAD

Regular price Sale price 2.11 $ CAD
Unit price per
Hexagonal Lag Screw Stainless Steel 5/16 * 7"

Hexagonal Lag Screw Stainless Steel 5/16 * 7"

Regular price 2.51 $ CAD

Regular price Sale price 2.51 $ CAD
Unit price per

1
2
3
4
5
6
…
24

Filter

Refine

Thread Type

Coarse Thread [UNC]

Threading

Fully Threaded
Partially Threaded

Imperial Thread (Inch)

5/16-18

British Thread (Inch)

5/16-18

Imperial Length (Inch)

Imperial Length (Feet)

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

Categories

Anchor
Bolt
Eye Bolt
Eye Nut
Eye to Eye Swivels
Machine Screw
nut
Pressure screw
Screw-Pin Shackles
Threaded Rod
Wedge Bolt Anchors
Concrete Screw
Lifting
Links
Rivets

System of Measurement

Imperial (Inch)

MATERIAL & PLATING

Black Oxide
Black Phosphate
Brass
Cadium Plated
Copper Nickel
Galvanized
Nickel
Silicone Bronze
Stainless Steel
Steel
Yellow Zinc
Zinc

Stainless Steel Grade

316 Stainless Steel

Grade

*Grade* 2
*Grade* 5
*Grade* 8
*Grade* 9
*Grade* B7
*Grade* 80

Shape

Square

Fasteners Type

Button Head Cap Screw
Cap
Conical
Connecting
Coupling
Elevator
Flanged
Flat Head
Flat Head Cap Screw
Full Thread
Hexagonal
K Lock
Lag Screw
Nylon Insert
Pan Head
Round Head
Set Screw
Shoulder Screw
Socket Head Cap Screw
Square Screw
Tee Nut
Trailer Floor Screw
Truss Head
Undercut Flat Head
Wedge Bolt Anchors
Weldable
Wing
Hook
Square

Thread Direction

Right Thread

Point Type

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

Drive

Allen
Philips
Quadrex
Slotted
Square

Head

Square
Standard

Classification

Asme B19 2 1
Sae J429
Asme B18 5
Ifi 111
Ansi Asme B 18 5
Astm A307

Color

Yellow

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.