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Bolts
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Collection: Coarse Thread [UNC]

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244 of 8388 products

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244 of 8388 products

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

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

Regular price 7.46 $ CAD

Regular price Sale price 7.46 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 1/4-20 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 1/4-20 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.62 $ CAD

Regular price Sale price 2.62 $ 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 5.05 $ CAD

Regular price Sale price 5.05 $ CAD
Unit price per
Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Button Head Cap Screw Full Thread Black-Oxide Alloy Steel 5/16-18 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 4.22 $ CAD

Regular price Sale price 4.22 $ CAD
Unit price per
Button Head Cap Screw Full thread Stainless Steel 3/8-16 * 3-1/2" [Cup Point] [Allen Drive]

Button Head Cap Screw Full thread Stainless Steel 3/8-16 * 3-1/2" [Cup Point] [Allen Drive]

Regular price 11.50 $ CAD

Regular price Sale price 11.50 $ CAD
Unit price per
Button Head Cap Screw Full thread Stainless Steel 5/16-18 * 3-1/2" [Cup Point] [Allen Drive]

Button Head Cap Screw Full thread Stainless Steel 5/16-18 * 3-1/2" [Cup Point] [Allen Drive]

Regular price 6.23 $ CAD

Regular price Sale price 6.23 $ CAD
Unit price per
Eye Bolt With Shoulder Hot Dip Galvanized 1/2-13 * 3-1/2"

Eye Bolt With Shoulder Hot Dip Galvanized 1/2-13 * 3-1/2"

Regular price 7.83 $ CAD

Regular price ~~7.65 $ CAD~~ Sale price 7.83 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 1/2-13 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 1/2-13 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 5.23 $ CAD

Regular price Sale price 5.23 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 1/4-20 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 1/4-20 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 2.10 $ CAD

Regular price Sale price 2.10 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/4-10 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 3/4-10 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 9.79 $ CAD

Regular price Sale price 9.79 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 3/8-16 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

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

Regular price 3.86 $ CAD

Regular price ~~2.67 $ CAD~~ Sale price 3.86 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 5/16-18 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 5/16-18 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 3.44 $ CAD

Regular price Sale price 3.44 $ CAD
Unit price per
Flat Head Cap Screw Black Steel 5/8-11 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Sale

Flat Head Cap Screw Black Steel 5/8-11 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 6.63 $ CAD

Regular price ~~7.57 $ CAD~~ Sale price 6.63 $ CAD
Unit price per

Sale
Flat Head Cap Screw Black Steel 7/16-14 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Flat Head Cap Screw Black Steel 7/16-14 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]

Regular price 7.23 $ CAD

Regular price Sale price 7.23 $ CAD
Unit price per
Flat Head Cap Screw Full Thread Stainless Steel 1/4-20 * 3-1/2" [Cup Point] [Allen Drive]

Flat Head Cap Screw Full Thread Stainless Steel 1/4-20 * 3-1/2" [Cup Point] [Allen Drive]

Regular price From 2.56 $ CAD

Regular price Sale price From 2.56 $ CAD
Unit price per
Flat Head Cap Screw Full Thread Stainless Steel 5/8-11 * 3-1/2" [Cup Point] [Allen Drive]

Flat Head Cap Screw Full Thread Stainless Steel 5/8-11 * 3-1/2" [Cup Point] [Allen Drive]

Regular price 30.54 $ CAD

Regular price Sale price 30.54 $ CAD
Unit price per
Flat Head Machine Screw Full Thread Zinc 1/4-20 * 3-1/2" [Quadrex Drive]

Flat Head Machine Screw Full Thread Zinc 1/4-20 * 3-1/2" [Quadrex Drive]

Regular price 0.53 $ CAD

Regular price Sale price 0.53 $ CAD
Unit price per
Flat Head Machine Screw Full Thread Zinc 10-24 * 3-1/2" [Quadrex Drive]

Flat Head Machine Screw Full Thread Zinc 10-24 * 3-1/2" [Quadrex Drive]

Regular price 0.65 $ CAD

Regular price Sale price 0.65 $ CAD
Unit price per
Flat Head Machine Screw Full Thread Zinc 10-24 * 3-1/2" [Square Drive]

Flat Head Machine Screw Full Thread Zinc 10-24 * 3-1/2" [Square Drive]

Regular price 0.65 $ CAD

Regular price Sale price 0.65 $ CAD
Unit price per
Flat Head Metal Screw Full Thread Stainless Steel #12 * 3-1/2" [Square Drive]

Flat Head Metal Screw Full Thread Stainless Steel #12 * 3-1/2" [Square Drive]

Regular price 1.79 $ CAD

Regular price ~~0.97 $ CAD~~ Sale price 1.79 $ CAD
Unit price per
Flat Head Metal Screw Full Thread Stainless Steel #14 * 3-1/2" [Philips Drive]

Flat Head Metal Screw Full Thread Stainless Steel #14 * 3-1/2" [Philips Drive]

Regular price 1.75 $ CAD

Regular price ~~1.11 $ CAD~~ Sale price 1.75 $ CAD
Unit price per
Flat Head Wood Screw Stainless Steel #10 * 3-1/2" [Square Drive]

Flat Head Wood Screw Stainless Steel #10 * 3-1/2" [Square Drive]

Regular price From 1.66 $ CAD

Regular price Sale price From 1.66 $ CAD
Unit price per
Flat Head Wood Screw Zinc #10 * 3-1/2" [Square Drive]

Flat Head Wood Screw Zinc #10 * 3-1/2" [Square Drive]

Regular price From 0.26 $ CAD

Regular price Sale price From 0.26 $ CAD
Unit price per
Flat Head Wood Screw Zinc #12 * 3-1/2" [Square Drive]

Flat Head Wood Screw Zinc #12 * 3-1/2" [Square Drive]

Regular price From 0.32 $ CAD

Regular price Sale price From 0.32 $ CAD
Unit price per
Flat Head Wood Screw Zinc #8 * 3-1/2" [Square Drive]

Flat Head Wood Screw Zinc #8 * 3-1/2" [Square Drive]

Regular price From 0.17 $ CAD

Regular price Sale price From 0.17 $ CAD
Unit price per
Flat Head Wood Screw [Type 17] Stainless Steel #10 * 3-1/2" [Square Drive]

Flat Head Wood Screw [Type 17] Stainless Steel #10 * 3-1/2" [Square Drive]

Regular price From 0.80 $ CAD

Regular price ~~0.63 $ CAD~~ Sale price From 0.80 $ CAD
Unit price per
Flat Head Wood Screw [Type 17] Stainless Steel #12 * 3-1/2" [Square Drive]

Flat Head Wood Screw [Type 17] Stainless Steel #12 * 3-1/2" [Square Drive]

Regular price From 0.56 $ CAD

Regular price Sale price From 0.56 $ CAD
Unit price per
Flat Head Wood Screw [Type 17] Stainless Steel #14 * 3-1/2" [Square Drive]

Flat Head Wood Screw [Type 17] Stainless Steel #14 * 3-1/2" [Square Drive]

Regular price From 1.85 $ CAD

Regular price Sale price From 1.85 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 1/2 * 3-1/2"

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

Regular price From 2.01 $ CAD

Regular price Sale price From 2.01 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 3/8 * 3-1/2"

Hexagonal Lag Screw Hot Dip Galvanized 3/8 * 3-1/2"

Regular price From 1.61 $ CAD

Regular price Sale price From 1.61 $ 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 1.40 $ CAD

Regular price Sale price From 1.40 $ CAD
Unit price per
Hexagonal Lag Screw Hot Dip Galvanized 5/8 * 3-1/2"

Hexagonal Lag Screw Hot Dip Galvanized 5/8 * 3-1/2"

Regular price From 6.26 $ CAD

Regular price Sale price From 6.26 $ CAD
Unit price per

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Thread Type

Coarse Thread [UNC]

Threading

Fully Threaded
Partially Threaded

Imperial Thread (Inch)

8-32
10-24
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

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

Screw Diameter

#8
#10
#12
#14

Imperial Length (Inch)

3-1/2 Length

Categories

Bolt
Eye Bolt
Machine Screw
Metal Screw
Pressure screw
Wood Screw
Lifting

System of Measurement

Imperial (Inch)

MATERIAL & PLATING

Black Oxide
Cadium Plated
Galvanized
Stainless Steel
Steel
Yellow Zinc
Zinc

Stainless Steel Grade

316 Stainless Steel

Grade

*Grade* 2
*Grade* 5
*Grade* 8
Grade A325
Grade A490

Shape

Square

Fasteners Type

Anti-Thief Screw
Button Head Cap Screw
Flat Head
Flat Head Cap Screw
Hexagonal
Lag Screw
Pan Head
Plow Bolt
Set Screw
Shoulder Screw
Socket Head Cap Screw
Square Screw
Truss Head
Structural
Square

Thread Direction

Right Thread

Head Color

White Head
Black Head

Point Type

Cup
Dog
Flat Point
Oval Point
Type 17

Drive

Allen
Allen Pin-In
Philips
Quadrex
Square

Head

Square
Standard

Classification

Asme B19 2 1
Sae J429
Asme B18 5
Asme B18 2 6
Astm A325
Astm F312
Astm A307

Country/region

Canada CAD $
United States USD $

Language

English
Français

Payment methods

© 2025, Les Attaches RJM

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