Skip to content

Item added to your cart

View cart

Collection: Machine Screw Assortments

Filter and sort Filter

Filter and sort

Filter

4945 products

Type

CW (17 products)
HTUA (18 products)
Release (18 products)

Clear

Finish

Anodize (338 products)
Black Oxide (246 products)
Cadmium l (127 products)
Cadmium ll (361 products)
Passivate (245 products)
Phosphate (119 products)
Plain (316 products)

Clear

Material

Alloy (952 products)
Alloy Zinc-Yel Cr+3 (1030 products)
Aluminum Alloy (338 products)
Brass (618 products)
Cam: Mild Steel | Housing and Cylinder: Die-Cast Zinc (18 products)
Carbon Plain (944 products)
Carbon Steel (551 products)
Polyester (18 products)
Stainless Steel (245 products)

Clear

Size

1/4-20 (20 products)
1/4-28 (240 products)
5/16-18 (17 products)
5/16-24 (119 products)
3/8-16 (17 products)
3/8-24 (104 products)
2-64 (118 products)
3-56 (48 products)
4-48 (187 products)
5-44 (90 products)
6-40 (219 products)
8-32 (17 products)
8-36 (266 products)
10-24 (21 products)
10-32 (269 products)

Clear

Thickness

0.010" (18 products)

Clear

Sort by:

Remove all

Sort by:

4945 products

Grade 8 Hex Cap Screw, Alloy Steel, USA-Made, 1"-14x5" (Plain) (Standard Sizes)

Grade 8 Hex Cap Screw, Alloy Steel, USA-Made, 1"-14x5" (Plain) (Standard Sizes)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $17.99

Regular price Sale price $17.99
Unit price per

Sold out
Grade 5 Hex Cap Screw 3/8"-16x2" Plain Carbon Steel USA

Grade 5 Hex Cap Screw 3/8"-16x2" Plain Carbon Steel USA

Brand: OneMonroe (Monroe Engineering Products)

Regular price $25.99

Regular price Sale price $25.99
Unit price per

Sold out
Grade 8 Zinc Yellow Hex Cap Screw, Alloy, 3/4"-16x10"

Grade 8 Zinc Yellow Hex Cap Screw, Alloy, 3/4"-16x10"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $14.99

Regular price Sale price $14.99
Unit price per

Sold out
Grade 5 Hex Cap Screw - Medium Carbon, 4 Inch, Coarse Thread, USA

Grade 5 Hex Cap Screw - Medium Carbon, 4 Inch, Coarse Thread, USA

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Carbon Plain, 2.75 inch, Coarse Thread

Grade 5 Hex Cap Screw, Carbon Plain, 2.75 inch, Coarse Thread

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Medium Carbon Plain Finish, 2.25 Inch (USA)

Grade 5 Hex Cap Screw, Medium Carbon Plain Finish, 2.25 Inch (USA)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Grade 8 Hex Cap Screw, Alloy Steel, USA-made 7/8"-14x5 1/2"

Grade 8 Hex Cap Screw, Alloy Steel, USA-made 7/8"-14x5 1/2"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Grade 8 Alloy Hex Cap Screw, Plain Finish, 5/16"-18x3.25", USA-made

Grade 8 Alloy Hex Cap Screw, Plain Finish, 5/16"-18x3.25", USA-made

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Plain, Medium Carbon, 1"-14 x 6.5" (USA)

Grade 5 Hex Cap Screw, Plain, Medium Carbon, 1"-14 x 6.5" (USA)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $25.99

Regular price Sale price $25.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, USA-Made Carbon Steel, 3-1/2 Inch, Coarse Thread

Grade 5 Hex Cap Screw, USA-Made Carbon Steel, 3-1/2 Inch, Coarse Thread

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Grade 5 Plain Hex Cap Screw, Medium Carbon Steel (USA) - 1/4"-28x3 1/2"

Grade 5 Plain Hex Cap Screw, Medium Carbon Steel (USA) - 1/4"-28x3 1/2"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $34.99

Regular price Sale price $34.99
Unit price per

Sold out
Grade 5 Hex Cap Screw - Medium Carbon, USA (Inch) - 3/8"-16x7 1/2"

Grade 5 Hex Cap Screw - Medium Carbon, USA (Inch) - 3/8"-16x7 1/2"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $39.99

Regular price Sale price $39.99
Unit price per

Sold out
USA Grade 8 Plain Alloy Hex Cap Screw - Standard Sizes (Inch)

USA Grade 8 Plain Alloy Hex Cap Screw - Standard Sizes (Inch)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $49.99

Regular price Sale price $49.99
Unit price per

Sold out
Grade 8 Alloy Hex Cap Screw - USA Made (Standard Sizes, Inch)

Grade 8 Alloy Hex Cap Screw - USA Made (Standard Sizes, Inch)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $27.99

Regular price Sale price $27.99
Unit price per

Sold out
USA-Made Medium Carbon Grade 5 Hex Cap Screw, 4-1/2 Inch, Coarse Thread

USA-Made Medium Carbon Grade 5 Hex Cap Screw, 4-1/2 Inch, Coarse Thread

Brand: OneMonroe (Monroe Engineering Products)

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
USA-Made Grade 5 Hex Cap Screw, Plain Finish, Medium Carbon - 1/4"-28x1/2"

USA-Made Grade 5 Hex Cap Screw, Plain Finish, Medium Carbon - 1/4"-28x1/2"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out

1
…
189
190
191
192
193
…
310

The U.S. Manufacturing Revival is Here.

America’s first B2B digital marketplace exclusively for U.S. manufactured products.

Instagram
Translation missing: en.general.social.links.linkedin

Quick links

Browse All Categories
Seller Registration
Learn
About
Contact

Legal

Privacy Policy
Terms of Service
Shipping Policy
Refund Policy
Contact Information

Payment methods

© 2026, Maden

Privacy policy
Terms of service
Refund policy
Contact information

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