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 5 Plain Hex Cap Screw, Medium Carbon - 1.75 Inch (USA)

Grade 5 Plain Hex Cap Screw, Medium Carbon - 1.75 Inch (USA)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $39.99

Regular price Sale price $39.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Medium Carbon, Made in USA, 1/4"-20x4"

Grade 5 Hex Cap Screw, Medium Carbon, Made in USA, 1/4"-20x4"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Carbon Plain, 1.25 Inch, USA

Grade 5 Hex Cap Screw, Carbon Plain, 1.25 Inch, USA

Brand: OneMonroe (Monroe Engineering Products)

Regular price $12.99

Regular price Sale price $12.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Medium Carbon, 1/4"-28x5/8", USA Made

Grade 5 Hex Cap Screw, Medium Carbon, 1/4"-28x5/8", USA Made

Brand: OneMonroe (Monroe Engineering Products)

Regular price $15.99

Regular price Sale price $15.99
Unit price per

Sold out
Grade 8 Zinc Yellow Cr+3 Alloy Hex Cap Screw (Inch) - 1.75"

Grade 8 Zinc Yellow Cr+3 Alloy Hex Cap Screw (Inch) - 1.75"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $39.99

Regular price Sale price $39.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Medium Carbon, USA-Made, 3/8"-16x7"

Grade 5 Hex Cap Screw, Medium Carbon, USA-Made, 3/8"-16x7"

Brand: OneMonroe (Monroe Engineering Products)

Regular price $39.99

Regular price Sale price $39.99
Unit price per

Sold out
USA Grade 8 Alloy Hex Cap Screw

USA Grade 8 Alloy Hex Cap Screw

Brand: OneMonroe (Monroe Engineering Products)

Regular price $49.99

Regular price Sale price $49.99
Unit price per

Sold out
Grade 8 Zinc Yellow Hex Cap Screw, Alloy Steel, 3/8"-24 x 7/8", Coarse Thread

Grade 8 Zinc Yellow Hex Cap Screw, Alloy Steel, 3/8"-24 x 7/8", Coarse Thread

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Grade 8 Zinc Yellow Hex Cap Screw, Alloy (Inch)

Grade 8 Zinc Yellow Hex Cap Screw, Alloy (Inch)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Carbon Plain, 0.75 Inch Length, 1/2"-13 Thread, USA

Grade 5 Hex Cap Screw, Carbon Plain, 0.75 Inch Length, 1/2"-13 Thread, USA

Brand: OneMonroe (Monroe Engineering Products)

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Plain, Medium Carbon - 5/16"-24x5 1/2" (USA)

Grade 5 Hex Cap Screw, Plain, Medium Carbon - 5/16"-24x5 1/2" (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, Medium Carbon, USA-Made - 3-1/2 Inch

Grade 5 Hex Cap Screw, Medium Carbon, USA-Made - 3-1/2 Inch

Brand: OneMonroe (Monroe Engineering Products)

Regular price $49.99

Regular price Sale price $49.99
Unit price per

Sold out
Grade 5 Hex Cap Screw, Plain, Carbon Steel, USA-made (Inch)

Grade 5 Hex Cap Screw, Plain, Carbon Steel, USA-made (Inch)

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, 2.75 Inch, USA (Inch)

Grade 5 Hex Cap Screw, Medium Carbon, 2.75 Inch, USA (Inch)

Brand: OneMonroe (Monroe Engineering Products)

Regular price $49.99

Regular price Sale price $49.99
Unit price per

Sold out
Grade 8 Zinc Yellow Cr+3 Hex Cap Screw, Alloy, 4-1/2 Inch

Grade 8 Zinc Yellow Cr+3 Hex Cap Screw, Alloy, 4-1/2 Inch

Brand: OneMonroe (Monroe Engineering Products)

Regular price $12.99

Regular price Sale price $12.99
Unit price per

Sold out
Grade 8 Alloy Hex Cap Screw (USA) - 1.75 Inch, 7/8"-14 Thread, Coarse

Grade 8 Alloy Hex Cap Screw (USA) - 1.75 Inch, 7/8"-14 Thread, Coarse

Brand: OneMonroe (Monroe Engineering Products)

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out

1
…
148
149
150
151
152
…
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.