Order Minimum: $50. Free shipping: $1000. Buying bulk? Request a quote for volume pricing! Dismiss

Skip to content

Home
- Get to Know Your Fasteners (FAQ)
All Products
Contact
- About
- Shipping & Return Policy
My account
Cart
- Checkout
Request a Quote

Shopping Cart

No products in the cart.

Login
Sign Up

Username or Email Address

Password

Remember Me Forgot Password?

Continue with Google

Email

A link to set a new password will be sent to your email address.

Continue with Google

Username or Email Address

← Back to login

Home
- Get to Know Your Fasteners (FAQ)
All Products
Contact
- About
- Shipping & Return Policy
My account
Cart
- Checkout
Request a Quote

Shopping cart$0.00 0

No results

5/16"

Showing 85–126 of 260 resultsSorted by latest

5/16-18 x 3-1/2″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.41
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.37
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 2-1/2″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.32
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 2″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.27
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1-3/4″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.25
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1-1/2″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.22
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1-1/4″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.21
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1″ Grade 8 Hex TAP Bolt COARSE – YELLOW ZINC (FT)
$0.18
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 4-1/2″ Black Oxide Knurled Socket Head Cap Screw COARSE (PT)
$1.32
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 4-1/2″ Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.38
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 4-1/2″ Grade 8 Hex Cap Screw COARSE – YELLOW ZINC (PT)
$0.68
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16″ F-436 Structural Flat Washer – HOT DIPPED GALVANIZED (.344 ID x .688 OD x .080 THK)
$0.05
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16″ F-436 Structural Flat Washer – PLAIN (.344 ID x .688 OD x .080 THK)
$0.04
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16″ (USA) Thru-Hardened Extra Heavy Flat Washer SAE – YELLOW ZINC (OD 0.688, ID .344, THK 0.090-0.110)
$0.17
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ 18.8 Stainless Nylon Insert Locknut (NE Standard) COARSE
$0.08
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ Grade 8 Hex Jam Nut COARSE – PLAIN
$0.03
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ Grade 8 Hex Jam Nut COARSE – YELLOW ZINC
$0.04
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ Grade 5 Hex Jam Nut COARSE – ZINC
$0.04
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-24″ Grade G Hex Flange Top Lock Nut (Non-serrated) FINE – PHOSPHATE & OIL
$0.17
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ Grade G Hex Flange Top Lock Nut (Non-serrated) COARSE – PHOSPHATE & OIL
$0.14
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ A194 Grade 2H Heavy Hex Nut COARSE – PLAIN
$0.10
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ 18.8 (304) Stainless Acorn Nut COARSE
$0.33
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16″ 18.8 Stainless Commercial Standard Flat Washer (.343 ID x 3/4 OD x .050 Thick)
$0.04
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ (USA) Grade 5 Finished Hex Nut COARSE – ZINC
$0.37
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.84
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3-1/2″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.76
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3-1/4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.71
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.59
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 2-3/4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.55
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 2-1/2″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.46
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 2-1/4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.42
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 2″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.38
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1-3/4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.33
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1-1/2″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (PT)
$0.29
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1-1/4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (FT)
$0.25
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (FT)
$0.21
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3/4″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (FT)
$0.18
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 1/2″ (USA) Grade 5 Hex Cap Screw COARSE – ZINC (FT)
$0.18
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18″ (USA) Grade 8 Finished Hex Nut COARSE – YELLOW ZINC
$0.37
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 4″ (USA) Grade 8 Hex Cap Screw COARSE – YELLOW ZINC (PT)
$0.81
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3-1/2″ (USA) Grade 8 Hex Cap Screw COARSE – YELLOW ZINC (PT)
$0.72
Add to cart

‎ Quote

This product is already in your quote request list.

View quote
5/16-18 x 3-1/4″ (USA) Grade 8 Hex Cap Screw COARSE – YELLOW ZINC (PT)
$0.70
Add to cart

‎ Quote

This product is already in your quote request list.

View quote

Prev

1 2 3 4 5 6 7

Next

HomeAll Products5/16"

Use the Product Filter Below to Sort for Individual Items.

Diameter (in)

5/16"260

Thread

Coarse - UNC203
Fine - UNF31
Standard13

Length (in)

1/2"11
3/4"12
1"15
1 1/4"15
1 1/2"17
1 3/4"16
2"16
2 1/4"11
2 1/2"18
2 3/4"11
3"16
3 1/4"10
3 1/2"15
3 3/4"1
4"15
4 1/2"9
5"7
5 1/2"4
6"6

Grade

Grade 560
Grade 863
Grade 92
Grade A1
Grade C3
Grade G3
A2 (18.8/304) SS75
Low Carbon15
Thru Hardened4
Grade 2H1
F4362
Case Hardened1

Finish

Plain5
Phosphate & Oil3
Zinc64
Yellow Zinc67
Hot Dip Galvanized14
Thermal Black Oxide - Alloy31
Nickel1
Nylon1

Country of Origin

Import230
U.S.A.30

Get To Know Your Fasteners (FAQ)

•SAE Grade 5 vs. Grade 8

•Bolt, Nut, and Washer Grade Compatibility Chart

•All Fastener Finishes & Plating Explained

YouTube

Copyright © 2007, 2025 - Hanover Fasteners LLC