501-424-0670

As Seen On Shark Tank

Hy-Conn

Shop
- COMMERCIAL
  - HOME
    - 3/4"
- FIRE
  - FIRE
    - 1-1/2"
    - 2-1/2"
    - 4"
    - 4.8"
    - 4-1/2"
    - 5.6"
    - 6"
Contact

Sign In
0
0

0 items ( $0.00 )

View the Full Cart

Shop
- COMMERCIAL
  - HOME
    - 3/4"
- FIRE
  - FIRE
    - 1-1/2"
    - 2-1/2"
    - 4"
    - 4.8"
    - 4-1/2"
    - 5.6"
    - 6"
Contact

Black-Oxide Steel SAE Washer for 5/16" Screw Size, 0.344" ID, 0.688" OD (Packs of 100)

Black-Oxide Steel SAE Washer for 5/16" Screw Size, 0.344" ID, 0.688" OD (Packs of 100)

no image

Overview

Black-Oxide Steel SAE Washer for 5/16" Screw Size, 0.344" ID, 0.688" OD (Packs of 100)

Let's work
together.

To Save Lives.

Categories

Commercial
Fire
Professional

Explore

Home
Contact
Shipping & Returns
Privacy Policy
Terms & Conditions

Account

Account
Shopping Lists
Cart
Checkout

Contact

2111 N 2nd Street,
Cabot, AR 72023

Phone: 501-424-0670

info@hy-conn.com

© 2026 hy-conn.com All rights reserved. PATENT NO. 8567823