Amazon.com: The Hillman... www.amazon.com

Amazon.com: Split Lock... www.amazon.com

Hillman 1 in. Stainless... www.homedepot.com

General Helical Spring... www.wclco.com

Amazon.com: Stainless Steel... www.amazon.com

Hillman Stainless Steel... www.tractorsupply.com

Amazon.com: Prime-Line... www.amazon.com

2 Stainless Steel Split... www.kljack.com

Split Lock Washers - Marine... www.proferred.tools

Galvanized Split Lock... www.bh-usa.com

Amazon.com: 1/4" Zinc... www.amazon.com

Everbilt M4 Zinc-Plated... www.homedepot.com

29578: Stainless-Steel 5/8... www.campbellsci.com

Split Lock Washer, #12 304... www.ebay.com

M10 Split Ring Lock Washer... www.aceraceparts.com

12 split lock washers for... www.eternalrival.com

1/2" Regular Split Lock... www.aftfasteners.com

Everbilt 6 mm Zinc-Plated... www.homedepot.com

3/8 - 316 Stainless Steel... www.bridgefasteners.com

Hillman 1/2 in. D... www.acehardware.com