Its 5/8-11 thread size ensures a snug fit
The #6 Medium Split Lock Washer Black Zinc and Bake is a high-quality lock washer that is designed to prevent nuts and bolts from loosening due to vibration or other forces
Their countersunk design allows for a flush fit
and the flat head design provides a flush finish
It is made from steel that meets or exceeds the requirements of ASTM A354 Grade 9 and is coated with a zinc-nickel alloy that provides excellent corrosion resistance
9-8 x 2 1/2 Square Flat Nibs Deck Screw Type17 2/3 Thread Green Ceramic 1,200HR Salt Spray .406 Its 5/8-11 thread size ensuresThese 9 8 x 2 1 2 Square Flat Nibs Deck Screw Type17 2 3 Thread Green Ceramic 1,200HR Salt Spray are designed for exterior wood applications, such as decks, fences, and siding. They are made of hardened steel with a green ceramic coating that provides excellent corrosion resistance. The square flat nibs provide a secure hold in wood, and the Type 17 2 3 thread design ensures a strong grip. These screws are also self drilling, which eliminates the need