6 x 1 5/8 Phillips Bugle Head Coarse Thread Sharp Point Deck Screw Dacrotized 9/16-12 NE The 1/4-20 refers to the

The 1/4-20 refers to the bolt's diameter and thread pitch

Introducing the 5/8-18 x 3 Hex Tap Bolt Grade 8 Fully Threaded Zinc Yellow

It features a round head with a square neck

making this screw ideal for outdoor applications

6 x 1 5/8 Phillips Bugle Head Coarse Thread Sharp Point Deck Screw Dacrotized 9/16-12 NE The 1/4-20 refers to theThese 6 x 1 5 8 Phillips Bugle Head Coarse Thread Sharp Point Deck Screws are designed for superior performance in outdoor applications. Made from durable steel and coated with a protective Dacrotized finish, they resist corrosion and rust, ensuring longevity even in harsh weather conditions. The sharp point allows for easy penetration into wood, while the coarse thread provides a strong hold. The bugle head design countersinks flush with the surface