8 x 1 1/2 Bugle Square Drive Coarse Thread Sharp Point Deck Screw Dacrotized 5/16-18-2 The washer is also helpful

The washer is also helpful in preventing galvanic corrosion between the bolt and the material being fastened

this hex cap screw is an excellent choice for construction

7/16 Medium Split Lock Washer Zinc Yellow are designed to prevent nuts and bolts from loosening due to vibration or movement

the 1/4-20 x 2 1/4 Carriage Bolt Fully Threaded Zinc is the perfect choice for a secure and long-lasting connection

8 x 1 1/2 Bugle Square Drive Coarse Thread Sharp Point Deck Screw Dacrotized 5/16-18-2 The washer is also helpfulThese 8 x 1 1 2 inch Bugle Square Drive Coarse Thread Sharp Point Deck Screws are designed for superior holding power in outdoor wood projects. Their sharp point allows for easy penetration, while the coarse thread provides a strong grip. The bugle head sits flush with the wood surface for a clean, professional finish. These screws are Dacrotized for corrosion resistance, making them ideal for use in decks, fences, and other outdoor structures. With