12-8 x 1 1/2 Bugle Square Drive Coarse Thread Type 17 Point Deck Screw 18-8 Stainless Steel NF8PF it features a fine thread

it features a fine thread pitch of 12 threads per inch

and the 8-inch length provides ample grip for secure fastening

000 psi and is heat-treated for added durability

These bolts meet Grade 8 specifications for strength and durability

The M10 x 16 DIN 933 8

12-8 x 1 1/2 Bugle Square Drive Coarse Thread Type 17 Point Deck Screw 18-8 Stainless Steel NF8PF it features a fine threadThese 12 8 x 1 1 2 inch Bugle Square Drive Coarse Thread Type 17 Point Deck Screws are made of durable 18 8 stainless steel, providing excellent corrosion resistance. The coarse thread design ensures a strong hold in wood, while the Type 17 point reduces splitting and makes driving easier. The bugle head with square drive allows for a secure fit with minimal cam out. These screws are ideal for outdoor applications such as decks, fences, and other wood