8-8 x 1 1/4 Square Drive Flat Head Nibs Deck Screw Type 17 2/3 Thread 18-8 Stainless Steel M20 The nut has a serrated

The nut has a serrated flange that digs into the metal sheet when it is installed

this locknut offers excellent corrosion resistance and longevity

and electronics industries

Its hex head provides excellent grip for easy installation and removal using a standard wrench or socket

The 7/16-14 x 1 3/8 Hex Cap Screw Grade 5 Zinc is a high-strength

8-8 x 1 1/4 Square Drive Flat Head Nibs Deck Screw Type 17 2/3 Thread 18-8 Stainless Steel M20 The nut has a serratedThese 8 8 x 1 1 4 square drive flat head nibs deck screws are made of 18 8 stainless steel and have a Type 17 2 3 thread. They are designed for use in exterior applications and are ideal for fastening decking boards to joists. The square drive head allows for easy driving with a power tool, and the flat head design provides a flush finish. The nibs on the tip of the screws help to reduce splitting and ensure a secure hold.