8-8 x 1 1/4 Square Drive Flat Head Nibs Deck Screw Type 17 2/3 Thread 18-8 Stainless Steel M20 The #12 Internal Tooth Lock

The #12 Internal Tooth Lock Washer is a high-quality fastener designed to prevent loosening and vibration in threaded assemblies

The zinc plating provides corrosion resistance and makes the nut suitable for use in a variety of applications

With its two large wings

The added lubricant coating reduces friction and facilitates easy assembly

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 #12 Internal Tooth LockThese 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.