6-13 x 1 1/4 Phillips Flat Head w/Nibs Deep Thread Wood Screw Type 17 Point 2/3 Thrd Zinc & Bake WUSSBZ The Grade 8 rating indicates

The Grade 8 rating indicates that the bolt is made of high-quality steel and is suitable for use in demanding applications

The nylon insert provides a positive locking action

Made from high-quality steel and coated with a black zinc finish for corrosion resistance

- Thread Roll: Yes

These high-performance 8 x 1 5/8 Six-Lobe (Torx) Flat Nibs Deck Screws Type 17 2/3 Thread Zinc Bake 1

6-13 x 1 1/4 Phillips Flat Head w/Nibs Deep Thread Wood Screw Type 17 Point 2/3 Thrd Zinc & Bake WUSSBZ The Grade 8 rating indicates6 13 x 1 1 4 Phillips Flat Head w Nibs Deep Thread Wood Screw Type 17 Point 2 3 Thrd Zinc & Bake: **Size:** 6 13 x 1 1 4 inches **Head Type:** Phillips flat head with nibs **Thread Type:** Deep thread **Point Type:** Type 17 **Thread Length:** 2 3 threaded **Material:** Zinc and baked finish **Features:** Nibs on the head provide additional grip, deep thread ensures a strong hold in wood, and zinc and baked finish provides corrosion resistance.