Typical hardness will reach a maximum of Rockwell C28

9/16-12 x 2 3/4 Hex Cap Screw SS 316 (A4)

27/64 Heavy Duty Jobber Drill Bit

3/4-10 x 7 1/2 Hex Cap Screw SS 18-8 (A2)

1/2-13 x 3 3/4 Hex Cap Screw SS 316 (A4)

8 x 2 Star Flat Decking Screws w/ NIBS Yellow Zinc Plated T17 - Carton (3500) 1/2-13 Hex Tap Bolts 18-8 Stainless Steel Typical hardness will reach a8 x 2 Star Flat Decking Screws w NIBS Yellow Zinc Plated T17 Carton (3500) . Exterior wood screws used for attaching wood to wood. Exterior wood screws used in fencing, decks and patios 90 hr. salt spray resistance Used in low corrosion applications Star drive prevents cam out and stripping for improved drivability