5/16 x 7 Square Pan Gutter Screw Brown (10)

Hardness: Rockwell hardness ranges from B68 to C32

1 1/8-7 x 4 Socket Cap Screw Alloy

Made in Germany

7 x 1 5/8 Simpson Trim-Head Wood Decking Screws - Square Drive 316 SS - Bulk Pail (1750) SNAPSKRU Drywall Anchors 5/16 x 7 Square Pan7 x 1 5 8 Simpson Trim Head Wood Decking Screws Square Drive 316 SS Bulk Pail (1750) . #1 square recess drive and trim head with a Type 17 tip for faster starts and to resist splitting in hardwoods. Coarse threads run approximately 2 3 up the shank to draw the decking tightly to the substrate. Pre drilling is recommended near board ends to reduce splitting. Use only with stable woods and wood substitutes for less noticeable fastening. Slender #7 shank