and the phosphate coating ensures that the screws won't corrode

This box of 1000 #9 x 1 3/4 Simpson Strong-Drive® WSV SUBFLOOR Screws with a 6-Lobe T25 design provide a secure

countersunk finish

5/8-11 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

0.195 x 6 Washer Head Strong-Drive® SDPW Deflector Screw E-coat® Electrocoating SawTooth™ Point (T40 6-Lobe) Gray - Box (400) 5/16-24 Socket Cap Screws Alloy and the phosphate coating ensuresThe 0. 195 x 6 Washer Head Strong Drive SDPW Deflector Screw features an E coat Electrocoating and a SawTooth Point for superior holding power. The T40 6 Lobe design offers improved drive performance, making it suitable for a wide variety of applications. Each box contains 400 screws.