Simpson S10200DBB Bugle-Head Wood Deck Screw #10 x 2 in. #2 Square Drive Type 305 Stainless 2500-Pk Screw-Bolt+ (Hex Head) Why is Type 316 Stainless

Why is Type 316 Stainless Steel specified for these screws

T20 6-lobe driver bit (replacement bit model BITTX20-PL-RC3)

and fiber cement to steel substrates up to 0

Speed potentiometer dial controls a powerful inverter-driven head for smooth

Simpson S10200DBB Bugle-Head Wood Deck Screw #10 x 2 in. #2 Square Drive Type 305 Stainless 2500-Pk Screw-Bolt+ (Hex Head) Why is Type 316 StainlessSimpson S10200DBB Bugle Head Wood Screw, #10 x 2 in., #2 Square Drive, Type 305 Stainless Steel 2,500 Count is a premium exterior fastening solution from Simpson Strong Tie engineered for fastening all types of wood decking, including cedar, redwood, and preservative treated woods. The bugle head design provides flush countersinking for a clean, professional finish, while Type 305 stainless steel construction delivers high level corrosion resistance