Online Parts Store › Phillips Machine Screw - Pan Head. 5/16"-18 x 2" Image 1 of 1 Phillips Machine Screw - Pan Head. 5/16"-18 x 2" $53.09 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Fender Washer #10, .062" Thick, OD 1" $48.06 Phillips Tapping Screw - Pan Head, #12 x 3/4" $37.60 Seachoice 01531 Hex Nut, 3/8-16 $30.68 Lag Screw, 3/8 x 3" $41.46 Phillips Wood Screw - Flat Head, #10 x 1-1/2" $44.84