Online Parts Store › Phillips Machine Screw - Pan Head. 12-24 x 3/4" Image 1 of 1 Phillips Machine Screw - Pan Head. 12-24 x 3/4" $47.99 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Oval Head #10 x 1-1/4" $57.05 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 Stainless Cotter Pin $147.38 Seachoice 01013 Lock Washer, 3/8" $58.45 Nylon Flat Washer #10, 0.32" Thick, OD 7/16" $17.32