Online Parts Store › Phillips Machine Screw - Pan Head. 1/4"-20 x 6" Image 1 of 1 Phillips Machine Screw - Pan Head. 1/4"-20 x 6" $31.90 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Oval Head, #10 x 2-1/2" $29.85 Seachoice 01006 Lock Washer, #8 $15.43 Flat Washer, 1/2", .078" Thick, OD 1-1/4" $38.42 Flat Washer, #6, .032" Thick, OD 3/8" $8.19 Phillips Tapping Screws - Flat Head, #6 x 3/4" $10.33