Online Parts Store › Square Tapping Screw - Pan Head, #10 x 3/4" Image 1 of 1 Square Tapping Screw - Pan Head, #10 x 3/4" $31.93 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Carriage Bolt, 1/2"-13 x 3" $92.78 Phillips Tapping Screws - Flat Head, #4 x 3/4" $13.73 Stainless Fender Washer 1/4", .062" Thick1/4", OD1-1/4" $59.33 Phillips Tapping Screws - Flat Head, #6 x 5/8" $9.57 Nylon Insert Locknut - Stainless 1/4-20 $27.84