Home Hardware & Fasteners Machine Screws Phillips Head Machine Screws – Flat Head (10-24 x 3/4”) Marine Fasteners Inc Phillips Head Machine Screws – Flat Head (10-24 x 3/4”) $13.79 Phillips Head Machine Screws – Flat Head (10-24 x 3/4”) quantity Add to cart Product Details Product Details 10-24 x 3/4″. Stainless steel. Sold in boxes of 100 only.