1/420 UNC, 3/4 OAL Phillips Drive Machine Screw MSC INDUSTRIALNOTE: ITEM MUST BE ORDERED IN MULTIPLES OF 25. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Bolts, Screws & Cap Screws. Machine Screws. N/A. KEYWORDS: MSC IndustrialBolts, Screws & Cap ScrewsScrewsMachine ScrewsN/A.