Bulk US / Inch Machine Screws

Looking to source high-volume, cost-effective US / Inch Machine Screws? Our bulk selection covers a wide range of options—flat head machine screws (in both 100° and 82° head styles) and pan head machine screws—available in zinc-coated steel, A2 stainless, and A4 stainless. Choose from Phillips or Torx (star / 6-lobe) drive styles to best suit your manufacturing, repair, or industrial project needs.

At Monster Bolts, we’re committed to delivering both quality and affordability. Our bulk pricing ensures major savings on large orders, while our knowledgeable team stands ready to assist with product selection.
Need smaller quantities? Click here to explore our standard US Machine Screws listings. Choose MonsterBULKS for a streamlined purchasing process and reliable performance on every job.