United Titanium manufactures and inventories flat slotted sheet metal screws from #4 to 1/4” diameter. We also have metric flat slotted sheet metal screws available upon request. These flat slotted sheet metal screws are manufactured to the most recent ASME B18.6.4, IFI, or customer stated standards with thread type AB as our standard. Our inventory is home to thousands of these flat slotted sheet metal screws in any of our various materials and sizes.