We supply our customer base a large number of different thread forming screws like these custom hex washer head trilobular screws manufactured overseas in Taiwan.  They measure 10/32 X 1/2 and are made using 410 stainless steel with heat treat for additional hardness and passivation to complete the production process.  Production is typically run at 100,000 pieces and we supply it to our long time OEM customer using 12 month blanket purchase orders.