These are specialty nylon pellet set screws we supply our long time aerospace customer on scheduled release blanket purchase order basis. The cup point set screws are made in the USA using 18-8 stainless steel material and are then run through the nylon pellet secondary operation. Our customer using approximately 500 pieces every six months and the lead time to prepare the initial shipment for these nylon pellet set screws is typically 1-2 weeks from order. Our internal part number is SSC-0808-INPELL.