This is a small 4-40 X 5/16 special copper machine screw supplied at just 100 pieces. Small quantity special fastener orders like this are a daily routine for us and we can supply specials to print in just about any material. Copper 110 material was used on this specific part and we were able to deliver the parts to our customer within 10 business days from order.
Engineered Source Inc
Supplier and Distributor of Fasteners & Related Products
Santa Ana - Orange County - Los Angeles - Inland Empire - San Diego - Southern California - Cont. United States - Mexico