These are M8-1.25M X 24MM custom metric socket head cap screws made to print using 12.9 alloy steel with thermal black oxide finish. 4037 alloy steel was used to made these parts in the USA, heat treated to 39-45 HRC. We supply this part on an annual large volume revolving purchase order basis to a long time customer. Since the parts are domestically made, the lead times are between 6-8 weeks from order confirmation. Our internal part number is CLMP8-SC and the item is typically set up on an as-released revolving 12 month blanket purchase order basis. The customer uses these parts for the manufacturing of gardening tools.