This steel hex head bolt is 11mm ( .43") long below the head. It has an M10 thread with a 1.5mm pitch. The head measures 17mm (.67") across the flats and is 5mm (.20") high. Black oxide finish.
Part Number B57
Made in USA
Price each $8.21
phone 413-773-8909, fax 413-773-5448, sales@compoundmanufacturing.com