This is a used Delta cutter head mounting bolt. This is a 3/8 24 tpi thread. This would be for the early jointers, later ones used 3/8-16 tpi bolts. Excellent, usable condition and it includes the lock washer. Shipping on this item is free via USPS or UPS. I do combine shipping wherever possible. I do ship internationally. Just email me and I will quote shipping to your country.