part number: NAS145A48 NAS145A48 INTERNAL WRENCHING BOLT Internal wrenching bolt, drilled shank Material: Steel Length: 3 inch Grip: 2-7/16 inch Thread: 5/16-24 Head Diameter: 17/32 inch Hex: 5/16 inch MSRP: Now: $37.20 Add to Cart part number: NAS145A48 NAS145A48 INTERNAL WRENCHING BOLT MSRP: Now: $37.20 Add to Cart