Special Features:

The bolt has two undercut is 0.044 inches between head and shoulder with a diameter meter of between 0.277 and 0.281 inches and the second undercut is 0.125 inches between shoulder and threaded portion with a diameter of between 0.178 through 0.178 inches; the end is chamber 0.31 inches by 45 degrees

Properties:

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.