We-re nuts about bolts. Imperial, Unified & Metric.
1 3/4 UNC x 11 3/4 Gr S HT BOLTS *SCREWED 2 3/4*
Product Code: HHONC1751175
Hex Head Bolts are available in various threads, materials & finishes. They have a plain portion under the head unlike a setscrew which is fully threaded.
from Kerridge Commercial Systems Ltd