OEM No.:HewWhitt HW1 Min Order:300 Piece/Pieces order FOB Price:USD 0.5~5 Piece/Pieces Summary:1. aerospace grade material--titanium Gr5 2. The head of our bolt are Hot forged for higher strength instead of Machined head. 3.The threads of our bolt are Rolled for greater fatigue resistnace and avoidiing galling instead of Cut threads.