Inquiry (采购产品): Carriage Bolt Good Morning, I am inquiring on the Thread length on your Carriage bolts and Hex Cap Screw. Checking to see if there is a "Standard" in the industry. Thanks for your assisatance in advance. **** Hidden Message ***** Ron Lavender 44149 Company: PrimeSource E-mail: lavenderr@primesourcebo.com **** Hidden Message ***** lavenderr@primesourcebo.com