About Portland Bolt
This website is owned and operated by Portland Bolt and Manufacturing Company. The intent of this site is to provide engineers, contractors, fabricators, and fastener distributors with in-depth, technical information pertaining to ASTM A307. Please contact Kailey if you have questions, require additional information, need a price quote, or would like to place an order. For more information regarding Portland Bolt's manufacturing capabilities and full product line, visit www.portlandbolt.com.
