Contact Us Tri Star Engineering, Inc. 2455 Pan Am Blvd. Elk Grove Village, IL 60007 Phone: 847-595-3377 Email: sales@tristareng.com Request Quote Name*Telephone*Email* Please enter your tool specifications here*Related FilesPlease upload any related filesDo you want to enter J512 Seat Tool Dimensions?YesNoJ512 Seat Tool Dimensions For standard dash size tool, please enter in the dash size symbol in the chart below. For non-standard and metric sizes, please enter in as many fields as possible. Dash Size SymbolNominal Tube ODB: Nominal Thread Size UN-2BD: Minimum Effective CutE: Seat DiameterF: Thread Minor DiameterI: Seat DepthK: Seat DepthR: Maximum RadiusU: Countersink DiameterV: Countersink AngleOALMajorCheck the box below to help us stop spam.CAPTCHA