We will be closed December 25-29 and January 1 for the Christmas and New Year's Holiday.
Long Form Certificates are $30.00 and $15.00 depending on the gage type. A Certificate of Conformance will be provided at no charge. Please add LFC to the cart if needed! They are located in the Long Form Certificate Category and in each Gage Category.
Please be sure to add your UPS or FedEx Collect account number in at checkout.
Gage size: 5/16"
Threads per inch: 24
Series: UNF
Class: 2B-STI
Material: 01 Tool Steel 60-62 RC
Class W Tolerance
Taperlock Screw Thread Insert Plug Gage Double-End Set Reference
Part Number: TLTDETT.250-28CL2BSTIREF
Go/NoGo with Handle
Go Pitch Diameter: 0.3395"
NoGo Pitch Diameter: 0.3433"