Loading... Please wait...Long Form Certificates are available depending on the gage type. A Certificate of Compliance 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.
OUR OFFICES WILL BE CLOSED ON MONDAY, SEPTMEBER 7TH, 2026, IN OBSERVANCE OF LABOR DAY.
WE WILL RESUME NORMAL BUSINESS HOURS ON TUESDAY, SEPTEMBER 8TH, 2026
STI Taperlock Screw Thread Insert Plug Gage GO Member Only
Part Number: TLTMOTT.112-40GOSTI
Go Pitch Diameter: 0.1283"
Gage size: #4
Threads per inch: 40
Series: UNC
Class: 2B/3B-STI
Material: 01 Tool Steel 60-62 RC
Class X Tolerance