VERMONT GAGE 371139020 Thread Plug Gage, Standard, Go, 7/16-32 Un, 3A

Vermont 371139020 Go thread plug gauge checks the functioning thread and pitch diameter for both internal and externally threaded items.

Features:

• Vermont 371139020 Go thread plug gauge is made to Class X tolerances and is supplied with a certificate of accuracy.
• It features solid steel construction for durability and exhibits evidence of wear to let the user know when the gauge might need to be replaced.
• A single line of personalised marking (up to 25 characters) is included with no additional cost for easy handling.

Standards and Approvals:

• ANSI
• NIST

Frequently Asked Questions:

Q. What does class X tolerance mean?

A. It means that the gauge has an inch tolerance of 0.00004 inches and a Metric tolerance of 0.001 mm.

Q. What is the difference between plus and minus pin gauges?

A. A minus pin gauge set consists of pins with a tolerance less than the goal size, allowing the pin to fit inside the target dimension. Whereas a bore at the goal dimension is impossible with a plus pin gauge set which has pins with a defined tolerance above the target dimension.

Q. What is the difference between plug gauges and ring gauges?

A. Plug gauges are used to inspect internal threads, whilst ring gauges are used to inspect exterior threads. A GO gauge and a NO GO gauge are both included in each gauge.