Description
SHS Thread Ring Gauge UNF 1/4–5/8
A thread ring gauge does for an external thread what a plug gauge does for an internal one. Two rings, GO and NO-GO, and the bolt either passes or it does not.
Available Sizes
- UNF 1/4-28
- UNF 5/16-24
- UNF 3/8-24
- UNF 7/16-20
- UNF 1/2-20
- UNF 9/16-18
- UNF 5/8-18
Key Features
- GO ring runs the full thread length; NO-GO must not go on past a couple of turns
- Rings are lapped to a class — confirm the class your inspection calls for
- Keep oiled and boxed; a rusted or knocked gauge is no longer a reference
Specifications
Specifications shown are for the base model; values vary by size. Contact us if you need the figures for a specific size.
About SHS
SHS is the mark of Sokuhansha Co., Ltd. (株式会社測範社) of Ota-ku, Tokyo, a Japanese specialist in screw thread gauges and ring gauges — thread plug and ring gauges, master rings and limit gauges, also sold under the JPG mark.
Ordering & Shipping
- Genuine product sourced through official Korean distribution
- Ships worldwide from South Korea by FedEx International Priority Express
- Import duties and taxes are payable by the recipient
- Bulk and trade pricing available on request
