1/2-13UNC | Imperial Thread Ring Gauge | 4633-1A1Insize Imperial Thread Ring Gauge Wallers Industrial Hardware is your local authorised distributor for the complete range of INSIZE Measuring Equipment products. Every INSIZE product comes with a 12 month professional warranty which is honored directly through our store for accurate and hassle free measuring for the professional and novice alike. Specifications : Go UNC Class 2A Standard ANSI B1. 2. Material: OHNS (Oil Hardened Non shrinking Steel),

Insize Digital Caliper

Used a protractor and level

Part No: 1124-BLOCK

Easy to use and adjust outside point vernier caliper to measure wall thickness inside bores and recesses

With driving wheel

Length: 316mm

Standard ANSI B1

Part Number: 4621-02

Non-rotating spindle

Supplied with Go and No-Go gauges together

Part no 2880-02

Easy to use and adjust outside neck vernier caliper to measure grooves and recesses