1/2-20 Go Screw Ring Gauges UNF Description : 1/2 x 20 UNF Go Screw Ring Gauge Class : 2A Gauges for testing Unified threads to BS 1580: Parts 1&2:2007, BS 1580: Part 3: 2007, and BS2B
$1.80$3.00
available: In Stock
UNC/UNF Go/No-Go Ring Gauge Class 2A Tolerance Right Hand Standard ANSI/ASME B1.2
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