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https://engineering-supplies.com/product/2871/j-1-4-20-unc-2a-screw-ring-thread-gauge-go-or-no-go-/
- Product: 1/4x20 UNC - 2A Screw Ring Thread Gauge
- Size: 1/4" x 20 UNC
- Type: Go or No-Go Ring Gauge BS1580, BS 919 Part 1 Class 2A
- Options: Go or NoGo Ring and UKAS Calibration see options box
- Part Number ES-2871
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£0.00
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