Reference Gauges for Calibration, Inspection & Quality Control
MQS supplies a comprehensive range of Reference Gauges designed for calibration, inspection and precision measurement applications. Our range includes high-accuracy reference standards used to verify measuring instruments and maintain traceable measurement processes across engineering and manufacturing environments.
Reference gauges play a critical role in quality assurance, helping organisations achieve reliable measurement results and comply with industry quality standards.
Why Choose MQS Reference Gauges?
✔ High Accuracy Calibration Standards
✔ Suitable for Inspection & Quality Control
✔ Leading Metrology Brands
✔ Expert Technical Support
✔ UKAS Calibration Services Available
Browse our range of reference gauges or contact the MQS team for assistance in selecting the most suitable solution for your calibration and inspection requirements.
UNC Ring Gauge Class 2A (Go) Size 1-8UNC Code Number P9028-G18
Sale price£85.00
Regular price£85.00
UNC Ring Gauge Class 2A (No Go) Size 6-32UNC Code Number P9028-N32 (Copy)
Sale price£48.00
Regular price£48.00
UNF Ring Gauge Class 2A (Go) Size 5/8-18UNF Code Number P9028-G5/818
Sale price£60.00
Regular price£60.00
UNF Ring Gauge Class 2A (Go) Size 5-44UNF Code Number P9028-G544
Sale price£66.00
Regular price£66.00
UNC Ring Gauge Class 2A (No-Go) Size 3/4-10UNC Code Number P9028-N3/410 (Copy)
Sale price£65.00
Regular price£65.00
UNC Ring Gauge Class 2A (No-Go) Size 3-48UNC Code Number P9028-N348 (Copy)
Sale price£60.00
Regular price£60.00
UNF Ring Gauge Class 2A (Go) Size 3-56UNF Code Number P9028-G356
Sale price£66.00
Regular price£66.00
UNF Ring Gauge Class 2A (Go) Size 3-48UNF Code Number P9028-G348
Sale price£60.00
Regular price£60.00
UNC Ring Gauge Class 2A (Go) Size 1-1/4-7UNC Code Number P9028-G11/47
Sale price£110.00
Regular price£110.00
UNC Ring Gauge Class 2A (No Go) Size 1/4-20UNC Code Number P9028-N1/420 (Copy)
Sale price£48.00
Regular price£48.00
UNC Ring Gauge Class 2A (No-Go) Size 12-24UNC Code Number P9028-N1224 (Copy)
Sale price£48.00
Regular price£48.00
UNC Ring Gauge Class 2A (No-Go) Size 5/8-11UNC Code Number P9028-N5/811 (Copy)
Sale price£65.00
Regular price£65.00
UNF Ring Gauge Class 2A (Go) Size 1/4-28UNF Code Number P9028-G1/428
Sale price£50.00
Regular price£50.00
UNF Ring Gauge Class 2A (Go) Size 6-40UNF Code Number P9028-G640
Sale price£50.00
Regular price£50.00
UNF Ring Gauge Class 2A (Go) Size 3/8-24UNF Code Number P9028-G3/824
Sale price£56.00
Regular price£56.00
UNC Ring Gauge Class 2A (No-Go) Size 4-40UNC Code Number P9028-N440 (Copy)
Sale price£48.00
Regular price£48.00
UNF Ring Gauge Class 2A (Go) Size 4 -48UNF Code Number P9028-G448
Sale price£60.00
Regular price£60.00
UNC Ring Gauge Class 2A (No-Go) Size 1-1/4-7UNC Code Number P9028-N11/47 (Copy)
Sale price£110.00
Regular price£110.00
UNC Ring Gauge Class 2A (No-Go) Size 1-1/2-6UNC Code Number P9028-N11/26 (Copy)
Sale price£120.00
Regular price£120.00
UNF Ring Gauge Class 2A (Go) Size 8-36UNF Code Number P9028-G836
Sale price£50.00
Regular price£50.00
UNF Ring Gauge Class 2A (Go) Size 7/16-20UNF Code Number P9028-G7/1620
Sale price£55.00
Regular price£55.00
UNC Ring Gauge Class 2A (No-Go) Size 1-8UNC Code Number P9028-N18
Sale price£85.00
Regular price£85.00
UNC Ring Gauge Class 2A (Go) Size 1-1/2-6UNC Code Number P9028-G11/26
Sale price£120.00
Regular price£120.00
UNC Ring Gauge Class 2A (Go) Size 1-1/8-7UNC Code Number P9028-G11/87
Sale price£99.00
Regular price£99.00
UNC Ring Gauge Class 2A (No-Go) Size 5/16-18UNC Code Number P9028-N5/1618 (Copy)
Sale price£48.00
Regular price£48.00
UNC Ring Gauge Class 2A (No-Go) Size 8-32UNC Code Number P9028-N832 (Copy)
Sale price£48.00
Regular price£48.00
UNF Ring Gauge Class 2A (Go) Size 7/8-14UNF Code Number P9028-G7/814
Sale price£85.00
Regular price£85.00
UNC Ring Gauge Class 2A (No-Go) Size 1-3/8-6UNC Code Number P9028-N3/86 (Copy)
Sale price£115.00
Regular price£115.00
UNC Ring Gauge Class 2A (No-Go) Size 7/8-9UNC Code Number P9028-N7/89 (Copy)
Sale price£80.00
Regular price£80.00
UNF Ring Gauge Class 2A (No-Go) Size 3-56 UNF Code Number P9028-N356
Sale price£60.00
Regular price£60.00
UNF Ring Gauge Class 2A (Go) Size 12-28UNF Code Number P9028-G1228
Sale price£50.00
Regular price£50.00
UNC Ring Gauge Class 2A (No-Go) Size 3/8-16UNC Code Number P9028-N3/816 (Copy)
Sale price£48.00
Regular price£48.00
UNF Ring Gauge Class 2A (Go) Size 9/16-18UNF Code Number P9028-G9/1618
Sale price£55.00
Regular price£55.00
UNF Ring Gauge Class 2A (Go) Size 2-64UNF Code Number P9028-G264
Sale price£70.00
Regular price£70.00
UNF Ring Gauge Class 2A (Go) Size 5/16-24UNF Code Number P9028-G5/1624
Sale price£50.00
Regular price£50.00
UNC Ring Gauge Class 2A (No-Go) Size 1-1/8-7UNC Code Number P9028-N11/87 (Copy)
Sale price£99.00
Regular price£99.00
UNF Ring Gauge Class 2A (Go) Size 1-12UNF Code Number P9028-G112
Sale price£100.00
Regular price£100.00
UNF Ring Gauge Class 2A (Go) Size 1/2-20UNF Code Number P9028-G1/220
Sale price£55.00
Regular price£55.00
UNF Ring Gauge Class 2A (No-Go) Size 7/8-14 UNF Code Number P9028-N7814
Sale price£65.00
Regular price£65.00
UNF Ring Gauge Class 2A (Go) Size 1-1/2-12UNF Code Number P9028-G11/212
Sale price£140.00
Regular price£140.00
UNC Ring Gauge Class 2A (No-Go) Size 5/16-18UNC Code Number P9028-N51618
Sale price£48.00
Regular price£48.00
UNC Ring Gauge Class 2A (No-Go) Size 9/16 x 12 UNC Code Number P9028-N91612
Sale price£48.00
Regular price£48.00
UNF Ring Gauge Class 2A (No-Go) Size 5/8-18 UNF Code Number P9028-N5818
Sale price£50.00
Regular price£50.00
UNC Ring Gauge Class 2A (No-Go) Size 7/16-14 UNC Code Number P9028-N71614
Sale price£48.00
Regular price£48.00
UNF Ring Gauge Class 2A (No-Go) Size 3/8-24 UNF Code Number P9028-N3824
Sale price£50.00
Regular price£50.00
UNF Ring Gauge Class 2A (No-Go) Size 3/4-16 UNF Code Number P9028-N3416
Sale price£50.00
Regular price£50.00
UNF Ring Gauge Class 2A (No-Go) Size 9/16-18 UNF Code Number P9028-N91618
Sale price£50.00
Regular price£50.00