How to Choose a Snap Gauge

A snap gauge checks an external diameter against GO and NOT-GO limits. Choosing one comes down to the size of the part and how it will be used.

Single-end progressive

One opening with GO and NOT-GO set in sequence, so the part passes the GO limit and stops at the NOT-GO limit. Accusize makes these from Ø3 to 160 mm.

Double-ended, separate GO and NOT-GO

A GO end and a NOT-GO end on one tool, from Ø3 to 100 mm.

Double-ended I-type

A larger frame for bigger parts, from Ø100 to 300 mm.

What to send us

Send the diameter and tolerance, or the drawing, on our quote page. Custom dimensions can be made. Standards followed: DIN 7164 and IS 3455.