Meyer Gage started making the original ZZ back in 1965. They now have taken the extra step for the better pin gage, Class Z. Introducing the MEYER Z. A closer tolerance (.0001), more accurate and better for your needs.

Common Uses:

• Checking of Hole locations
• Measuring hole sizes and depth
• GO - NO/GO gaging
• Checking Mic's and Calipers
• Hole to Hole Distance

Pin gages are used similarly to a plug gage in that they can accurately size a hole in a “go” or “no go” manner. Sold in a set or individually (minimum order requirement applies), pin gages are generally sold in .001”, .0005”, .0001” increments and have a class X, Z, or ZZ tolerance. Furthermore, pin gauges are produced with a unilateral tolerance with deviation in one direction, either plus or minus. i.e. (+.0001, -.0000) or (+.0000, -.0002)
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• Class Z .0001″ (unilateral tolerance)
• N.I.S.T. traceable
• Pins and boxes are marked
• Size and serial number laser etched (M-O not tetched)
• All sharp edges removed
• 2” long (all members)
• Certificate of conformance to ANSI B89. 1.5-1998

Finish:

• Centerless lapped
• 8 micro-inch finish or better (.000008")
• 60-62 Rockwell C Hardness
• All English gages with .0001″ limit

• Class ZZ .0002″ (unilateral tolerance)
• Pins and boxes are marked
• N.I.S.T. traceable
• All sharp edges removed
• 2” long (all members)
• Certificate of conformance to ANSI B89. 1.5-1998

Finish:

• Black OX surface treatment
• Centerless Ground
• 10 micro-inch finish (.000010")
• 60-62 Rockwell C Hardness
• Roundness Geometry .0001″ limit