ASME B18.2.9 pdf download Straightness Gage and Gaging for Bolts and Screws 1 SCOPE This Standard describes a gage and procedure forchecking bolt or screw straightness at maximum material condition (MMC). 2 COMPARISON WITHISO 4759-1:2000 This Standard uses an adjustable gage, instead of plainsleeve gages like the example shown in ISO 4759-1Annex C, Figure C.24. The adjustable gage avoids thenecessity...