Active standard | Published: 17/08/1964

BS 3777:1964

Specification for screw thread measuring cylinders.

Available languages: English

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Detail information

Designation: BS 3777:1964

Publication date: 17/08/1964

Pages: 16

Country: British technical standard

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Anotation

Grade A (pitch-line) and Grade B (grouped) measuring cylinders for checking external screw threads of Unified and ISO inch, Whitworth, B.A. and ISO metric form by means of pitch diameter measuring machines. Bases for the diametral tolerances. Relative merits of grades A and B. Measuring ranges, material and finish, form and general dimensions, accuracy and identification; tables of nominal diameters and associated P values for Grade A cylinders; limits of size for Grade B cylinders. Status: Confirmed Replaced by: Confirmed

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