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immediate downloadReleased: 1964-08-17
BS 3777:1964 Specification for screw thread measuring cylinders

BS 3777:1964

Specification for screw thread measuring cylinders

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Standard number:BS 3777:1964
Pages:16
Released:1964-08-17
ISBN:0 580 03698 7
Status:Standard
DESCRIPTION

BS 3777:1964


This standard BS 3777:1964 Specification for screw thread measuring cylinders is classified in these ICS categories:
  • 17.040.30 Measuring instruments

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.