BS 1104:1957 - Specification for general purpose Acme screw threads

BS 1104:1957

Specification for general purpose Acme screw threads

Status : Confirmed, Current   Published : June 1957



Defines Acme thread; tables of basic sizes, limits and tolerances for standard series of single start threads $9D in to 5 in diameter. Agrees with ASA B1.5:1952 except for pitches associated with diameters $9F in, $9G in, 1 in, 1$9D in and 1$9H in. 2G, 3G and 4G fits in the American standard included, together with finer class, 5G. Tables of effective diameter tolerances for extended range of diameter/pitch combinations are provided. From these and related tables limiting dimensions for any special diameter/pitch combination for single or multi-start Acme thread can be calculated.

Standard NumberBS 1104:1957
TitleSpecification for general purpose Acme screw threads
StatusConfirmed, Current
Publication Date05 June 1957
Confirm Date01 October 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Amended ByPD 5555
PD 5707
PD 5795
DescriptorsThread gauges, Dimensional tolerances, Thread forms, Diameter, Ring gauges, Dimensions, Trapezoidal threads, Diameter measurement, Screws (bolts), Calipers (instruments), Thread pitch, Fits, Nuts
Title in FrenchFiletages Acme universels. Specification
Title in GermanUniversaltrapezgewinde. Spezifikation
ISBN0 580 35250 1
File Size900.8 KB
NotesThis standard has been declared obsolescent for a further period.

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