Category Archives: Inch screw threads

BS 84:2007 – Parallel screw threads of Whitworth form. Requirements

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 66 pages, A4

Manufacturer – BSI

Price – GBP 142

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Keywords – Whitworth screw threads, Threads, Parallel threads, Thread forms, Thread pitch, Diameter, Nuts, Bolts, Dimensions, Metal coatings, Designations, Dimensional tolerances, Fits, Medium threads, Normal threads, Close-fit threads, Free threads
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BS 1580-1:2007 – Unified screw threads. Screw threads with diameters ¼ in and larger. Requirements

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 118 pages, A4

Manufacturer – BSI

Price – GBP 162

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Keywords – Unified screw threads, Thread forms, Nuts, Bolts, Threads, Dimensions, Diameter, Thread pitch, Metal coatings, Aircraft components, Fits, Dimensional tolerances, Designations
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BS 1580-3:2007 – Unified screw threads. Screw threads with diameters below ¼ in. Requirements

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 24 pages, A4

Manufacturer – BSI

Price – GBP 102

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Keywords – Unified screw threads, Thread forms, Nuts, Bolts, Threads, Dimensions, Diameter, Thread gauges, Aircraft components, Metal coatings, Diameter measurement, Dimensional tolerances
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BS 919-2:2007 – Screw gauge limits and tolerances. Specification for gauges for screw threads of Whitworth and B.A. forms

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 42 pages, A4

Manufacturer – BSI

Price – GBP 118

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Keywords – Thread gauges, Linear measuring instruments, Whitworth screw threads, British Association screw threads, Thread forms, Diameter measurement, Calipers (instruments), Plug gauges, Ring gauges, Marking, Hardness, Diameter, Dimensions, Thread pitch, British standard cycle threads, Dimensional tolerances, Setting gauges
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BS ISO 68-2:1998 – ISO general purpose screw threads. Basic profile. Inch screw threads

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 10 pages, A4

Manufacturer – BSI

Price – GBP 40

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Keywords – Threads, Threaded components, Threaded fasteners, Thread forms, Profile, Thread pitch, Imperial system, Dimensions, Diameter, Angles (geometry), Height, Internal threads, External threads, Conversion (units of measurement)
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BS 1936-1:1952 – Undercuts and runouts for screw threads. Inch screw threads

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 16 pages, A4

Manufacturer – BSI

Price – GBP 64

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Keywords – Threads, Undercuts, Incomplete threads, Thread forms, Diameter, Dimensions, Whitworth screw threads, British standard cycle threads, Unified screw threads, British Association screw threads, Threading machines, Width, Length
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BS 2827:1957 – Specification for machine screw nuts, pressed type (B.A. and Whitworth form threads)

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 8 pages, A4

Manufacturer – BSI

Price – GBP 30

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Keywords – Nuts, Anchor nuts, Whitworth screw threads, British Association screw threads, Square-head fasteners, Hexagonal-head fasteners, Dimensions, Threads, Diameter, Thickness, Width
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