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Unified screw, Inch screw(Thread Nominal (inch):3/16)

Category page for Unified / Imperial / Whitworth Screws. This category has a lineup of screws using international standards such as UNC / UNF / Whitworth. Sizes can be selected from nominal No. 0 to 12, 3/16 to 1 inch, length 1/16 to 10 inches, with 3 kinds of materials and 11 kinds of surface processing.

[Unified / Imperial / Whitworth Threads]
Products with threads cut in imperial units instead of metric units like those of parts regularly sold in Japan. These standards are commonly used in the US and the UK. These may be used for aircraft and import/export items.
Whitworth screw products originated in England and have threads cut at 55 degrees. Although this thread type has been removed from JIS standards, it is still currently used in buildings, electrical, water, and air conditioning facilities even in Japan.

Detailed Shape

  • Standard
  • Pan Head
  • Flat Head
  • Button Head Cap
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Brand
Product Series
Days to Ship
Detailed Shape
Thread Type
Thread Nominal (inch)
Length L (inch)
Length L (mm)
Mounting Hole Shape
Material
Surface Treatment
Tip Shape
Sales Unit
Application
Strength Class (Steel)
  • On Sale Till 31/03/2026

Hex Bolt, Fully Threaded, Whitworth

  • On Sale Till 31/03/2026

Whitworth Hex Bolt

    Whitworth Slotted Flat Screw

    • On Sale Till 31/03/2026

    Whitworth Slotted Round Screw

    Brand

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    Product Series

    Hex Bolt, Fully Threaded, Whitworth【1-1,000 Pieces Per Package】

    Whitworth Hex Bolt

    Whitworth Slotted Flat Screw【1-1,100 Pieces Per Package】

    Whitworth Slotted Round Screw【1-1,200 Pieces Per Package】

    Days to Ship 8 Day(s) or more Same day 8 Day(s) or more 8 Day(s) or more
    Detailed ShapeStandardStandardFlat HeadPan Head
    Thread TypeWit CoarseWit CoarseWit CoarseWit Coarse
    Thread Nominal (inch)3/163/163/163/16
    Length L (inch)1 ~ 7/8---
    Length L (mm)10 ~ 503010 ~ 756 ~ 90
    Mounting Hole ShapeN/AHex SocketNegativeNegative
    MaterialStainless ~ SteelSteelBrass ~ SteelBrass ~ Steel
    Surface TreatmentBlack Oxide Coating / Trivalent Chromate / UniChrome Plating / Stainless CoatingBlack Oxide CoatingN/A / UniChrome Plating / Chromate PlatingTrivalent Chromate / UniChrome Plating
    Tip ShapeFlat EndFlat EndFlat EndFlat End
    Sales UnitBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.)Bulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / Package
    ApplicationStandard---
    Strength Class (Steel)----

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    Related Categories to Unified screw, Inch screw