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Unified screw, Inch screw(Length L (inch):3 1/2)

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
CAD
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)

    Hex Socket Head Bolt (UNC) (Cap Screw)

    • On Sale Till 31/03/2025

    Hex Socket Head Cap Screws UNC

    • On Sale Till 31/03/2025

    Hex Socket Head Cap Screws UNF

    • On Sale Till 31/03/2025

    Coarse Unified Hex Bolt, G-5

    • On Sale Till 31/03/2025

    Fine Unified Hex Bolt, G-5

    • On Sale Till 31/03/2025

    Hex Socket Flat Head Cap Screws UNC

    • On Sale Till 31/03/2025

    Phillips Pan Head Screw UNC

    • On Sale Till 31/03/2025

    Phillips Flat Head Screw

    • On Sale Till 31/03/2025

    Hex Socket Set Screw Cup Point UNF (Unified Fine Threads)

    • On Sale Till 31/03/2025

    UNC Flat Unified Screw

    • On Sale Till 31/03/2025

    Hex Socket Button Head Cap Screw UNC

    Brand

    SPS/UNBRAKO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    SUNCO

    Product Series

    Hex Socket Head Bolt (UNC) (Cap Screw)【1-100 Pieces Per Package】

    Hex Socket Head Cap Screws UNC【1-100 Pieces Per Package】

    Hex Socket Head Cap Screws UNF【1-100 Pieces Per Package】

    Coarse Unified Hex Bolt, G-5【1-100 Pieces Per Package】

    Fine Unified Hex Bolt, G-5【1-40 Pieces Per Package】

    Hex Socket Flat Head Cap Screws UNC【1-100 Pieces Per Package】

    Phillips Pan Head Screw UNC【100 Pieces Per Package】

    Phillips Flat Head Screw【1-100 Pieces Per Package】

    Hex Socket Set Screw Cup Point UNF (Unified Fine Threads)【10 Pieces Per Package】

    UNC Flat Unified Screw【1-100 Pieces Per Package】

    Hex Socket Button Head Cap Screw UNC【1-50 Pieces Per Package】

    CAD
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    • 2D / 3D
    Days to Ship 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 14 Day(s) or more 18 Day(s) or more 8 Day(s) or more 8 Day(s) or more
    Detailed ShapeStandardStandardStandardStandardStandardFlat HeadPan HeadFlat Head-Flat HeadButton Head Cap
    Thread TypeUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Coarse UNCUnified Fine UNFUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Coarse UNCUnified Coarse UNC
    Thread Nominal (inch)1/2 ~ 7/16NO.10 ~ 7/16NO.10 ~ 7/161 ~ 7/161/2 ~ 5/161/2 ~ 5/8NO.10 ~ 1/4NO.10 ~ 5/161/2NO.10 ~ 5/161/2 ~ 5/16
    Length L (inch)3 1/23 1/23 1/23 1/23 1/23 1/23 1/23 1/23 1/23 1/23 1/2
    Length L (mm)-----------
    Mounting Hole ShapeHex SocketHex SocketHex SocketN/AN/AHex SocketCross RecessedCross RecessedHex SocketCross RecessedHex Socket
    MaterialSteelStainless ~ SteelStainless ~ SteelStainless ~ SteelStainless ~ SteelStainless ~ SteelStainlessStainlessSteelStainlessStainless ~ Steel
    Surface TreatmentN/ABlack Oxide CoatingBlack Oxide CoatingBlack Oxide Coating / UniChrome Plating / Chrome Plating / Stainless CoatingBlack Oxide Coating / Chrome Plating / Stainless CoatingBlack Oxide CoatingBlack Painted-Black Oxide Coating-N/A / Black Oxide Coating
    Tip ShapeFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndCup PointFlat EndFlat End
    Sales UnitBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / Package
    ApplicationStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
    Strength Class (Steel)-----------

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    Related Categories to Unified screw, Inch screw