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Unified screw, Inch screw(Thread Nominal (inch):NO.4)

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 Button Head Cap Screw (Inch Thread) - SNBS

    • On Sale Till 31/03/2025

    Phillips Flat Head Screw

      Flat Bolt with Hex Socket Bolt (UNC) (Flat Cap Screw)

      • On Sale Till 31/03/2025

      Hex Socket Button Head Cap Screw UNC

      • On Sale Till 31/03/2025

      Hex Socket Head Bolt (Imperial Thread) SNSS

        Button Bolt with Hex Socket (UNC) (Button Cap Screw)

        • On Sale Till 31/03/2025

        Hex Socket Head Cap Screws UNF

        • 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 UNF

        • On Sale Till 31/03/2025

        Coarse Unified Hex Bolt, G-5

        • On Sale Till 31/03/2025

        UNC Flat Unified Screw

        • On Sale Till 31/03/2025

        Phillips Pan Head Screw UNF

        • On Sale Till 31/03/2025

        Hex Socket Set Screw Cup Point UNC (Unified Coarse Threads)

        • On Sale Till 31/03/2025

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

          Set Screw with Hex Socket (UNC), (Hollow Set), (Serrated Teeth)

          Brand

          SPS/UNBRAKO

          SUNCO

          NABEYA BI-TECH

          SUNCO

          SPS/UNBRAKO

          SUNCO

          NABEYA BI-TECH

          SPS/UNBRAKO

          SUNCO

          SUNCO

          SUNCO

          SUNCO

          SUNCO

          SUNCO

          SUNCO

          SUNCO

          SUNCO

          SPS/UNBRAKO

          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 Button Head Cap Screw (Inch Thread) - SNBS【1-10 Pieces Per Package】

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

          Flat Bolt with Hex Socket Bolt (UNC) (Flat Cap Screw)【100 Pieces Per Package】

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

          Hex Socket Head Bolt (Imperial Thread) SNSS【1-10 Pieces Per Package】

          Button Bolt with Hex Socket (UNC) (Button Cap Screw)【100 Pieces Per Package】

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

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

          Phillips Pan Head Screw UNC【1-2,000 Pieces Per Package】

          Phillips Flat Head Screw UNF

          Coarse Unified Hex Bolt, G-5

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

          Phillips Pan Head Screw UNF

          Hex Socket Set Screw Cup Point UNC (Unified Coarse Threads)【1-100 Pieces Per Package】

          Hex Socket Set Screw Cup Point UNF (Unified Fine Threads)【1-100 Pieces Per Package】

          Set Screw with Hex Socket (UNC), (Hollow Set), (Serrated Teeth)【100 Pieces Per Package】

          CAD
          • 2D / 3D
          • 2D / 3D
          • 2D / 3D
          • 2D / 3D
          • 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 Same day or more 8 Day(s) or more Same day or more 8 Day(s) or more 8 Day(s) or more Same day or more 8 Day(s) or more 8 Day(s) or more Same day or more Same day or more 8 Day(s) or more Same day or more Same day or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more
          Detailed ShapeStandardStandardButton Head CapFlat HeadFlat HeadButton Head CapStandardButton Head CapStandardFlat HeadPan HeadFlat HeadStandardFlat HeadPan Head--Standard
          Thread TypeUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Coarse UNCUnified Fine UNFUnified Coarse UNC
          Thread Nominal (inch)NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4NO.4
          Length L (inch)1/4 ~ 5/81 ~ 9/16-1 ~ 7/161/41 ~ 7/16-1/21 ~ 7/81 ~ 7/161 ~ 9/161/2 ~ 3/81 ~ 5/161 ~ 7/161/2 ~ 5/161 ~ 7/81/4 ~ 3/161/8 ~ 3/16
          Length L (mm)------------------
          Mounting Hole ShapeHex SocketHex SocketHex SocketCross RecessedHex SocketHex SocketHex SocketHex SocketHex SocketHex SocketCross RecessedCross Recessed-Cross RecessedCross RecessedHex SocketHex SocketHex Socket
          MaterialSteelStainless ~ SteelStainlessStainlessSteelStainless ~ SteelStainlessSteelStainless ~ SteelStainless ~ SteelStainless ~ SteelStainlessStainlessStainlessStainlessStainless ~ SteelStainless ~ SteelSteel
          Surface TreatmentN/ABlack Oxide CoatingN/A-N/ABlack Oxide CoatingN/AN/ABlack Oxide CoatingBlack Oxide CoatingBlack Painted / Non-chrome / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating / Stainless Coating----Black Oxide CoatingBlack Oxide CoatingN/A
          Tip ShapeFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndCup PointCup PointOther Special Shapes
          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 / PackageBox / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.)Bulk (Purchasing from 1 pc.)Bulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.)Bulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / Package
          ApplicationStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
          Strength Class (Steel)------------------

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          Related Categories to Unified screw, Inch screw