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Unified screw, Inch screw(Tip Shape:Flat End)

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 31/03/2026

    Hex Socket Head Cap Screws UNC

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

      • On Sale Till 31/03/2026

      Coarse Unified Hex Bolt, G-5

      • On Sale Till 31/03/2026

      Phillips Pan Head Screw UNC

        Hex Bolts Fully Threaded JIS

        • On Sale Till 31/03/2026

        Hex Socket Head Cap Screws UNF

        • On Sale Till 31/03/2026

        Hex Bolt, Fully Threaded, Whitworth

        • On Sale Till 31/03/2026

        UNC Flat Unified Screw

        • On Sale Till 31/03/2026

        Hex Socket Button Head Cap Screw UNC

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

            Flat Bolt With Hex Socket (UNF) (Flat Cap Screw)

              Hex Bolt, Partially Threaded, Whitworth

              • On Sale Till 31/03/2026

              Whitworth Hex Bolt

              • On Sale Till 31/03/2026

              Hex Socket Head Bolt (Imperial Thread) SNSS

              • On Sale Till 31/03/2026

              Hex Socket Button Head Cap Screw (Inch Thread) - SNBS

              • On Sale Till 31/03/2026

              Phillips Flat Head Screw

              • On Sale Till 31/03/2026

              Phillips Pan Head Screw UNF

              • On Sale Till 31/03/2026

              Phillips Flat Head Screw UNF

              • On Sale Till 31/03/2026

              Fine Unified Hex Bolt, G-5

              • On Sale Till 31/03/2026

              Hex Socket Button Head Cap Screw UNF

              • On Sale Till 31/03/2026

              Hex Socket Flat Head Cap Screws UNC

                Hex Socket Flat Head Cap Screws UNF

                  Witworth Cut Bolt

                    Hex Socket Head Bolt (UNRF) (Cap Screw)

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

                        Whitworth Slotted Flat Screw

                        • On Sale Till 31/03/2026

                        Whitworth Slotted Round Screw

                          Whitworth Hex Bolt - Strength Classification = 10.9

                            UNC Slotted Flat Screw

                              Standard Head-Cut Left Screw Whitworth

                              Brand

                              SPS/UNBRAKO

                              SUNCO

                              SPS/UNBRAKO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SPS/UNBRAKO

                              SPS/UNBRAKO

                              SUNCO

                              SUNCO

                              NABEYA BI-TECH

                              NABEYA BI-TECH

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SUNCO

                              SPS/UNBRAKO

                              SPS/UNBRAKO

                              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】

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

                              Coarse Unified Hex Bolt, G-5【1-650 Pieces Per Package】

                              Phillips Pan Head Screw UNC【1-5,000 Pieces Per Package】

                              Hex Bolts Fully Threaded JIS【1-300 Pieces Per Package】

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

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

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

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

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

                              Flat Bolt With Hex Socket (UNF) (Flat Cap Screw)【1-100 Pieces Per Package】

                              Hex Bolt, Partially Threaded, Whitworth【1-25 Pieces Per Package】

                              Whitworth Hex Bolt【1-70 Pieces Per Package】

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

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

                              Phillips Flat Head Screw【1-500 Pieces Per Package】

                              Phillips Pan Head Screw UNF【1-500 Pieces Per Package】

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

                              Fine Unified Hex Bolt, G-5【1-650 Pieces Per Package】

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

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

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

                              Witworth Cut Bolt【1-1,000 Pieces Per Package】

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

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

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

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

                              Whitworth Hex Bolt - Strength Classification = 10.9【1-120 Pieces Per Package】

                              UNC Slotted Flat Screw【100 Pieces Per Package】

                              Standard Head-Cut Left Screw Whitworth

                              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
                              • 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 Same day or more 8 Day(s) or more Same day or more Same day 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 Same day or more Same day or more Same day or more Same day or more Same day or more Same day or more Same day 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 8 Day(s) or more Same day or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more
                              Detailed ShapeStandardStandardFlat HeadStandardPan HeadStandardStandardStandardFlat HeadButton Head CapButton Head CapFlat HeadStandardStandardStandardButton Head CapFlat HeadPan HeadFlat HeadStandardButton Head CapFlat HeadFlat HeadStandardStandardButton Head CapFlat HeadPan HeadStandardFlat HeadStandard
                              Thread TypeUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCUnified Coarse UNCWit CoarseUnified Fine UNFWit CoarseUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Fine UNFWit CoarseWit CoarseUnified Coarse UNC / Unified Fine UNFUnified Coarse UNCUnified Coarse UNCUnified Fine UNFUnified Fine UNFUnified Fine UNFUnified Fine UNFUnified Coarse UNCUnified Fine UNFWit CoarseUnified Fine UNFUnified Coarse UNCWit CoarseWit CoarseWit CoarseUnified Coarse UNCWhitworth Coarse Thread (Left)
                              Thread Nominal (inch)NO.10 ~ 7/16NO.1 ~ 9/16NO.10 ~ 5/16NO.10 ~ 9/16NO.1 ~ 5/161/2 ~ 5/16NO.0 ~ 9/161 ~ 7/16NO.10 ~ 3/8NO.10 ~ 5/16NO.10 ~ 5/16NO.101 ~ 7/81/2 ~ 7/16NO.10 ~ 5/16NO.10 ~ 1/4NO.10 ~ 5/16NO.0 ~ 1/4NO.0 ~ 1/41/2 ~ 9/16NO.0 ~ 5/16NO.10 ~ 7/16NO.0 ~ 5/161/2 ~ 7/8NO.0 ~ 7/16NO.10 ~ 5/161/2 ~ 5/161/2 ~ 5/161 ~ 5/16NO.23/8
                              Length L (inch)1 ~ 81 ~ 101 ~ 5/81 ~ 101 ~ 9/16-1 ~ 9/161 ~ 7/81 ~ 7/161 ~ 7/161/2 ~ 5/81/2 ~ 5/8----1 ~ 7/161 ~ 7/161 ~ 7/161 ~ 7/81 ~ 7/161 ~ 7/161 ~ 7/16-1 ~ 7/81 ~ 5/8---1/4-
                              Length L (mm)-14 ~ 16---16 ~ 150-8 ~ 300----40 ~ 30010 ~ 100-----45---20 ~ 345--10 ~ 1506 ~ 10020 ~ 230-285
                              Mounting Hole ShapeHex SocketHex SocketHex SocketN/ACross Recessed-Hex SocketN/ACross RecessedHex SocketHex SocketHex SocketN/AHex SocketHex SocketHex SocketCross RecessedCross RecessedCross RecessedN/AHex SocketHex SocketHex SocketN/AHex SocketHex SocketNegativeNegativeN/ANegative-
                              MaterialSteelStainless ~ SteelSteelStainless ~ SteelStainless ~ SteelSteelStainless ~ SteelBrass ~ SteelStainlessStainless ~ SteelSteelSteelStainless ~ SteelStainless ~ SteelStainlessStainlessStainless ~ SteelStainless ~ SteelStainlessStainless ~ SteelStainless ~ SteelStainless ~ SteelStainless ~ SteelSteelSteelSteelBrass ~ SteelBrass ~ SteelSteelStainlessSteel
                              Surface TreatmentN/AN/A / Black Oxide CoatingN/AN/A / Black Oxide Coating / Trivalent Chromate / UniChrome Plating / Chromate Plating / Chrome Plating / Stainless CoatingBlack Painted / N/A / Non-chrome / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Stainless CoatingBlack Oxide Coating / Trivalent Chromate / UniChrome Plating / Hot Dip Galvanizing / Chromate Plating / Nickel Plating / Chrome Plating / ParkerBlack Oxide CoatingN/A / Black Oxide Coating / Trivalent Chromate / UniChrome Plating / Hot Dip Galvanizing / Chromate Plating / Nickel Plating / Parker / Stainless Coating-N/A / Black Oxide CoatingN/AN/AN/A / Black Oxide Coating / UniChrome Plating / Chromate Plating / Stainless CoatingBlack Oxide CoatingN/AN/ANickel PlatingBlack Painted / N/A / Non-chrome / Trivalent Chromate / UniChrome Plating / Chromate Plating / Stainless CoatingN/AN/A / Black Oxide Coating / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Stainless CoatingBlack Oxide CoatingN/A / Black Oxide CoatingN/A / Black Oxide CoatingBlack Oxide Coating / UniChrome Plating / Hot Dip Galvanizing / Stainless CoatingN/AN/AN/A / Trivalent Chromate / UniChrome Plating / Hot Dip Galvanizing / Chromate Plating / Nickel PlatingTrivalent Chromate / UniChrome Plating / Chromate Plating / Nickel PlatingBlack Oxide Coating / UniChrome Plating / Chromate Plating / Stainless Coating-UniChrome Plating
                              Tip ShapeFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat 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 / 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.)Bulk (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 / 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 / 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 / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / PackageBulk (Purchasing from 1 pc.)
                              ApplicationStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard--StandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard--High StrengthStandardStandard
                              Strength Class (Steel)----------------------------10.9--

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                              Related Categories to Unified screw, Inch screw