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Unified screw, Inch screw(Surface Treatment:Trivalent Chromate)

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)
  • On Sale Till 31/03/2025

Phillips Pan Head Screw UNC

  • On Sale Till 31/03/2025

Coarse Unified Hex Bolt, G-5

    Hex Bolt, Fully Threaded, Whitworth

      Fine Unified Hex Bolt, G-5

        Whitworth Slotted Round Screw

          Hex Bolts Fully Threaded JIS

            Phillips Pan Head Screw UNF

              Whitworth Slotted Flat Screw

                Meter-Cut Left Thread Whitworth

                Brand

                SUNCO

                SUNCO

                SUNCO

                SUNCO

                SUNCO

                SUNCO

                SUNCO

                SUNCO

                SUNCO

                Product Series

                Phillips Pan Head Screw UNC【400-2,000 Pieces Per Package】

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

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

                Fine Unified Hex Bolt, G-5【1-180 Pieces Per Package】

                Whitworth Slotted Round Screw【50-900 Pieces Per Package】

                Hex Bolts Fully Threaded JIS【100-200 Pieces Per Package】

                Phillips Pan Head Screw UNF【200-500 Pieces Per Package】

                Whitworth Slotted Flat Screw【45-700 Pieces Per Package】

                Meter-Cut Left Thread Whitworth

                CAD
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                Days to Ship 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 13 Day(s) or more
                Detailed ShapePan HeadStandardStandardStandardPan HeadStandardPan HeadFlat HeadStandard
                Thread TypeUnified Coarse UNCUnified Coarse UNCWit CoarseUnified Fine UNFWit CoarseWit CoarseUnified Fine UNFWit CoarseWit Coarse
                Thread Nominal (inch)NO.4 ~ NO.81/2 ~ 7/161/2 ~ 5/161/2 ~ 7/161/2 ~ 5/163/8NO.101/2 ~ 5/165/8
                Length L (inch)1 ~ 5/321 ~ 7/8-1 ~ 3/4--1 ~ 5/16--
                Length L (mm)--8 ~ 150-10 ~ 10020 ~ 32-10 ~ 1001000
                Mounting Hole ShapeCross RecessedN/AN/AN/ANegative-Cross RecessedNegativeN/A
                MaterialSteelSteelSteelSteelSteelSteelSteelSteelSteel
                Surface TreatmentTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent ChromateTrivalent Chromate
                Tip ShapeFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat End-
                Sales UnitBox / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / PackageBox / PackageBox / PackageBox / PackageBox / Package
                ApplicationStandardStandardStandardStandard-StandardStandard--
                Strength Class (Steel)---------

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                Related Categories to Unified screw, Inch screw