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Unified screw, Inch screw(Surface Treatment:UniChrome Plating)

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 31/03/2026

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 Bolt, Fully Threaded, Whitworth

      Hex Bolt, Partially Threaded, Whitworth

      • On Sale Till 31/03/2026

      Phillips Pan Head Screw UNF

      • On Sale Till 31/03/2026

      Fine Unified Hex Bolt, G-5

        Witworth Cut Bolt

          Whitworth Slotted Flat Screw

          • On Sale Till 31/03/2026

          Whitworth Slotted Round Screw

            Whitworth Hex Bolt - Strength Classification = 10.9

              Standard Head-Cut Left Screw Whitworth

              • On Sale Till 31/03/2026

              Meter-Cut Right Thread Whitworth

              Brand

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              SUNCO

              Product Series

              Coarse Unified Hex Bolt, G-5【1-120 Pieces Per Package】

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

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

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

              Hex Bolt, Partially Threaded, Whitworth

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

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

              Witworth Cut Bolt

              Whitworth Slotted Flat Screw【45-1,100 Pieces Per Package】

              Whitworth Slotted Round Screw【50-1,200 Pieces Per Package】

              Whitworth Hex Bolt - Strength Classification = 10.9【20-100 Pieces Per Package】

              Standard Head-Cut Left Screw Whitworth

              Meter-Cut Right Thread Whitworth

              CAD
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              Days to Ship 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 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 23 Day(s) or more 8 Day(s) or more 20 Day(s) or more
              Detailed ShapeStandardPan HeadStandardStandardStandardPan HeadStandardStandardFlat HeadPan HeadStandardStandardStandard
              Thread TypeUnified Coarse UNCUnified Coarse UNCWit CoarseWit CoarseWit CoarseUnified Fine UNFUnified Fine UNFWit CoarseWit CoarseWit CoarseWit CoarseWhitworth Coarse Thread (Left)Wit Coarse
              Thread Nominal (inch)1/2 ~ 7/16NO.4 ~ NO.81/2 ~ 5/161/2 ~ 5/161NO.101/2 ~ 7/161/2 ~ 7/81/2 ~ 5/161/2 ~ 5/161/2 ~ 5/163/81 1/2
              Length L (inch)1 1/2 ~ 4 1/21 ~ 5/32---1 ~ 5/161 ~ 5/8------
              Length L (mm)--16 ~ 1508 ~ 150110--20 ~ 34510 ~ 1506 ~ 10020 ~ 502851000
              Mounting Hole ShapeN/ACross Recessed-N/A-Cross RecessedN/AN/ANegativeNegative--N/A
              MaterialSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteel
              Surface TreatmentUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome PlatingUniChrome Plating
              Tip ShapeFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat EndFlat End-
              Sales UnitBulk (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.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBox / PackageBox / PackageBulk (Purchasing from 1 pc.)Box / Package
              ApplicationStandardStandardStandardStandard-StandardStandardStandard--High StrengthStandard-
              Strength Class (Steel)----------10.9--

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              Related Categories to Unified screw, Inch screw