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Unified screw, Inch screw(Detailed Shape:Pan Head)

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

Phillips Pan Head Screw UNC

  • On Sale Till 31/03/2026

Phillips Pan Head Screw UNF

  • On Sale Till 31/03/2026

Whitworth Slotted Round Screw

Brand

SUNCO

SUNCO

SUNCO

Product Series

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

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

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

CAD
  • 2D / 3D
  • 2D / 3D
Days to Ship Same day or more Same day or more Same day or more
Detailed ShapePan HeadPan HeadPan Head
Thread TypeUnified Coarse UNCUnified Fine UNFWit Coarse
Thread Nominal (inch)NO.1 ~ 5/16NO.0 ~ 1/41/2 ~ 5/16
Length L (inch)1 ~ 9/161 ~ 7/16-
Length L (mm)--6 ~ 100
Mounting Hole ShapeCross RecessedCross RecessedNegative
MaterialStainless ~ SteelStainless ~ SteelBrass ~ Steel
Surface TreatmentBlack Painted / N/A / Non-chrome / Trivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Stainless CoatingBlack Painted / N/A / Non-chrome / Trivalent Chromate / UniChrome Plating / Chromate Plating / Stainless CoatingTrivalent Chromate / UniChrome Plating / Chromate Plating / Nickel Plating
Tip ShapeFlat EndFlat EndFlat End
Sales UnitBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / PackageBulk (Purchasing from 1 pc.) ~ Box / Package
ApplicationStandardStandard-
Strength Class (Steel)---

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Related Categories to Unified screw, Inch screw