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Winzer

1/2-13 x 4 Inch Coarse Black Oxide Medium Carbon Steel Flat Head Socket Cap Screw

Item 146.12.4

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Description

Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. A washer face is provided under the head to provide a bearing surface when tightened. this feature ensures proper fit-up into tapped holes without counterboring. Cap screws feature a chamfered end to aid in inserting into a tapped hole. Hex head cap screws are available in a variety of material grades including: Grade 2 Grade 5 Grade 8 and stainless steels. Additionally these fasteners are available in plated and plain varieties. Hex head caps screws are a common fastener used in a variety of industrial construction automotive and manufacturing applications.

  • Flat or countersunk head with hexagonal recessed drive
  • Used to hold thin section metals together
  • Applications that require a neat smooth surface
  • Drive Size: 5/16
  • Drive Type: Internal Hex
  • Finish: Black Oxide
  • Head Diameter: 0.872 - 0.938 Inch
  • Head Height: 0.251 Inch
  • Head Style: Flat
  • Industry Standard: ASME/ANSI B18.3
  • Item: Socket Cap Screw
  • Key Size: 5/16 Inch
  • Length: 4 Inch
  • Material: Medium Carbon Steel
  • Measurement: Inch
  • Origin: Imported
  • Specification: ASME/ANSI B18.3 ASTM F835
  • Tensile Strength : 145000 psi
  • Thread Length: 1-1/2 Inch
  • Thread Type: Coarse
  • Threads Per Inch: 13
  • Type: Partial Threaded Semi-Standard

Photographs are representational and may not be size accurate.

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