Serrated Hex Washer Head Flange Bolt, Case Hardened Steel Black Oxide
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Serrated Hex Washer Head Flange Bolt, Case Hardened Steel Black Oxide

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5/16-18 X 1-1/2" Flange Bolts | Serrated Hex Washer Head | Case Hardened Steel Black Oxide | Fully Threaded (1000 / Pkg.)

Mutual ScrewSKU: 3124MWWBKC
Price:
$445.61per 1000( $0.45 each)
Pieces 1000
Measurement type Imperial
Thread size 5/16-18
Diameter 5/16
Length 1-1/2"
Material Steel
Finish Black Oxide
Head style Serrated Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 40.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

These 5/16-18 x 1-1/2" serrated hex flange screws carry an integral washer face, spreading clamp load over a wider bearing area and removing the need for a separate washer. Case hardened steel with a black oxide finish.

  • Material and finish: Case Hardened Steel Black Oxide
  • Head style: Serrated Hex Washer
  • Surface hardness: Rockwell C40 minimum
  • Core hardness: Rockwell C25-38
  • Thread size: 5/16-18
  • Length: 1-1/2"
  • Thread style: Fully Threaded
  • Applications: Structural and chassis assemblies where a wide bearing face is needed

The serrations under the flange bite into the bearing surface and resist loosening under vibration, which is why this style is common in frame, chassis and equipment work. Torque to the specification for the joint rather than to a generic value. Hardness figures are the manufacturer published values and should be verified against the application.

Specifications

  • Product type: Flange Bolts
  • Material: Steel
  • Finish: Black Oxide
  • Head style: Serrated Hex Washer
  • Surface hardness: Rockwell C40 min.
  • Core hardness: Rockwell C25-38
  • Thread size: 5/16-18
  • Length: 1-1/2"
  • Threads per inch: 18
  • Measurement type: Imperial
  • Pack Quantity: 1000

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800-222-0324

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