[1000 BULK] Flange Bolts Serrated Hex Washer 5/16-18 X 1

Mutual ScrewSKU: 3116MWW5KC

Price:
Sale price$369.50per 1000( $0.37 each)
Pieces 1000
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1
Material Steel
Grade Grade 5
Finish Zinc Plated
Head style Serrated Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 33.0 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

Flange Bolts Serrated Hex Washer 5/16-18 X 1 are heavy-duty fasteners designed to deliver dependable performance in automotive, machinery, and equipment assemblies. Featuring a serrated hex washer flange, these bolts help distribute clamping force and resist loosening for a cleaner, more secure finish.

Key specifications:

  • Diameter: 5/16 in
  • Thread pitch: 5/16-18 (18 threads per inch)
  • Length: 1 in
  • Head type: Hex with integrated serrated flange washer
  • Applications: Suitable for automotive, machinery, and general fastening where a flange bolt is appropriate

Why choose this fastener:

  • Serrated flange washer grips surfaces to improve locking and reduce vibration.
  • Flush, even load distribution minimizes damage to mating surfaces.
  • Designed to work with standard 5/16-18 nuts and tapped holes.

Note: Material and finish details are not specified here. For best results, pair with compatible components and follow torque specifications for your application.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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