[500 BULK] Flange Bolts Serrated Hex Washer Stainless 5/16-18 X 7/8
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[500 BULK] Flange Bolts Serrated Hex Washer Stainless 5/16-18 X 7/8

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[500 BULK] Flange Bolts Serrated Hex Washer Stainless 5/16-18 X 7/8

Mutual ScrewSKU: 3114MWW188KC
Price:
$616.25 $719.95per 500( $1.23 each)
Pieces 500
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 7/8
Material Steel
Grade 18/8
Finish Stainless Steel
Head style Serrated Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 17.0 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

Engineered for durability, the Flange Bolts Serrated Hex Washer Stainless 5/16-18 X 7/8 combine corrosion resistance with a secure seating for vibration-prone assemblies. Ideal for outdoor equipment, machinery, automotive applications, and construction projects where a clean, robust fastening solution is required.

Key features:

  • Material: Stainless steel for excellent corrosion resistance and long-term durability.
  • Head and washer: Flange with serrated hex washer provides a broad bearing surface and helps resist loosening from vibration.
  • Thread size and pitch: 5/16-18 UNC standard thread for versatile compatibility.
  • Length: 7/8 inch overall length for a strong, secure bite.
  • Application: Suitable for metal-to-metal fastening in high-humidity or outdoor environments.

Whether you're replacing worn bolts on a mower deck, trailer, or machinery frame, these stainless flange bolts deliver reliable torque retention and a clean finish. Stock up for future projects and experience quick installation with a wrench or socket and a balanced, flush seating thanks to the flange and washer design.

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

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