✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Verified Jfast 31wmb - 5/16 Machine Screw Washer Black Oxide, Case Quantity: 10,000 ~ Limited Availability [iq1HW2rb]

$60.99 $195.99 -69%

JFAST 31WMB - 5/16 Machine Screw Washer Black Oxide The JFAST 31WMB - 5/16 Machine Screw Washer Black Oxide is a top-tier fastener solution designed for precision and durability. This versatile washer is perfect for a wide range of applications, offe

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Verified Jfast 31wmb - 5/16 Machine Screw Washer Black Oxide, Case Quantity: 10,000 ~ Limited Availability [iq1HW2rb]

JFAST 31WMB - 5/16 Machine Screw Washer Black Oxide

The JFAST 31WMB - 5/16 Machine Screw Washer Black Oxide is a top-tier fastener solution designed for precision and durability. This versatile washer is perfect for a wide range of applications, offering a reliable and long-lasting performance. With its Black Oxide finish, it not only provides excellent corrosion resistance but also adds a sleek, professional appearance to any project. Key features include its Machine Screw Style design, which ensures a secure fit and optimal load distribution. This case quantity of 10,000 washers guarantees ample supply for any large-scale project or assembly line.

Product Specifications and Technical Details

Engineered for superior performance, the JFAST 31WMB - 5/16 Machine Screw Washer features a 5/16 size, with an Outside Diameter ranging from .620" to .630". The Thickness of these washers falls between .046" and .054", providing a perfect fit for most machine screw applications. Made from high-quality steel, these washers are robust and can withstand harsh environments. The Black Oxide finish not only enhances their aesthetic appeal but also ensures long-term durability. Additionally, the JFAST 31WMB - 5/16 Machine Screw Washers are RoHS compliant, making them an environmentally friendly choice for your projects.
  • Size: 5/16
  • Outside Diameter: .620" - .630"
  • Thickness: .046" - .054"
  • Material: Steel
  • Finish: Black Oxide
  • RoHS: Compliant

Practical Applications and Benefits

The JFAST 31WMB - 5/16 Machine Screw Washers are an essential component in various industries, including automotive, construction, and manufacturing. Their secure fit and corrosion resistance make them ideal for use in outdoor or high-humidity environments. By incorporating these washers into your projects, you can expect improved structural integrity and reduced maintenance costs. The Black Oxide finish not only adds a professional touch but also extends the lifespan of the fasteners. Whether you're a DIY enthusiast or a professional contractor, these washers are a reliable choice for all your assembly needs.
  • Industries: Automotive, Construction, Manufacturing
  • Applications: Outdoor and High-Humidity Environments
  • Benefits: Improved Structural Integrity, Reduced Maintenance Costs

What Our Customers Say

January 23, 2026

Absolutely no complaints!

An amazing gadget. It works true wonders.

- Preston D..

January 23, 2026

Absolutely no complaints!

I am impressed. And it works so well.

- Curtis K..

January 23, 2026

Absolutely no complaints!

An amazing value for such a quality piece.

- Mila Z..

Write a Review

You Might Also Like

Discover more great products from our collection.

Smartwatch für Kinder Vtech

Smartwatch für Kinder Vtech

(544)
$22.99 $73.99 -69%
Portland 3-Piece Set

Portland 3-Piece Set

(375)
$49.99 $159.99 -69%
Hesi Starterbox Hydro

Hesi Starterbox Hydro

(432)
$19.99 $63.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY