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Factory Price Jfast 311607kws4 - 5/16-12x1 A/f.428-.437 Head Hgt.208-.229 Unslot Hexwash Serrate #4point F/tself Drill Zinc, Case Quantity: 1,200 Premium Build [s2urLhQB]

$59.99 $191.99 -69%

JFAST Fastener for Precision WorkIntroducing the JFAST 311607KWS4 fastener, a premium choice for applications requiring durability and precision. This fastener is designed for high-performance use, featuring a unique UNSLOT HEXWASH SERRATE #4POINT de

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Factory Price Jfast 311607kws4 - 5/16-12x1 A/f.428-.437 Head Hgt.208-.229 Unslot Hexwash Serrate #4point F/tself Drill Zinc, Case Quantity: 1,200 Premium Build [s2urLhQB]

JFAST Fastener for Precision Work

Introducing the JFAST 311607KWS4 fastener, a premium choice for applications requiring durability and precision. This fastener is designed for high-performance use, featuring a unique UNSLOT HEXWASH SERRATE #4POINT design that ensures a secure fit and easy installation. With its robust construction and zinc coating, it offers exceptional corrosion resistance and longevity. The JFAST 311607KWS4 is a versatile fastener that is perfect for a wide range of industrial and DIY projects.
  • High-quality zinc coating for superior corrosion resistance
  • UN SLOT HEXWASH SERRATE #4POINT design for secure fit and easy installation

Product Specifications and Technical Details

The JFAST 311607KWS4 fastener boasts precise dimensions, with a thread size of 5/16-12X1 and a head height ranging from 0.208 to 0.229 inches. Its 4-point design provides maximum grip and resistance to loosening, making it ideal for heavy-duty applications. The fastener is also designed with a self-drilling feature, which simplifies installation by eliminating the need for pre-drilled holes. This product is available in a case quantity of 1,200, ensuring you have ample supply for your project needs.
  • Thread size: 5/16-12X1 for reliable performance
  • Head height range: 0.208-.229 inches for versatility
  • Self-drilling feature for hassle-free installation

Practical Applications and Benefits

The JFAST 311607KWS4 fastener is an essential tool for professionals and DIY enthusiasts alike. Its robust design and corrosion-resistant properties make it ideal for use in outdoor environments, construction projects, and heavy machinery assembly. The fastener's ease of installation and secure fit ensure that your projects are completed efficiently and effectively. Whether you're working on a home improvement project or a complex industrial application, the JFAST 311607KWS4 fastener is a reliable choice that will get the job done right.
  • Outdoor use due to corrosion-resistant zinc coating
  • Heavy-duty applications due to robust design and high-torque resistance
  • DIY projects due to ease of installation and secure fit

What Our Customers Say

January 27, 2026

Absolutely no complaints!

The build is robust and the performance is flawless.

- Cynthia Y..

January 27, 2026

Absolutely no complaints!

It's a relief to buy something that works perfectly right out of the box.

- Athena Z..

January 27, 2026

Absolutely no complaints!

The design is excellent and the product is very effective.

- Adrianna V..

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