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170PCS #4-40 to 5/16"-18 SAE Stainless Steel Keps K-Lock Hex Nut Kit | 304 Stainless Hex Nuts with 420 Steel Lock/Tooth Washers, UNC & UNF Anti-Vibration Fastener Set w/ Box

170PCS #4-40 to 5/16"-18 SAE Stainless Steel Keps K-Lock Hex Nut Kit | 304 Stainless Hex Nuts with 420 Steel Lock/Tooth Washers, UNC & UNF Anti-Vibration Fastener Set w/ Box

$24.88 USD
$24.88 USD
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Taxes included. Shipping calculated at checkout.

About this item

  • All-in-One 170PCS 7 Sizes SAE Keps K-Lock Hex Nuts Assortment:This anti-loosening SAE fastener kit combines hex nuts with free-spinning toothed lock washers, total 170 pieces, including UNC coarse and #10-32 UNF fine thread: #4-40 UNC:40pcs | #6-32 UNC:35pcs | #8-32 UNC:30pcs #10-32 UNF:20pcs | #10-24 UNC:20pcs | 1/4"-20 UNC:15pcs | 5/16"-18 UNC:10pcs
  • Also known as keps nuts or k-lock nuts; integrated serrated lock washer forms strong bite contact after tightening to avoid sliding and loosening. Widely used for automotive, mechanical fixture and DIY SAE hardware repair
  • Dual Grade Stainless Steel Anti-Corrosion Structure:Hex nuts are crafted from 304 stainless steel, featuring excellent chemical & oxidation resistance and mild magnetism. Attached lock washers adopt magnetic 420 stainless steel with rigid serrated teeth, durable for long-term assembly & disassembly
  • Integrated Free-Spinning Toothed Lock Washer:The lock washer rotates independently during installation; sharp surrounding teeth dig into metal/plastic contact surfaces once fully tightened. Provides reliable anti-vibration locking without extra separate flat or spring washers
  • Complete Common SAE UNC & UNF Thread Specs:Covers the most frequently used small-to-medium imperial SAE thread sizes, including standard coarse UNC and fine UNF thread. Perfect replacement set for lost keps nuts on machinery, equipment, vehicles and electronics
  • Portable Divided Transparent Plastic Storage Case:Comes with compartmentalized clear plastic storage box. Each thread size k-lock nuts are stored in independent slots for fast sorting. Compact lightweight design easy to carry to repair shops, assembly lines and home DIY projects

Overview

  • Material: 304 Stainless Steel+420 Stainless Steel
  • Fastener Type: Keps(K-lock) Nuts
  • Thread Size: #4-40;#6-32;#8-32;#10-32;#10-24;1/4"-20;5/16"-18
  • Exterior Finish: Stainless Steel
  • Color: Silver

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Michael Turner — Chicago, Illinois

    GarageNest has a practical selection of tools and vehicle-care supplies. The items I ordered were easy to understand, useful for regular maintenance, and simple to organize in my garage. Everything fit naturally into the way I already take care of my vehicle.

  • ⭐⭐⭐⭐⭐

    Daniel Foster — Austin, Texas

    I found several useful garage essentials without having to search through unrelated products. The descriptions made it easier to compare the options, and the tools have been convenient for routine checks and small maintenance projects around the garage.

  • ⭐⭐⭐⭐⭐

    Lauren Mitchell — Denver, Colorado

    I like that the products feel practical without being overly complicated. I picked up a few items for cleaning, inspection, and basic vehicle care, and they have helped make my garage setup more organized and my maintenance routine easier to manage.

  • ⭐⭐⭐⭐⭐

    Jason Reed — Portland, Oregon

    The supplies I ordered fit well into my usual vehicle-care routine. They were straightforward to use, easy to store, and helpful for keeping frequently used tools and maintenance items ready whenever I need them.

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FAQ

What types of products does GarageNest sell?

GarageNest offers automotive maintenance tools, diagnostic equipment, battery accessories, lifting supplies, tire service tools, detailing products, garage organizers, work lights, and workshop safety essentials.

How much does shipping cost?

We generally charge a flat shipping fee of $6.90 per order. Any applicable shipping charge will be displayed at checkout before payment is completed.

How long does order processing take?

Orders are generally processed within 1–3 business days, Monday through Friday, excluding public holidays. Processing may take up to 5 business days during busy periods.

How long will delivery take?

Estimated delivery within the United States is 5–10 business days after processing. International delivery generally takes 10–20 business days. Delivery times are estimates and may vary.

How can I track my order?

Tracking information will be sent to the email address used during checkout when it becomes available. Tracking updates may take approximately 2–5 business days to appear after a shipping label is created.

Can I change or cancel my order?

Please contact us as soon as possible. Orders may be eligible for cancellation or modification within 12 hours only if processing or fulfillment has not started. Changes cannot be guaranteed.

What is your return policy?

Eligible unused and uninstalled products may generally be returned within 30 days of delivery. Products must include their original packaging, components, manuals, and accessories. Prior return authorization is required.

What should I do if my item arrives damaged, defective, or incorrect?

Contact us within 7 days of delivery and include your order number, a description of the issue, and clear photos of the product, packaging, and shipping label. Please keep all original materials until we provide instructions.

How do I know whether a product is compatible with my vehicle?

Review the product description, dimensions, part numbers, voltage requirements, installation details, and compatibility notes before ordering. Compatibility may vary by make, model, year, trim, engine, and previous vehicle modifications.

How can I contact GarageNest customer support?

Email us at livguevictfeit@gmail.com. Please include your order number when your question relates to a purchase. We generally respond within 1–2 business days, Monday through Friday.

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