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Item #:
143785081
220Pcs #4-40#6-32#8-32#10-24 1/4-20 5/16-18 3/8-16 UNC Nylon Insert Hex Lock Nuts Assortment Kit,7-Kinds 304 Stainless Steel SAE Self-Locking Nylon
Item #:
143785081
RWF 37820
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Monday, August 17
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Quality 304 stainless steel lock nuts with industrial-strength nylon collars guarantee a firm hold and prevent loosening under vibration.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Comprehensive Variety
This kit includes 220 pieces with seven sizes, ensuring you have the right lock nut for any project, minimizing the need for separate purchases.
Durable Material
Crafted from 304 stainless steel, these nuts resist corrosion and wear, providing long-lasting performance in various environments and enhancing reliability in critical applications.
Self-Locking Design
Featuring a nylon insert, these hex lock nuts ensure a secure grip and prevent loosening under vibration, making them ideal for automotive and machinery uses where safety is paramount.
Product Details
| Fastener Type | Lock |
| Exterior Finish | Stainless Steel |
| Color | Transparent |
| Thread Type | Unified National Coarse |
| Inside Thread Size | #4-40 |
| Thread Style | External |
| Thread Coverage | Fully Threaded |
| Thread Class | Coarse |
| Screw Head Style | Flat |
| Drive Style | External Hex |
| Compatible Groove Diameter | 0.11 Inches (0.3 cm) |
| Grade Rating | Industrial |
| Item Weight | 520 Grams |
| Number of Pieces | 220 |
| Brand | Guard4U |
| UPC | 738634035180 |
| Manufacturer | Guard4U |
| Number Of Items | 220 |
| Model | LN220PSM |
| Part Number | LN220PSM |
| Material Type | Nylon, Stainless Steel |
| Metal Type | Stainless Steel |
| Finish Types | Unfinished |
| Material | Nylon, Stainless Steel |
Who Should Buy?
-
DIY Enthusiasts
Ideal for home projects requiring a variety of lock nut sizes and durability to secure joints effectively.
-
Professional Mechanics
Provides reliable, corrosion-resistant fasteners suited for automotive or machinery repairs needing quality locking nuts.
-
Craftspeople
Useful for artisans and craftsmen who require a diverse range of nuts for various creative assembly projects.
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Heavy Industry
May not withstand extreme loads or harsh environments found in heavy-duty industrial applications requiring specialized fasteners.
Product Description
220Pcs #4-40#6-32#8-32#10-24 1/4-20 5/16-18 3/8-16 UNC Nylon Insert Hex Lock Nuts Assortment Kit,7-Kinds 304 Stainless Steel SAE Self-Locking Nylon Insert Hex Lock Nuts
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What sizes are included in this assortment?
Answer: The kit includes #4-40 (50 pcs), #6-32 (40 pcs), #8-32 (40 pcs), #10-24 (30 pcs), 1/4-20 (30 pcs), 5/16-18 (20 pcs), and 3/8-16 (10 pcs). -
Question:
Are these lock nuts resistant to rust?
Answer: Yes, they are made from 304 stainless steel, which provides excellent rust resistance. -
Question:
Can I use these lock nuts for high-vibration applications?
Answer: Absolutely! They are designed to prevent loosening and weakening under vibration and torque.
Guard4U Locknuts Editorial Review
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Pros
- High-quality stainless steel
- Variety of sizes included
- Strong self-locking feature
- Durable and corrosion-resistant
- Great for various applications
Cons
- Nuts may be difficult to differentiate at a glance.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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RWF 37820
Order now and get it around Monday, August 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Fastest cross-border delivery
Features & Benefits
- 220-piece assortment of nylon insert hex lock nuts in 7 common sizes.
- Made from high-quality 304 stainless steel for rust resistance and durability.
- Industrial-strength nylon collars offer superior security, replacing traditional lock washers.
- Highly resistant to turning, preventing weakening under vibration and torque.
- Packed in a sturdy, transparent box for easy storage and organization.
- Ideal for both professionals and DIY enthusiasts.
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