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Item #:
102109578
225PCS #4-40 to 3/8"-16 Stainless Steel Nylon-Insert Locknuts/Elastic Stop Nuts Assortment Kit,for #4-40#6-32#8-32#10-24#10-32 1/4"-20 5/16"-18
80% of respondents would recommend this to a friend
Item #:
102109578
RWF 32440
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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In stock
Imported from USA store
QTY:
Order now and get it around Monday, September 28
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Use these hex nuts for general purpose fastening applications; A nylon insert grips threads to resist loosening.
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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 Assortment
This kit includes 225 pieces of various sizes, ensuring you have the right locknuts for multiple applications, enhancing versatility for DIY projects or professional repairs.
Durable Stainless Steel
Made from high-quality stainless steel, these locknuts resist corrosion and wear, providing long-lasting performance and reliability in various environments and conditions.
Nylon-Insertion Technology
Featuring nylon inserts, these nuts securely grip bolts, preventing loosening due to vibrations, making them ideal for high-stress applications where security is essential.
Product Details
Who Should Buy?
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DIY Enthusiasts
Perfect for hobbyists and DIY projects requiring secure fastening with various screw sizes. Ideal for home repairs.
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Professional Mechanics
A reliable choice for mechanics needing a versatile assortment of locknuts for vehicle maintenance and repairs.
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Electrical Installers
Great for electrical work, providing stable connections and preventing loosening in electrical fittings and components.
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Heavy Construction
Not suitable for heavy-duty construction projects requiring higher load-bearing fasteners or stronger materials.
Product Description
225PCS #4-40 to 3/8"-16 Stainless Steel Nylon-Insert Locknuts/Elastic Stop Nuts Assortment Kit,for #4-40#6-32#8-32#10-24#10-32 1/4"-20 5/16"-18 3/8"-16 Screws/Bolts
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Can these locknuts be reused?
Answer: Yes, these locknuts can be reused unless they show significant wear, but their holding power may lessen with each use. -
Question:
What sizes are included in the kit?
Answer: The kit includes 8 sizes: #4-40, #6-32, #8-32, #10-24, #10-32, 1/4-20, 5/16-18, and 3/8-16. -
Question:
Is the material of the nuts resistant to chemicals?
Answer: Yes, the locknuts are made from 304 stainless steel, which is chemical resistant.
MCMASKE Locknuts Editorial Review
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Customer Reviews & Ratings
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Pros
- Variety of sizes included
- Durable stainless steel material
- Nylon insert for secure fit
- Good for various projects
- Cost-effective assortment kit
Cons
- Some users found the quality inconsistent.
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- 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 32440
Order now and get it around Monday, September 28
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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Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Includes 225 pieces of Nylon-Insert Locknuts in 8 essential sizes.
- Nylon insert enhances grip to resist loosening in various applications.
- High-quality 304 stainless steel ensures durability and chemical resistance.
- Nuts can be reused without damaging threads; ideal for both stops and spacers.
- Packed in a convenient plastic box for easy organization and transport.
- Great for general purpose fastening needs in any workshop or home.
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