M3-0.5 Lock Nut, 230Pcs Stainless Steel Nylock Insert Locking Nut - size: M3-0.5, 230 Pack
M3-0.5 Lock Nut, 230Pcs Stainless Steel Nylock Insert Locking Nut - size: M3-0.5, 230 Pack
About this item
- Package Content: 230 piece of M3 304 (18-8) stainless nylon insert lock nuts
- 304 Stainless Steel Lock Nut: Nylon insert lock nut is made of high-quality 304(A2-70)stainless steel, rust-proof, corrosion resistance, sturdy, will not twist or deform, and has a long service life.With the spiral pattern is clear,the polishing process, the surface is smooth, no worry about scratching your hands
- Nylon Insert Locknut: M3-0.5mm is standard metric threaded nylock nuts have reliable anti-loosening performance, so that it and the bolt threads to form a close fit, and in the role of the elasticity of the nylon friction resistance, in order to achieve the purpose of anti-loosening. Assembly torque is more stable, anti-loosening is very reliable, can be used in shock vibration occasions
- Wide Application: Common uses for metric hardware nuts include securing instrument and equipment components, linking pipes and structural elements.Suitable for use or maintenance in a wide range of applications such as furniture decoration, automotive repair, the mechanical industry and small repairsaround shops, construction, etc
- Convenient storage: Metric locknuts are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the lock nuts will not be lost or mixed up during use
Overview
- Material: Stainless Steel
- Fastener Type: Lock
- Thread Size: M3 x 0.5
- Exterior Finish: Polished
- Color: Polished
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Michael Turner — Columbus, Ohio
MROVanta made it easier to find several maintenance supplies in one place. The product information helped me compare the available options, and everything I ordered was useful for routine work around our facility.
-
⭐⭐⭐⭐⭐
Rachel Morgan — Phoenix, Arizona
I was looking for practical supplies for our workshop and found the selection easy to browse. The categories were well organized, and I could quickly locate tools, fasteners, and other items needed for regular maintenance.
-
⭐⭐⭐⭐⭐
David Collins — Charlotte, North Carolina
The products I selected were suitable for the maintenance tasks we had planned. I appreciated being able to review the specifications before ordering, especially when comparing sizes and compatibility for different applications.
-
⭐⭐⭐⭐⭐
Amanda Brooks — Denver, Colorado
I ordered a mix of facility and equipment supplies for our work area. The shopping process was straightforward, and the selection covered several everyday maintenance needs without requiring visits to multiple stores.
New Arrivals
-
10-Piece Premium 1 x 30 Inch Zirconia Sanding Belts 40-400 Grit - color: Mix Grit, size: 1x30 Inch
Regular price $16.58 USDRegular priceSale price $16.58 USD -

12-Piece Premium 1 x 42 Inch Zirconia Sanding Belts 40-400 Grit - color: Mix Grit, size: 1 x 42 Inch
Regular price $33.18 USDRegular priceSale price $33.18 USD -
48-Piece 1/2 x 12 Inch Knife Sharpener Sanding Belts 120-800 Grit - color: Mix Grit, size: 1/2 x 12 Inch
Regular price $29.86 USDRegular priceSale price $29.86 USD -
Bertech Double-Sided Polyimide Tape, 1 Mil Thick, 7/8 Inch x 36 Yards - size: 0.88 Inches
Regular price $135.56 USDRegular priceSale price $135.56 USD -
Bertech Double-Sided Polyimide Tape, 1 Mil Thick, 13/16 Inch x 36 Yards - size: 0.81 Inches
Regular price $126.71 USDRegular priceSale price $126.71 USD -
Williams JHW20542 8-Ounce Ball Pein Fiberglass Handle Hammer - size: 8-Ounce
Regular price $48.39 USDRegular priceSale price $48.39 USD -
Bertech Double Sided Polyimide Tape, 1 Mil Thick, 3/4 Inches Wide x 36 Yards Long, Silicone Adhesive on Both Sides, 3 Inch Core, RoHS and REACH Compliant - size: 0.75 Inches
Regular price $109.49 USDRegular priceSale price $109.49 USD -
LiTime 275A Power Distribution Block, 4×5/16''(M8) Studs, 6× #8(M4) Screws
Regular price $76.34 USDRegular priceSale price $76.34 USD -
Bertech Double-Sided Polyimide Tape, 1 Mil Thick, 11/16 Inch x 36 Yards - size: 0.69 Inches
Regular price $88.41 USDRegular priceSale price $88.41 USD -
Williams JHW20544 16-Ounce Ball Pein Fiberglass Handle Hammer - size: 16-Ounce
Regular price $49.88 USDRegular priceSale price $49.88 USD -
Bertech Double-Sided Polyimide Tape, 1 Mil Thick, 9/16 Inch x 36 Yards - size: 0.56 Inches
Regular price $79.56 USDRegular priceSale price $79.56 USD -
M10 x 100mm 4Pcs Flanged Hex Head Bolts, M10 x 1.5 Bolts, Flange Hexagon Head Screws, 304 Stainless Steel, Bright Finish, Metric Fully Thread - size: M10 x 100mm(4PCS)
Regular price $19.90 USDRegular priceSale price $19.90 USD -
Bertech Double-Sided Polyimide Tape, 1 Mil Thick, 7/16 Inch x 36 Yards - size: 0.44 Inches
Regular price $68.33 USDRegular priceSale price $68.33 USD -
Coceca 50pcs Mouse Detail Sander Sandpaper Sanding Sheets 35pcs 120Grits & 15pcs 240Grits for Sanding Polishing - style: 50pcs: 35pcs 120grit+15pcs 240grit
Regular price $16.58 USDRegular priceSale price $16.58 USD -
M10 x 90mm 4Pcs Flanged Hex Head Bolts, M10 x 1.5 Bolts, Flange Hexagon Head Screws, 304 Stainless Steel, Bright Finish, Metric Fully Thread - size: M10 x 90mm(4PCS)
Regular price $19.90 USDRegular priceSale price $19.90 USD -
Bertech - PPTDE-3/8 Double Sided Polyimide Tape, 1 Mil Thick, 3/8 Inches Wide x 36 Yards Long, Silicone Adhesive on Both Sides, 3 Inch Core, RoHS and REACH Compliant - size: 0.375 Inches
Regular price $73.02 USDRegular priceSale price $73.02 USD -

150pcs Mouse Detail Sander Sandpaper Assorted Grits - style: 150pcs:each 30 of40/80/120/180/240 grit
Regular price $29.86 USDRegular priceSale price $29.86 USD -
M10 x 75mm 4Pcs Flanged Hex Head Bolts, M10 x 1.5 Bolts, Flange Hexagon Head Screws, 304 Stainless Steel, Bright Finish, Metric Fully Thread - size: M10 x 75mm(4PCS)
Regular price $19.90 USDRegular priceSale price $19.90 USD
Featured Collections
-
Abrasive & Finishing Products
Prepare, shape, smooth, clean, and finish working surfaces with the Abrasive &...
-
Adhesives, Sealants & Lubricants
Support assembly, repair, sealing, protection, and equipment maintenance with the Adhesives, Sealants...
-
Cutting Tools
Explore cutting tools for machining, fabrication, repair, installation, and routine maintenance across...
FAQ
How can I confirm that a product is suitable for my application?
Review the product description, dimensions, materials, ratings, connection types, and compatibility information before ordering. Industrial requirements vary, so consult the equipment manufacturer or a qualified professional if you are uncertain.
Do you provide installation or technical advice?
We can help clarify information shown on a product page, but we do not provide engineering, installation, or workplace-safety advice. Products should be selected, installed, and operated by appropriately qualified personnel where required.
Can I change or cancel my order after placing it?
Contact us as soon as possible at ruleindgalein@gmail.com. We will try to accommodate your request, but changes or cancellations cannot be guaranteed once an order has entered processing or shipment.
When will my order be shipped?
Processing and delivery estimates may vary depending on the product, destination, inventory availability, and carrier. Please review the shipping information provided at checkout and our Shipping & Delivery Policy for additional details.
How can I track my order?
When tracking becomes available, it will be sent to the email address used for your order. Tracking activity may take some time to appear after the carrier receives the shipment.
Why did my order arrive in more than one package?
Items from the same order may be fulfilled or shipped separately. As a result, packages can arrive at different times and may have separate tracking numbers. You will not be charged additional shipping solely because an order is divided into multiple shipments.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at ruleindgalein@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, shipping label, and any visible damage. Keep all packaging until we provide further instructions.
Can I return an item if it is not suitable?
Eligible items may be returned in accordance with our Return & Refund Policy. Return conditions, exclusions, time limits, and any applicable costs depend on the item and circumstances. Please contact us before sending anything back.
Do you offer bulk quantities or business purchasing?
Availability of larger quantities varies by product. Email us with the product link, desired quantity, required specifications, and delivery location, and we will let you know whether suitable options are available.
How can I contact MROVanta?
Email us at ruleindgalein@gmail.com or call +1 (936) 260-5549. Include your order number when contacting us about an existing purchase so we can assist you more efficiently.
Blog posts
View all-
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities. Discover practical corrosion-control methods, surface preparation techniques, coating considerations, and preventive maintenance practices.
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities. Discover practical corrosion-control methods, surface preparation techniques, coating considerations, and preventive maintenance practices.
-
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities with practical corrosion-control strategies. Discover how moisture, condensation, coatings, pipe supports, and routine MRO inspections work together...
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities with practical corrosion-control strategies. Discover how moisture, condensation, coatings, pipe supports, and routine MRO inspections work together...
-
Why Exposed Metal Pipes Rust Faster in Industri...
Learn why exposed metal pipes rust faster in industrial facilities and discover practical corrosion prevention strategies for humid, outdoor, and chemical-exposure environments.
Why Exposed Metal Pipes Rust Faster in Industri...
Learn why exposed metal pipes rust faster in industrial facilities and discover practical corrosion prevention strategies for humid, outdoor, and chemical-exposure environments.















