Split Lock Washer (M3), 304 Stainless Steel Spring Lock Washer Elastic Gasket, 200PCS - size: M3 200PCS
Split Lock Washer (M3), 304 Stainless Steel Spring Lock Washer Elastic Gasket, 200PCS - size: M3 200PCS
About this item
- Made of premium silver 316 stainless steel. This material features superior salt spray, rust and chemical corrosion resistance, far more durable than ordinary steel for marine and humid environments.
- This spring washer is made in standard size, placed between bolts, screws, nuts and workpiece surfaces for matching assembly. Sufficient quantity is provided to meet daily assembly, maintenance and parts replacement demands.
- Split spring structure provides strong locking friction to stop loosening from vibration; evenly disperse pressure when tightening bolts to avoid surface compression damage.
- Cost-effective fastening accessories suitable for electronic equipment, machinery, furniture repair, outdoor construction, appliance maintenance, auto & marine fittings and all kinds of industrial fastening tasks.
Overview
- Material: Stainless Steel
- Outside Diameter: 10 centimeters
- Washer Type: Split Lock
- Fastener Size: M3
- Item Thickness: 5 millimeters
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
⭐⭐⭐⭐⭐
Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
New Arrivals
-
Anwyll Purple Name Tag Stickers - 200 Pcs 3'' x 2'' Name Label Stickers - color: Purple
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Disposable Epoxy Resin Mixing Cups with Measurements (20-Pack) Pixiss Mixing Cups for Epoxy Resin, Epoxy Mixing Containers, Epoxy Cups For Epoxy Measuring Cups - 20 Resin Mixing Sticks - size: 20 x 10-Ounce
Regular price $14.51 USDRegular priceSale price $14.51 USD -
150mm Plastic Vernier Caliper - Dual Scale Metric/Inch Measuring Tool for DIY, Crafts & Jewelry Making, Multiple Colors Available (White) - color: white
Regular price $3.97 USDRegular priceSale price $3.97 USD -
WORKPRO 24 in 1 Multi Bit Mini Screwdriver Set Magnetic, Pink - color: Pink
Regular price $22.06 USDRegular priceSale price $22.06 USD -
150mm Plastic Vernier Caliper - Dual Scale Metric/Inch Measuring Tool for DIY, Crafts & Jewelry Making, Multiple Colors Available (red) - color: red
Regular price $2.59 USDRegular priceSale price $2.59 USD -
Anwyll Orange Name Tag Stickers - 200 Pcs 3'' x 2'' Name Label Stickers - color: Orange
Regular price $13.26 USDRegular priceSale price $13.26 USD -
150mm Plastic Vernier Caliper - Dual Scale Metric/Inch Measuring Tool for DIY, Crafts & Jewelry Making, Multiple Colors Available (Blue) - color: blue
Regular price $3.34 USDRegular priceSale price $3.34 USD -
The Little Scientist's Log Notebook: A Loosely Guided Journal for Kids' Experiments, Hypotheses, Sketches, Observations, and Conclusions
Regular price $13.26 USDRegular priceSale price $13.26 USD -
150mm Plastic Vernier Caliper - Dual Scale Metric/Inch Measuring Tool for DIY, Crafts & Jewelry Making, Multiple Colors Available (Black) - color: black
Regular price $3.34 USDRegular priceSale price $3.34 USD -
Stainless Steel Metal Spatula Set For Griddle, Grill Spatula Scraper for BBQ/Flat Top Grill- Full Tang Handle -Thicked Blade- Beveled Edges, Great Griddle Accessories for Pancake/Smash Burgers - size: 3" x 5", 5" x 6", 5.5"
Regular price $38.79 USDRegular priceSale price $38.79 USD -
Anwyll Gold Foil Name Tag Stickers 200 Pcs 3'' x 2'' Name Label Stickers - color: Gold Foil
Regular price $11.60 USDRegular priceSale price $11.60 USD -
Geeetech Upgrade BL- Touch V3.2 Pro Auto Bed Leveling Sensor with 4 Brackets for Ender 3,Ender-3 Pro, Ender 5, Ender 5 Pro, Ender 5s, CR10, CR10 V3 Printer. Bltouch Kit for 8 or 32 Bit Motherboard
Regular price $41.48 USDRegular priceSale price $41.48 USD -
FYSETC 3D Printer Accessories Nozzle Cleaning: Upgrade a Large Block Silicone Brush Wiper for Multiple Model Soft Clean Tool Extruder Filament Buildup Removal Clog Prevention No Brackets Provided
Regular price $28.20 USDRegular priceSale price $28.20 USD -
Stainless Steel Metal Spatula Set For Griddle, Grill Spatula Scraper for BBQ/Flat Top Grill- Full Tang Handle -Thicked Blade- Beveled Edges, Great Griddle Accessories for Pancake/Dough Cutter - size: 3" x 5", 5" x 6", 3" x 6"
Regular price $35.81 USDRegular priceSale price $35.81 USD -
Anwyll Blue Name Tag Stickers - 200 Pcs 3'' x 2'' Name Label Stickers - color: Blue
Regular price $13.26 USDRegular priceSale price $13.26 USD -
400PCS Solder Seal Wire Connectors Kit, Waterproof Solderless Heat Shrink Butt Terminal Insulated Electrical Butt Splice for Automotive Marine Boat Cars Wire Join
Regular price $44.80 USDRegular priceSale price $44.80 USD -
Anwyll Black Name Tag Stickers - 200 Pcs 3'' x 2'' Name Label Stickers - color: Black
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Stainless Steel Spatula Set, Grill Spatula Set with Full Tang Handle & Beveled Edges, Long Wide Spatula for Cast Iron Griddle BBQ Flat Top Grill, Pancake Turner, Smash Burgers Metal Flipper - size: 3" x 8", 5" x 6", 3" x 5"
Regular price $34.31 USDRegular priceSale price $34.31 USD
FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
Blog posts
View all-
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
-
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
-
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...
















