800 Pcs M2.5 x 4mm/6mm/8mm/10mm/12mm/16mm/20mm Socket Head Screws M2.5 Long Screws Metric Screws Bolts Washers Nuts Kit Machine Screw Assortment Kit 12.9 Grade Alloy Steel Fully Threaded for Furniture - size: M2.5x4/6/8/10/12/16/20mm-800Pcs
800 Pcs M2.5 x 4mm/6mm/8mm/10mm/12mm/16mm/20mm Socket Head Screws M2.5 Long Screws Metric Screws Bolts Washers Nuts Kit Machine Screw Assortment Kit 12.9 Grade Alloy Steel Fully Threaded for Furniture - size: M2.5x4/6/8/10/12/16/20mm-800Pcs
About this item
- 【Comprehensive M2.5 Screw Kit】Equip your toolkit with 800 precision-engineered M2.5 components: 200 hex socket head cap screws (in 7 lengths: 4mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm – 30pcs each for 4-12mm, 25pcs each for 16-20mm), plus 200 M2.5 nuts, 200 M2.5 lock washers, and 200 M2.5 flat washers. With diverse sizes and ample quantities, it meets all your daily needs.
- 【M2.5 Screw Kit Material】Crafted from high-quality 12.9-grade alloy steel, this M2.5 kit (including black hex socket head screws, nuts, and washers) delivers exceptional strength, plus resistance to deformation, corrosion, and wear. Built for durability, it ensures reliable long-term performance even in demanding environments.
- 【M2.5 Screw Kit Key Functions】Fastening & removal are easy and efficient—works with an Allen wrench (sold separately). Even force distribution avoids slippage common with traditional screws for smooth installation/maintenance. Hex socket drive offers more torque & stable performance; M2.5 bolts have clean threads, uniform pitch, no burrs, and precise sizing.
- 【M2.5 Hex Socket Head Cap Screws & Bolts-Nuts Kit Wide Applications】This kit suits various mechanical assembly scenarios ideal for securing removable panels and parts. It works for precision machinery manufacturing, sorting instruments, electronics, printing equipment, home appliances, communication products, and other industrial/consumer goods. It also ensures stable performance for daily items like locks, lamps, and toys, offering strong versatility.
- 【M2.5 Metric Screws Package】Total 800 Pcs Packed in a durable transparent labeled box. Easy to identify sizes; no need to buy separately grab the right screw fast to cover all your needs
Overview
- Material: Carbon Steel
- Head Style: Hex Socket
- Item dimensions L x W x H: 5.1 x 3.6 x 0.7 inches
- Exterior Finish: Plainted
- Thread Size: M2.5
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
-
Creator 5 Build Plate Double Sided Textured Board Removable Heated Bed - color: Gold
Regular price $34.20 USDRegular priceSale price $34.20 USD -
35PCS 3ml Vial Caps, Peptide Caps for 1ml 2ml 3ml 4ml Vials Peptide Storage Protective Cap, Reusable Silicone Vial Covers Fit Peptide Case for Fridge by DawnBox, Leak-Proof and Dust-Proof.
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Koala Lens Cleaning Cloth | Japanese Microfiber | Pink & Orange (Pack of 6) - color: Pink / Orange, size: 6 Pack
Regular price $16.58 USDRegular priceSale price $16.58 USD -
1.2'' Optical Glass RGB Dispersion Prism X-Cube for Physics Teaching Gift - style: 30mm Hexagonal prism
Regular price $49.78 USDRegular priceSale price $49.78 USD -
13PCS Precision Craft Knife Set, Aluminum Handle Hobby Exacto Kit with 10 Blades for DIY Art, Paper Cutting, Model Making & Carving (13 Pieces in a Blue Box) - color: 13 pieces in a blue box
Regular price $5.39 USDRegular priceSale price $5.39 USD -
GPI Anatomicals Muscled Shoulder Model, Right Shoulder Joint - style: Muscled Shoulder
Regular price $236.88 USDRegular priceSale price $236.88 USD -
GPI Anatomicals Muscled Knee ModelRight Knee Joint with Muscles Model - style: Muscled Knee
Regular price $228.00 USDRegular priceSale price $228.00 USD -
Made in USA 6 Pack 8 DRAM 30 ml 1 oz Clear Glass Vials with Phenolic Screw Caps (Storage Cosmetics Oils Perfumes Spices Specimen)
Regular price $23.41 USDRegular priceSale price $23.41 USD -
Hurricane Watch: A Fascinating Science Picture Book for children (Ages 4-8) about How Hurricanes Form and Weather Safety (Let's-Read-and-Find-Out Science 2)
Regular price $14.92 USDRegular priceSale price $14.92 USD -
GPI Anatomicals Muscled Hip Model of Right Hip Joint with Muscles - style: Muscled Hip
Regular price $260.79 USDRegular priceSale price $260.79 USD -
6 Pack Turn in Trays Classroom with 6Pcs Small Baskets, Plastic Classroom Storage Bins Paper Trays for Classroom,Teachers, Students(13.6”×10.6”×3.1”) - color: Boho
Regular price $51.44 USDRegular priceSale price $51.44 USD -
GPI Anatomicals Muscled Elbow ModelModel of Right Elbow with Muscles - style: Muscled Elbow
Regular price $303.45 USDRegular priceSale price $303.45 USD -
Teling 100 Pcs 3.5x2.5 Mini Acrylic Sign Holder Slant Back Display Stands
Regular price $53.04 USDRegular priceSale price $53.04 USD -
6 Pack Plastic Classroom Storage Bins with 6Pcs Small Baskets, Colorful Turn in Paper Trays for Classroom,Teachers, Students(13.6”×10.6”×3.1”) - color: Rainbow
Regular price $49.78 USDRegular priceSale price $49.78 USD -
GPI Anatomicals Mini-Muscled Joint Model Set, Shoulder, Knee, & Elbow Joint - style: Mini-Muscled Joint Set
Regular price $227.67 USDRegular priceSale price $227.67 USD -
30Pcs 15 x 100mm Plastic Test Tubes with Cork Stoppers
Regular price $14.89 USDRegular priceSale price $14.89 USD -
J-Slips Kids Sandals - Comfortable Boys and Girls Jesus Jandals for Beach and Summer - Waterproof Hawaiian Slides in 12 Colors, Sandalias - color: Coconut, size: 12-13 Little Kid
Regular price $16.58 USDRegular priceSale price $16.58 USD -
19 Values 135PCS Aluminum Electrolytic Capacitor Assortment Kit
Regular price $33.18 USDRegular priceSale price $33.18 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-
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
-
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.
















