--- product_id: 224188120 title: "100 pcs M3 x 10 mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts" brand: "zw99 store" price: "¥2572" currency: JPY in_stock: true reviews_count: 13 category: "Zw99" url: https://www.desertcart.jp/products/224188120-100-pcs-m3-x-10-mm-12-9-grade-alloy store_origin: JP region: Japan --- # M3 x 10mm - precise metric sizing Black Oxide Finish - corrosion resistant Grade 12.9 Alloy Steel - ultra durable 100 pcs M3 x 10 mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts **Brand:** zw99 store **Price:** ¥2572 **Availability:** ✅ In Stock ## Summary > 🛠️ Screw it right, screw it tight — the pro’s choice in every pack! ## Quick Answers - **What is this?** 100 pcs M3 x 10 mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts by zw99 store - **How much does it cost?** ¥2572 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/224188120-100-pcs-m3-x-10-mm-12-9-grade-alloy) ## Best For - zw99 store enthusiasts ## Why This Product - Trusted zw99 store brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Ready:** 100-piece set keeps your workshop stocked and ready for any project or repair. - • **Built to Last:** Crafted from premium Grade 12.9 alloy steel for unmatched strength and longevity. - • **Sleek & Stealthy:** Matte black oxide finish not only resists corrosion but adds a professional, low-glare look. - • **Precision Perfect:** Exact M3 x 10mm sizing with full thread coverage ensures flawless fit every time. - • **Versatile Compatibility:** Ideal for 3D printers, RC vehicles, and heat set inserts—engineered for the pros. ## Overview This 100-piece set of M3 x 10mm hex socket head cap screws features Grade 12.9 alloy steel construction with a full thread and black oxide finish, delivering superior strength, corrosion resistance, and precision fit for professional-grade applications. ## Description Material: 12.9 Alloy Steel Review: Decent quality and I like that you can buy them in specific sizes as needed. - I use a lot of these length bolts with things from the 3D printer. I like that these are available in bulk in specific sizes so I can stock more of these to match my use. They are decent quality and for the price they are a great choice. I use them to fill a kit and as I am building things. Works well with brass heat set inserts. Review: Nice quality screws. - Good quality. Replaced a lot of screws on my rc's with these and they held up. ## Features - Material: 12.9 Alloy Steel - Metric M3 screws,Thread Length: M3 x 10mm，Thread Diameter: 3mm, - Thread Pitch: 0.5mm, Total Length: 13mm - Head Diameter: 5.3mm，Head Height : 3mm - Thread Coverage: Full Thread ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CMSBQ11 | | Best Sellers Rank | #4,447 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Socket Head Screws | | Brand | zw99 Store | | Color | Black | | Compatible Groove Diameter | 3 Millimeters | | Customer Reviews | 4.8 4.8 out of 5 stars (604) | | Drive System | Internal Hex | | Exterior Finish | Black Oxide | | Fastener Size | M3 | | Fastener Type | Socket Screws | | Finish Types | matte | | Grade Rating | grade_12.9 | | Head Type | Hex | | Item Diameter | 3 Millimeters | | Item Dimensions | 0.21 x 0.21 x 0.31 inches | | Item Hardness | Grade 12.9 | | Manufacturer | GuanGuangshundagshunda | | Manufacturer Grade | 12.9 | | Material Type | Alloy Steel | | Metal Type | Alloy Steel | | Model | Metric M3 Hex Socket Head Cap Screws | | Number of Pieces | 100 | | Part Number | 12.9-M3 | | Screw Head Style | Hex | | Set Name | 100 pieces | | Set Screw Thread Type | Metric | | Size Name | M3 x 10mm | | Thread Class | 3B | | Thread Coverage | Fully Threaded | | Thread Size | M3 | | Thread Style | Right Hand | | Thread Type | Metric | | UPC | 647731947664 | | Unit Count | 1.0 Count | ## Product Details - **Exterior Finish:** Black Oxide - **Head Style:** Hex - **Manufacturer Grade:** 12.9 - **Material:** Alloy Steel - **Thread Size:** M3 ## Images ![100 pcs M3 x 10 mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts - Image 1](https://m.media-amazon.com/images/I/51nr+xZ7PUL.jpg) ## Available Options This product comes in different **Size, Item Package Quantity** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Decent quality and I like that you can buy them in specific sizes as needed. *by M***N on May 10, 2025* I use a lot of these length bolts with things from the 3D printer. I like that these are available in bulk in specific sizes so I can stock more of these to match my use. They are decent quality and for the price they are a great choice. I use them to fill a kit and as I am building things. Works well with brass heat set inserts. ### ⭐⭐⭐⭐⭐ Nice quality screws. *by B***S on January 4, 2026* Good quality. Replaced a lot of screws on my rc's with these and they held up. ### ⭐⭐⭐⭐⭐ Exactly the ones I needed. *by R***F on January 14, 2026* Used these to assemble a 3D printed project. Worked great. Exactly as described. ## Frequently Bought Together - 100pcs M3 x 10mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts,Black Oxide Finish - uxcell a16033100ux0563 M3 Carbon Steel Grade 8 Hexagon Hex Nut Black Carbon Steel (Pack of 100) - BNUOK 180pcs M3 x 10mm Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Allen Socket Drive, Full Threads,with Hex Spanner --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/224188120-100-pcs-m3-x-10-mm-12-9-grade-alloy](https://www.desertcart.jp/products/224188120-100-pcs-m3-x-10-mm-12-9-grade-alloy) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-18*