--- product_id: 146136666 title: "iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit" brand: "iexcell" price: "S$20" currency: SGD in_stock: true category: "Iexcell" url: https://www.desertcart.sg/products/146136666-iexcell-250-pcs-m3-x-6-8-10-12-16 store_origin: SG region: Singapore --- # 250 pcs premium alloy steel screws Grade 12.9 high tensile strength Includes durable chrome-vanadium hex key iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit **Brand:** iexcell **Price:** S$20 **Availability:** βœ… In Stock ## Summary > πŸ”§ Elevate your builds with strength and style β€” don’t get left behind! ## Quick Answers - **What is this?** iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit by iexcell - **How much does it cost?** S$20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/146136666-iexcell-250-pcs-m3-x-6-8-10-12-16) ## Best For - iexcell enthusiasts ## Why This Product - Trusted iexcell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Organized & Ready to Go:** Comes in a sturdy, easy-use plastic case with a nickel-plated chrome-vanadium hex keyβ€”your all-in-one toolkit for efficiency and convenience. - β€’ **Sleek Button Head Design:** Low-profile button heads with 2 mm internal hex drive combine style and function for a clean, modern finish. - β€’ **Precision Fit for Every Project:** Five versatile M3 sizes (6, 8, 10, 12, 16 mm) fully threaded for seamless integration into any professional build or repair. - β€’ **Rust-Resistant Black Oxide Finish:** Enhanced with anti-rust oil coating to keep your hardware looking sharp and lasting longer in any environment. - β€’ **Ultimate Strength, Zero Compromise:** Crafted from SCM435 alloy steel with Grade 12.9 hardness (HRC 39-44) for unmatched durability and tensile strength of 1220N/mmΒ². ## Overview The iexcell 250 Pcs M3 Hex Socket Button Head Cap Screws Assortment Kit offers professional-grade alloy steel screws in five essential sizes, all with a high tensile Grade 12.9 rating and rust-resistant black oxide finish. Perfectly paired with a durable chrome-vanadium hex key and organized in a compact storage case, this kit is engineered for precision, longevity, and effortless use in any demanding project. ## Description βœ” Material of Screws: Alloy Steel SCM435, high tensile, hardness: HRC 39-44 βœ” Material of Hex Key: chrome-vanadium steel, nickel plated βœ” Screw head style: button βœ” Screw drive style: internal hex, known as hex socket, hex Size 2.0 mm βœ” Rust proof: black oxide finish covered with anti-rust oil βœ” Easy to store: these screws and hex key come in a sturdy easy-use case [ Sizes ]----- [ Thread Length ]----[ Total Length ] M3 x 6-------6mm/0.24"--------7.6mm/0.30" M3 x 8-------8mm/0.31"--------9.6mm/0.38" M3 x 10-----10mm/0.39"-------11.6mm/0.46" M3 x 12-----12mm/0.47"-------13.6mm/0.54" M3 x 16-----16mm/0.63--------17.6mm/0.69" [ Package Contains ] M3 x6--------50 Pcs M3 x8--------50 Pcs M3 x10-------50 Pcs M3 x12-------50 Pcs M3 x16-------50 Pcs Hex Key ------1 Pcs About Internal Hex drives Internal Hex drives, also known as Hex Socket Drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench About Button Head Button head is similar to standard pan head screws but have a curved top ## Features - βœ” Includes 250 Pcs, 5 Sizes, M3 Hex Socket Button Head Cap Screws: M3 x 6, M3 x 8, M3 x 10, M3 x 12, M3 x 16 - βœ” Screw Head Style: Button ; Screw Drive Style: Internal Hex Drives, Known as Hex Socket Drives, Hex Size 2 mm;Head Diameter: 5.5 mm, Head Height: 1.6 mm; Thread Size: 3 mm, Thread Pitch: 0.5 mm - βœ” Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws : 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mmΒ² - βœ” Includes 1 Pcs Hex Key Wrench, Hex Size: 2.0 mm, to Drive These Screws Conveniently and Easily; Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength And Anti-rust - βœ” Package: These Screws and 1 Pcs Hex Key Wrench Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07Q45TMDG | | Best Sellers Rank | #9,568 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #58 in Socket Head Screws | | Brand | iexcell | | Color | Black | | Compatible Groove Diameter | 5.5 millimeters | | Customer Reviews | 4.7 4.7 out of 5 stars (573) | | Drive System | Internal Hex | | Exterior Finish | Black Oxide | | Fastener Size | M3 | | Fastener Type | Hex Socket Button Head Cap Screw | | Finish Types | Black Oxide | | Grade Rating | Grade 12.9 | | Head Type | Button | | Item Diameter | 5.55 millimeters | | Item Hardness | Grade 12.9 | | Manufacturer | iExcell | | Manufacturer Grade | premium | | Material Type | Alloy Steel | | Metal Type | Alloy Steel | | Model | BM306165531-12.9 | | Number Of Items | 250 | | Number of Pieces | 50 | | Outside Diameter | 5.55 millimeters | | Part Number | M3-0616B-12.9 | | Screw Head Style | Button | | Set Name | M3 x 6 (50pcs), M3 x 8 (50pcs), M3 x 10 (50pcs), M3 x 12 (50pcs), M3 x 16 (50pcs) | | Set Screw Thread Type | Metric | | Size Name | M3 x 6/8/10/12/16mm | | Thread Class | 3B | | Thread Coverage | Fully Threaded | | Thread Size | m3-0.5 | | Thread Style | Right Hand | | Thread Type | Metric | | UPC | 601629960630 | | Unit Count | 100 Count | ## Product Details - **Exterior Finish:** Black Oxide - **Head Style:** Button - **Manufacturer Grade:** premium - **Material:** Alloy Steel - **Thread Size:** m3-0.5 ## Images ![iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit - Image 1](https://m.media-amazon.com/images/I/41kAkAzj2AL.jpg) ![iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit - Image 2](https://m.media-amazon.com/images/I/41cA+x0NIlL.jpg) ![iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit - Image 3](https://m.media-amazon.com/images/I/31HvuokhlUL.jpg) ![iexcell 250 Pcs M3 x 6/8/10/12/16 Alloy Steel 12.9 Grade SCM435 High Tensile Hex Socket Button Head Cap Screws Bolts Assortment Kit - Image 4](https://m.media-amazon.com/images/I/71ARqPcsq4L.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/146136666-iexcell-250-pcs-m3-x-6-8-10-12-16](https://www.desertcart.sg/products/146136666-iexcell-250-pcs-m3-x-6-8-10-12-16) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-11-07*