iexcell 400 Pcs M3 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish

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iexcell 400 Pcs M3 x 4/5/6/8/10/12/16/20 Alloy Features

• ✔ Includes 200 Pcs, 8 Sizes, M3 Hex Socket Head Cap Screws: M3 x 4, M3 x 5, M3 x 6, M3 x 8, M3 x 10, M3 x 12, M3 x 16, M3 x 20

• ✔ Material of Screws: Alloy Steel 40Cr, Strength Grade: 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220 N/mm²; Surface Finish: Black Oxide Finish with Anti-rust Oil

• ✔ Includes 200 Pcs M3 Nuts to Meet Different Applications, Material of Nuts: Alloy Steel

• ✔ Includes 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily, Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust

• ✔ Package: All These Screws, Nuts and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily

About Iexcell 400 Pcs M3 X 4/5/6/8/10/12/16/20 Alloy

✔ Meets/Exceeds: DIN 912 ✔ Screw head: socket cap; screw drive: hex socket, also known as internal hex drives, hex size: 2.5 mm ✔ Head diameter: 5.5 mm; head height: 3 mm; thread pitch: 0.5 mm; thread diameter: 3 mm ✔ Rust proof of screws and nuts: black oxide finish with anti-rust oil ✔ Easy to store: these screws, nuts and a hex key come in an easy-use storage case Sizes---Thread Length---Total Length M3 x 4--------4mm--------7mm M3 x 5--------5mm--------8mm M3 x 6--------6mm--------9mm M3 x 8--------8mm-------11mm M3 x 10------10mm-------13mm M3 x 12------12mm-------15mm M3 x 16------16mm-------19mm M3 x 20------20mm-------23mm Package Contains: M3 x 4------------25 Pcs M3 x 5------------25 Pcs M3 x 6------------25 Pcs M3 x 8------------25 Pcs M3 x 10-----------25 Pcs M3 x 12-----------25 Pcs M3 x 16-----------25 Pcs M3 x 20-----------25 Pcs M3 Nuts---------200 Pcs Hex Key-----1 Pcs Total: 401 Pcs About Hex Socket Drives: Hex socket hex drives, also known as Internal Hex Drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench About Socket Cap Head: Socket Cap Head ,also known as Allen head ,have a recessed drive, and are commonly used when there is not enough clearance for a conventional wrench or socket. They are fastened with an Allen wrench, which is also called a hex wrench or hex key