iExcell 1500 Pcs 12.9 Grade Alloy Steel M3 Hex Socket Head Cap Screws, Nuts, Washers and Hex Key Wrench Kit

? Meets/exceeds: DIN912 ? Screw head style: Socket Cap; Screw drive style : hex socket drives, also known as internal hex drives ? Material of hex key wrench: chrome-vanadium steel, nickel plated ? Material of screws nuts and washers: Alloy steel, Black oxide Finish ? Easy to store: these screws,nuts, washers and a wrench come in a sturdy easy-use case ?12.9 grade alloy steel, Hardness: HRC 39-44, tensile strength: 1220N/mm² ? Rust proof: black oxide finish with anti-rust oil Item--Thread Length--Total Length M3 x 4--------4mm--------7mm 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 M3 x 25------25mm-------28mm M3 x 30------30mm-------33mm M3 x 35------35mm-------38mm M3 x 40------40mm-------43mm M3 x 45------45mm-------48mm M3 x 50------50mm-------53mm Package Contains: M3 x 4-------50 Pcs M3 x 6-------50 Pcs M3 x 8-------50 Pcs M3 x 10------50 Pcs M3 x 12------50 Pcs M3 x 16------50 Pcs M3 x 20------50 Pcs M3 x 25------25 Pcs M3 x 30------25 Pcs M3 x 35------25 Pcs M3 x 40------25 Pcs M3 x 45------25 Pcs M3 x 50------25 Pcs M3 Nuts-----500 Pcs M3 Washers--500 Pcs Hex Wrench----1 Pcs Total: 1501 Pcs