iExcell 100 Pcs M3 x 20/25/30/35/40 Alloy Steel 10.9 Grade Hex Socket Flat Head Cap Screws Bolts Assortment Kit, Black Oxide Finish

• ✔ Includes 100 Pcs, 5 Sizes, M3 Hex Socket Flat Head Cap Screws: M3 x 20, M3 x 25, M3 x 30, M3 x 35, M3 x 40
• ✔ Includes 1 Pcs Hex Key, Hex Size: 2.0 mm, Can Drive These Screws Conveniently and Easily
• ✔ Material of Screws: Alloy Steel, Black Oxide Finish, High Strength And Anti-rust; Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength And Anti-rust
• ✔ Strength Grade of Screws: 10.9 Grade, Hardness: HRC 32-39, Tensile Strength: 1040 N/mm²
• ✔ Package: All These Screws and 1 Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily

✔ Meets/exceeds: DIN7991 ✔ Screw Head Style: Flat head, known as countersunk head, countersunk angle: 90 Degree ✔ Screw Drive Style: Internal Hex Drives, known as Hex Socket Drives, hex Size: 2 mm ✔ Head Diameter: 5.94 mm/0.23",Thread Size(Dia.): 3mm; Thread Pitch : 0.5 mm ✔ Rust proof of Screws: black oxide finish covered with anti-rust oil [ Sizes ]---[ Thread Length ]---[ Total Length (Include Head) ] M3 x 20-------18.4mm-------20mm M3 x 25-------23.4mm-------25mm M3 x 30-------28.4mm-------30mm M3 x 35-------33.4mm-------35mm M3 x 40-------38.4mm-------40mm [ Package Contains ] M3 x 20--------20 Pcs M3 x 25--------20 Pcs M3 x 30--------20 Pcs M3 x 35--------20 Pcs M3 x 40--------20 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 Flat Head ] Flat head screws are designed to fit flush to the surface when used with countersunk holes