iExcell 100 Pcs M4 x 8/10/12/16/20 mm Alloy Steel 10.9 Grade Hex Socket Flat Head Cap Screws Bolts Assortment Kit, Black Oxide Finish($8.96Value)

Description

✔ Includes 100 Pcs, 5 Sizes, M4 Hex Socket Flat Head Cap Screws: M4 x 8, M4 x 10, M4 x 12, M4 x 16, M4 x 20 ✔ Material of Screws: Alloy Steel, Black Oxide Finish, High Strength And Anti-rust ✔ Strength Grade of Screws: 10.9 Grade, Hardness: HRC 32-39, Tensile Strength: 1040 N/mm² ✔ Includes 1 Pcs Hex Key, Hex Size: 2.5 mm, Can Drive These Screws Conveniently and Easily, Material: Chrome-Vanadium Steel, Nickel Plated, Higher Strength And Anti-rust ✔ Package: 100 Pcs M4 Hex Socket Flat Head Cap Screws and 1 Pcs 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: 2.5 mm
✔ Head Diameter: 7.8 mm/0.31", Thread Size(Dia.): 4 mm; Thread Pitch : 0.7 mm
✔ Rust proof of Screws: black oxide finish covered with anti-rust oil

[ Sizes ]---[ Thread Length ]---[ Total Length ]
M4 x 8---------5.7mm---------8mm
M4 x 10--------7.7mm---------10mm
M4 x 12--------9.7mm---------12mm
M4 x 16--------13.7mm--------16mm
M4 x 20--------17.7mm--------20mm

[ Package Contains ]
M4 x 8--------20 Pcs
M4 x 10--------20 Pcs
M4 x 12--------20 Pcs
M4 x 16--------20 Pcs
M4 x 20--------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