Feature

●? Includes 225 Pcs, 10 Sizes, M4 Hex Socket Button Head Cap Screws, Thread Pitch 0.7 mm, Thread Size ( Diameter) 4 mm, Head Diameter 7.4 mm, Head Height 2.0 mm, Thread Length From 6 mm to 40 mm : M4 x 6, M4 x 8, M4 x 10, M4 x 12, M4 x 16, M4 x 20, M4 x 25, M4 x 30, M4 x 35, M4 x 40
●? Strength Grade of Screws: 10.9 Grade, Tensile Strength: 1040 N/mm², Hardness: HRC 32-39; Material of Screws: Alloy Steel, Black Oxide Finish, High Strength And Anti-rust
●? Includes 225 Pcs M4 Hex Nuts to Meet Different Applications, Material of Nuts: Alloy Steel, Black Oxide Finish
●? 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


Description

? Meets/exceeds: ISO7380
? Screw Head Style: Button Head, Screw Drive Style: internal hex drives, also known as hex socket drives, hex size 2.5 mm,
? Screws Head Diameter : 7.4 mm; Screws Head Height: 2 mm; Thread Size( Dia. ):4 mm;Thread Pitch :0.7 mm
? Nuts outside hex sizes: 6.8 mm/0.27", nuts height ( thickness ): 3.1 mm/0.12"
? Material of Screws: alloy steel, 10.9 grade tensile strength, hardness: HRC 32-39
? Material of Nuts: alloy steel
? Rust proof of screws and Nuts : black oxide finish and anti-rust oil covering
? Material of hex key: chrome-vanadium steel, nickel plated to anti-rust
? Easy to Store: These screws, nuts and hex key come in an easy-use storage case

[ Sizes ]---[ Thread Length ]---[ Total Length ]
M4 x 6 -----6mm/0.24" -----8mm/0.31"
M4 x 8 -----8mm/0.31" -----10mm/0.39"
M4 x 10 ----10mm/0.39" ----12mm/0.47"
M4 x 12 ----12mm/0.47" ----14mm/0.55"
M4 x 16 ----16mm/0.63" ----18mm/0.71"
M4 x 20 ----20mm/0.79" ----22mm/0.87"
M4 x 25 ----25mm/0.98" ----27mm/1.07"
M4 x 30 ----30mm/1.18" ----32mm/1.26"
M4 x 35 ----35mm/1.38" ----37mm/1.46"
M4 x 40 ----40mm/1.57" ----42mm/1.65"

[ Package Contains ]
M4 x 6--------25 Pcs
M4 x 8--------25 Pcs
M4 x 10-------25 Pcs
M4 x 12-------25 Pcs
M4 x 16-------25 Pcs

M4 x 20-------20 Pcs
M4 x 25-------20 Pcs
M4 x 30-------20 Pcs
M4 x 35-------20 Pcs
M4 x 40-------20 Pcs
M4 Hex Nuts-------225 Pcs
Hex Key -------1 Pcs
Total: 451 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 screws are similar to standard pan head screws, but have a curved top