Feature

●? Includes 50 Pcs, 5 Sizes, M4 Hex Socket Head Cap Screws, Thread Size ( Diameter) 4 mm, Thread Pitch 0.7 mm, Thread Length From 30 mm to 50 mm: M4 x 30, M4 x 35, M4 x 40, M4 x 45, M4 x 50
●? Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws : 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mm²
●? Includes 1 Pcs Hex Key, Hex Size: 3.0 mm, to Drive These Screws Conveniently and Easily
●? Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
●? Package: 50 Pcs M4 Hex Socket Head Cap Screws and 1 Pcs Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily

[M2 x 4 & 6 & 8 & 10 & 12]

[M4 x 30 & 35 & 40 & 45 & 50]

[M3 x 20 & 25 & 30 & 35 & 40]

[M4 x 20 & 25 & 30 & 35 & 40 (Nuts Included)]

[M5 x 8 & 10 & 12 & 16 & 20]

[M3 x 30 & 35 & 40 & 45 & 50 (Nuts Included)]

[M5 x 40 & 45 & 50 & 55 & 60]

[M6 x 8 & 10 & 12 & 16 & 20]

[M4 x 10 & 12 & 14 & 16 & 20]

[M4 x 6 & 8 & 10 & 12 & 14]

[M3 x 6 & 8 & 10 & 12 & 16]

[M5 x 25 & 30 & 35 & 40 & 45]

[M8 x 30 & 35 & 40 & 45 & 50]

[M4 x 25 & 30 & 35 & 40 & 45]

[M4 x 20 & 25 & 30 & 35 & 40]

[M5 x 60 & 65 & 70 & 75 & 80]

[M3 x 25 & 30 & 35 & 40 & 45]

[M4 x 8 & 10 & 12 & 14 & 16]

[M8 x 40 & 45 & 50 & 55 & 60]

[M3 x 30 & 35 & 40 & 45 & 50]

Description

? Meets/exceeds: DIN 912
? Screw Head Style: Socket Cap, Head Diameter 7.2 mm, Head Height 4.0 mm; Screw Drive Style: Internal Hex Drives, Known as Hex Socket Drives, Hex Size: 3.0 mm
? Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws: 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mm²
? Material of hex key: chrome-vanadium steel, nickel plated, higher strength and anti-rust
? Rust proof of screws: black oxide finish with anti-rust oil
? Easy to store: these screws and hex key come in an easy-use storage case

[ Sizes ]-----[ Thread Length ]-----[ Total Length ]
M4 x 30 ------ 30 mm/1.18"------- 34 mm/1.34"
M4 x 35 ------ 35 mm/1.38"------- 39 mm/1.54"
M4 x 40 ------ 40 mm/1.57"------- 44 mm/1.73"
M4 x 45 ------ 45 mm/1.77"------- 49 mm/1.93"
M4 x 50 ------ 50 mm/1.97"------- 54 mm/2.13"

[ Package Contains ]
M4 x 30------10 Pcs
M4 x 35------10 Pcs
M4 x 40------10 Pcs
M4 x 45------10 Pcs
M4 x 50------10 Pcs
Hex Key -----1Pcs

[ 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 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