✔ These screws meet/exceed: DIN 912
✔ Screw Head Style: Socket Cap; Screw Drive Style: Internal Hex, Known as Hex-socket Drives
✔ Thread Diameter 3mm/0.12"; Thread Pitch : 0.5mm( 50.8 Threads Per In...

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✔ These screws meet/exceed: DIN 912
✔ Screw Head Style: Socket Cap; Screw Drive Style: Internal Hex, Known as Hex-socket Drives
✔ Thread Diameter 3mm/0.12"; Thread Pitch : 0.5mm( 50.8 Threads Per Inch); Head Diameter 5.5mm/0.22"; Head Height : 3mm/0.12"
✔ Material of Screws: Alloy Steel, Black Oxide Finish, DIN912-12.9 Grade, Minimum Tensile Strength : 176,900 psi
✔ Easy to store: these screws come in an easy-use separated girds storage case

***Specification***
----Item-----------------------Head Dia.------------Head Height----------Thread Length------------Total Length
M3 x 6mm-------------------5.5mm/0.22"----------3mm/0.12"--------------6mm/0.24"-------------9mm/0.35"
M3 x 8mm-------------------5.5mm/0.22"----------3mm/0.12"--------------8mm/0.31"-------------11mm/0.43"
M3 x 10mm------------------5.5mm/0.22"----------3mm/0.12"-------------10mm/0.39"-------------13mm/0.51"
M3 x 12mm------------------5.5mm/0.22"----------3mm/0.12"-------------12mm/0.47"-------------15mm/0.59"

***Package Quantity***
M3 x 6mm-------------------25 Pcs
M3 x 8mm-------------------25 Pcs
M3 x 10mm------------------25 Pcs
M3 x 12mm------------------25 Pcs
Total ------------------------100 Pcs

***About Internal Hex Drive***
Internal hex drives, also known as hex-socket drives, are similar to hex drives, but 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, 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.


  • ✔ Includes 125 Pcs, 5 Sizes, M3 Hex Socket Head Cap Screws, Thread Size ( Diameter) 3 mm, Thread Pitch 0.5 mm, Thread Length From 4 mm to 12 mm: M3 x 4, M3 x 6, M3 x 8, M3 x 10, M3 x 12
  • ✔ 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: 2.5 mm, to Drive These Screws Conveniently and Easily
  • ✔ Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
  • ✔ Package: 125 Pcs M3 Hex Socket Head Cap Screws and 1 Pcs Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily

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