iexcell 100 Pcs M3 x 30/35/40/45/50 Stainless Steel 304 Hex Socket Head Cap Screws Bolts Assortment Kit

• ✔ Includes 100 Pcs, 5 Sizes, M3 Hex Socket Head Cap Screws: M3 x 30, M3 x 35, M3 x 40, M3 x 45, M3 x 50; Thread Length from 30 mm to 50 mm, Thread Size ( Diameter ): 3 mm, Thread pitch: 0.5 mm
• ✔ Material of Screws: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions
• ✔ 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 And Anti-rust
• ✔ Package: All These Screws and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily

✔ Meets/Exceeds: DIN 912 ✔ Screw head style: socket cap, head diameter: 5.5 mm, head height: 3 mm ✔ Screw drive system: internal hex drives, also known as hex socket drives, hex size: 2.5 mm ✔ M3 x 30 means : metric screws, thread diameter size 3 mm, thread length 30 mm [ Sizes ]----[ Thread Length ]----[ Total Length ] M3 x 30-----30mm/1.18"-------33mm/1.30" M3 x 35-----35mm/1.38"-------38mm/1.50" M3 x 40-----40mm/1.57"-------43mm/1.69" M3 x 45-----45mm/1.77"-------48mm/1.89" M3 x 50-----50mm/1.97"-------53mm/2.09" [ Package Contains ] M3 x 30-----20 Pcs M3 x 35-----20 Pcs M3 x 40-----20 Pcs M3 x 45-----20 Pcs M3 x 50-----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 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