iExcell 50 Pcs M4 x 30/35/40/45/50mm Stainless Steel 304 Hex Socket Head Cap Screws Bolts Assortment Kit

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About IExcell 50 Pcs M4 X 30/35/40/45/50mm Stainless

✔ Meets/Exceeds: DIN 912, DIN934 ✔ Material of Screws: Stainless steel 304, high strength and anti-corrosion in various environments ✔ Material of Hex Key Wrench: chrome-vanadium steel, nickel plated ✔ Easy to store: these screws and hex Key come in an easy-use storage case [ Sizes ]-----------[ Thread Length ]-------[ Total Length ] M4 x 30mm-------30mm/1.18"----------34mm/1.33" M4 x 35mm-------35mm/1.38"----------39mm/1.53" M4 x 40mm-------40mm/1.57"----------44mm/1.73" M4 x 45mm-------45mm/1.77"----------49mm/1.93" M4 x 50mm-------50mm/1.97"----------54mm/2.13" Package Contains: M4 x 30mm-------10 Pcs M4 x 35mm-------10 Pcs M4 x 40mm-------10 Pcs M4 x 45mm-------10 Pcs M4 x 50mm-------10 Pcs Hex Key -----1 Pcs Total: 51 Pcs About Hex Socket Drives:  Hex Socket drives, also known as Internal Hex 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