Product: iExcell 50 Pcs M4 x 40/45/50/55/65mm Stainless Steel 304 Hex Socket Head Cap Screws Bolts Assortment Kit
Brand: iexcell
✔Meets/Exceeds: DIN 912, DIN934
 ✔Material of Screws: Stainless steel 304, high strength and anti-corrosion in various environments
 ✔Material of Hex Key: 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 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"
 M4 x 55mm-------55mm/2.17"----------59mm/2.32"
 M4 x 65mm-------65mm/2.57"----------69mm/2.72"

 Package Contains:
 M4 x 40mm-------10 Pcs
 M4 x 45mm-------10 Pcs
 M4 x 50mm-------10 Pcs
 M4 x 55mm-------10 Pcs
 M4 x 65mm-------10 Pcs
 Hex Key -------1 Pcs
 Total: 51 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

✔ Screw Head Style: Socket Cap; Screw Drive Style: Hex Socket, Hex Size 3.0 mm
✔ Thread Dia. : 4mm, Thread Pitch: 0.7mm, Head Diameter : 7.20mm/0.28", Head Height : 4.0mm/0.16"
✔ 5 Sizes: M4 x 40mm M4 x 45mm M4 x 50mm M4 x 55mm M4 x 65mm
✔ Includes 1 Pcs Hex Key, Hex Size 3.0 mm, to Drives These Screws Easily
✔ Package Contains: 50 Pcs Hex Socket Head Cap Screws and 1 Pcs Hex Key, Come in an Easy-use Storage Box

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