Product: iExcell 50 Pcs M4 x 40/45/50/55/60 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Assortment Kit
Brand: iexcell
✔  Meets/exceeds: ISO7380
 ✔  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 wrench come in an easy-use separated girds storage box

  [ Sizes ]---[ Thread Length ]-----[ Total Length ]
 M4 x 40mm-----------40mm/1.57"----------42mm/1.65"
 M4 x 45mm-----------45mm/1.77"----------47mm/1.85"
 M4 x 50mm-----------50mm/1.97"----------52mm/2.05"
 M4 x 55mm-----------55mm/2.17"----------57mm/2.24"
 M4 x 60mm-----------60mm/2.36"----------62mm/2.44"

  Package Contains:
 M4 x 40mm-----------10 Pcs
 M4 x 45mm-----------10 Pcs
 M4 x 50mm-----------10 Pcs
 M4 x 55mm-----------10 Pcs
 M4 x 60mm-----------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 Button Head
 Button head screws are similar to standard pan head screws, but have a curved top

✔ Screw Head Style: Button; Screw Drive Style: Hex Socket, Hex Size 2.5 mm
✔ Head Diameter : 7.4mm; Head Height: 2mm; Thread Size( Dia. ):4 mm; Thread Pitch :0.7 mm
✔ 5 Sizes: M4 x 40mm M4 x 45mm M4 x 50mm M4 x 55mm M4 x 60mm, Fully Threaded
✔ Includes 1 Pcs Hex Key , Hex Size 2.5 mm, to Drives These Screws Easily
✔ Package : 50 Pcs M4 Hex Socket Button Head Cap Screws and 1 Pcs Hex Key, Come in an Easy-use Storage Box

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