iExcell 50 Pcs Stainless Steel 304 M4 x 40/45/50/55/60 Hex Socket Button Head Cap Screws Bolts Assortment Kit

• ✔ 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 Wrench, 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 Wrench, Come in an Easy-use Storage Box

✔  Meets/exceeds: ISO7380 ✔  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 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 Wrench--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