All Categories
✔ 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 16 ---------16mm/0.63" ---------18mm/0.71" M4 x 18 ---------18mm/0.71" ---------20mm/0.79" M4 x 20 ---------20mm/0.79" ---------22mm/0.87" M4 x 25 ---------25mm/0.98" ---------27mm/1.06" M4 x 30 ---------30mm/1.18" ---------32mm/1.26" Package Contains: M4 x 16 ---------20 Pcs M4 x 18 ---------20 Pcs M4 x 20 ---------20 Pcs M4 x 25 ---------20 Pcs M4 x 30 ---------20 Pcs Hex Key---1 Pcs Total: 101 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