? Meets/Exceeds: ISO7380
? Material of Screws: 10.9 grade alloy steel, Hardness: HRC 32-39
? Rust proof of screws: black oxide finish and anti-rust oil covering for indoor use. In outdoor condition, Rain will destory black oxide finish
? 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 ]
M6 x 8 ----------8mm/0.31"-----------11.2mm/0.44"
M6 x 10 --------10mm/0.39"----------13.2mm/0.52"
M6 x 12 --------12mm/0.47"----------15.2mm/0.60"
M6 x 16 --------16mm/0.63"----------19.2mm/0.76"
M6 x 20 --------20mm/0.79"----------23.2mm/0.92"
[ Package Contains ]
M6 x 8--------10 Pcs
M6 x 10-------10 Pcs
M6 x 12-------10 Pcs
M6 x 16-------10 Pcs
M6 x 20-------10 Pcs
Hex Key-------1 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 Button Head ]
Button head is similar to standard pan head but have a curved top