iExcell 50 Pcs M5 x 8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish;

✔ Meets/Exceeds: DIN 912
✔ 12.9 alloy steel,black oxide finish, hardness: HRC 39-44, tensile strength: 1220N/mm²
✔ Screw head: socket cap, screw drives: hex socket, known as hex internal drives
✔ The screws come in an easy-use separated girds storage box
Item---------Thread Length------Total Length
M5 x10mm-----10mm------------15mm
M5 x12mm-----12mm------------17mm
M5 x14mm-----14mm------------19mm
M5 x16mm-----16mm------------21mm
M5 x20mm-----20mm------------25mm
Package Contains:
M5 x10mm------10 Pcs
M5 x12mm------10 Pcs
M5 x14mm------10 Pcs
M5 x16mm------10 Pcs
M5 x20mm------10 Pcs
Total: 50 Pcs
About Hex Socket Drives:
Hex socket hex 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 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