Product Review

✔ Stainless steel 304, high strength and anti-corrosion in various environments
✔ Screw head style: socket cap; screw drive style: hex socket, known as internal hex drives
✔ These screws come in an easy-use separated girds storage box

Item---------------Thread Length------------Total Length
M5 x08mm-----------08mm/0.31"------------13mm/0.51"
M5 x10mm-----------10mm/0.39"------------15mm/0.59"
M5 x12mm-----------12mm/0.47"------------17mm/0.67"
M5 x16mm-----------16mm/0.63"------------21mm/0.83"
M5 x20mm-----------20mm/0.79"------------25mm/0.98"

Package Contains:
M5 x 08mm ----------10 Pcs
M5 x 10mm ----------10 Pcs
M5 x 12mm ----------10 Pcs
M5 x 16mm ----------10 Pcs
M5 x 20mm ----------10 Pcs
Total: 50 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 Socket Cap Head
Socket cap head, also known as Allen head, has a recessed drive, and is 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.