iexcell 150 Pcs M5 x 40/45/50/55/60 Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit;

✔ Meets/exceeds: ISO7380
✔ Screw head style: button; screw drive style: hex socket drives, known as internal drives
✔ Stainless steel 304 , high strength and anti-corrosion in various environments
✔ These screws comes in an easy-use separated girds storage box

Item------------------Thread Length---------Total Length
M5 x 40mm-----------40mm/1.57"------------42.6mm/1.68"
M5 x 45mm-----------45mm/1.77"------------47.6mm/1.87"
M5 x 50mm-----------50mm/1.97"------------52.6mm/2.07"
M5 x 55mm-----------55mm/2.17"------------57.6mm/2.27"
M5 x 60mm-----------60mm/2.37"------------62.6mm/2.46"

Package Contains:
M5 x 40mm-------10 Pcs
M5 x 45mm-------10 Pcs
M5 x 50mm-------10 Pcs
M5 x 55mm-------10 Pcs
M5 x 60mm-------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 Button Head
Button head screws are similar to standard pan head screws but have a curved top.