Product Review

✔ Meets/Exceeds: DIN 912, ISO 4762
✔ 5 Sizes: M4 x 40mm, M4 x 45mm, M4 x 50mm, M4 x 55mm, M4 x 65mm, Fully Threaded
✔ 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
✔ Easy to store : These screws come in an easy-use separated girds storage box

Item--------------Thread Length--------Total Length
M4 x 40mm-------40mm/1.57"----------44mm/1.73"
M4 x 45mm-------45mm/1.77"----------49mm/1.93"
M4 x 50mm-------50mm/1.97"----------54mm/2.13"
M4 x 55mm-------55mm/2.17"----------59mm/2.32"
M4 x 65mm-------65mm/2.57"----------69mm/2.72"

Package Contains:
M4 x 40mm-------10 Pcs
M4 x 45mm-------10 Pcs
M4 x 50mm-------10 Pcs
M4 x 55mm-------10 Pcs
M4 x 65mm-------10 Pcs
Total---------------50 Pcs