iexcell 50 Pcs M5 x 20/25/30/35/40 Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Assortment Kit;

✔ Meets/Exceeds: ISO 7380
✔ Stainless steel 304, high strength and anti-corrosion in various environments
✔ Screw Head Style: Button ; Screw Drive Style: Internal Hex, known as Hex-socket drives; Fully Threaded
✔ Thread Diameter: 5 mm; Thread Pitch : 0.8 mm; Head Diameter: 9.27mm/ 0.36", Head Height: 2.6 mm /0.10"
✔ These screws come in an easy-use separated girds storage box

***Length Information***
---Item---------------Thread Length------------Total Length
M5 x20mm-----------20mm/0.79"---------------------22.6mm/0.89"
M5 x25mm-----------25mm/0.98"---------------------27.6mm/1.09"
M5 x30mm-----------30mm/1.18"---------------------32.6mm/1.28"
M5 x35mm-----------35mm/1.38"---------------------37.6mm/1.48"
M5 x40mm-----------40mm/1.57"---------------------42.6mm/1.68"

***Package Quantity***
M5 x20mm-----------10Pcs
M5 x25mm-----------10Pcs
M5 x30mm-----------10Pcs
M5 x35mm-----------10Pcs
M5 x40mm-----------10Pcs
Total------------------50Pcs

***About Internal Hex Drives***
Internal hex drives, also known as hex-socket drives, are similar to hex drives, but 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.