iexcell 100 Pcs M3 x 30/35/40/45/50 Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Assortment Kit;

✔ Meets/Exceeds: ISO 7380
✔ 5 Sizes: M3 x 30mm M3 x 35mm M3 x 40mm M3 x 45mm M3 x 50mm ✔ Screw Head Style: Button ; Screw Drive Style: Internal Hex, known as Hex-socket drives; Fully Threaded
✔ Thread Size(Dia.): 3mm, Thread Pitch : 0.5 mm,Head Diameter: 5.5mm/ 0.22", Head Height: 1.6 mm/0.06"
✔ Stainless steel 304, high strength and anti-corrosion in various environments
✔ These screws come in an easy-use separated girds storage box

***Specification***
Item-------------------------Head Dia.------------Head Height----------Thread Length--------Total Length
M3 x 30mm------------------5.5mm/0.22"-------1.6mm/0.06"-------------30mm / 1.18"-------------31.6mm
M3 x 35mm------------------5.5mm/0.22"-------1.6mm/0.06"-------------35mm / 1.38"-------------36.6mm
M3 x 40mm------------------5.5mm/0.22"-------1.6mm/0.06"-------------40mm / 1.57"-------------41.6mm
M3 x 45mm------------------5.5mm/0.22"-------1.6mm/0.06"-------------45mm / 1.77"-------------46.6mm
M3 x 50mm------------------5.5mm/0.22"-------1.6mm/0.06"-------------50mm / 1.97"-------------51.6mm

***Package Quantity***
M3 x 30mm------------------20 Pcs
M3 x 35mm------------------20 Pcs
M3 x 40mm------------------20 Pcs
M3 x 45mm------------------20 Pcs
M3 x 50mm------------------20 Pcs
Total-------------------------100 Pcs

***About Internal Hex Drive***
Internal hex drive, 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 are similar to standard pan head but have a curved top.