iExcell 50 Pcs M4 x 20mm/25mm/30mm/35mm/40mm Stainless Steel 304 Hex Socket Flat Head Cap Screws Bolts Assortment Kit
Brand: iexcell

✔ Meets/exceeds: DIN 7991
✔ Screw head style: flat Head, known as countersunk head, countersunk angle: 90 degree
✔ Screw drive style: hex Socket, known as internal hex drives
✔ Material of Screws: Stainless steel 304, high strength and anti-corrosion in various environments
✔ Material of Hex Key: chrome-vanadium steel, nickel plated
✔ Easy to store: these screws come in an easy-use separated girds storage case
[ Sizes ]------------[ Total Length ]
M4 x 20mm-------20mm/0.79"
M4 x 25mm-------25mm/0.98"
M4 x 30mm-------30mm/1.18"
M4 x 35mm-------35mm/1.38"
M4 x 40mm-------40mm/1.57"
[ Package Contains ]
M4 x 20mm-------10 Pcs
M4 x 25mm-------10 Pcs
M4 x 30mm-------10 Pcs
M4 x 35mm-------10 Pcs
M4 x 40mm-------10 Pcs
Hex Key -----1 Pcs
Total : 50 Pcs Screws+1 Pcs Hex Key
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 Flat Head:
Flat head screws are designed to fit flush to the surface when used with countersunk holes.

✔ Screw Head Style: Flat; Screw Drive Style: Hex Socket, Hex Size 2.5 mm
✔ Thread Size(Dia.): 4mm, Thread Pitch :0.7 mm; Head Diameter: 7.8mm/0.31"
✔ 5 Sizes: M4 x 20mm M4 x 25mm M4 x 30mm M4 x 35mm M4 x 40mm
✔ Includes 1 Pcs Hex Key, Hex Size 2.5 mm, to Drives These Screws Easily
✔ Package: 50 Pcs M4 Hex Socket Flat Head Cap Screws and 1 Pcs Hex Key, Come in an Easy-use Separated Girds Storage Case