Home Industrial & Scientific Fasteners Screws Daptemn 1663Pcs Metric Hex Flat Socket and Button Socket Head Cap Screws M2 M4 Bolts and Nuts Kit, 10.9 Grade Carbon Steel Alloy Black M2 M4 Screw Bolts Washer Lock Nuts Wrenches (Length: 8mm-20mm)

Daptemn 1663Pcs Metric Hex Flat Socket and Button Socket Head Cap Screws M2 M4 Bolts and Nuts Kit, 10.9 Grade Carbon Steel Alloy Black M2 M4 Screw Bolts Washer Lock Nuts Wrenches (Length: 8mm-20mm)

Size	8mm, 12mm,16mm, 20mm
Color	black
Material	Carbon Steel
Brand	Daptemn
Item Dimensions LxWxH	7.48 x 5.11 x 0.86 inches

ASSORTED MACHINE SCREWS: Daptemn metric hexagonal bolts have two different heads, one for flat head bolts and one for button bolts, containing bolts, nuts, flat washers, lock and hexagonal wrenches, 1663 pieces in total. M2 M4 Screw is suitable for a wide range of small bolt replacements, compatible with a wide range of power tools, electronics, household appliances, locks, lamps, and hand tools for versatility, to meet your various DIY and repair needs.
BOLTS SIZE: Hex socket flat head and button M2*8mm 30 pcs each, M2*12mm 30 pcs each, M2*16mm 30 pcs each, M2*20mm 30pcs each; M4*8mm 20 pcs each, M4*12mm 20 pcs each, M4*16mm 20 pcs each, M4*20mm 20 pcs each. The thread pitch of M2 hexagonal bolts is 0.4mm, and the thread pitch of M4 hexagonal bolts is 0.8mm. (There may be a small amount of error, mind the person who cautiously shoot!)
HIGH-QUALITY MATERIALS: Hex screws are made of high-strength, high-quality carbon steel of grade 10.9, which plays the role of anti-corrosion and rust, the cup head of the bolt is smooth and flat without burrs, the installation process is not easy to slip the head phenomenon, saving time for you quickly.
EASY TO SORT AND STORE: Black bolts kit comes in a convenient case that organizes screws by size, making it easy to find what you need quickly.and for very small sizes such as M2, additionally packaged in a small bag. Whether you're a professional or a beginner, this screw assortment kit is good for all kinds of DIY projects and repairs.
AFTER SALE: If there is a quality question, please feel free to contact us, I will do my best to solve your problem as soon as possible, until you are satisfied.