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Specification:

Thread diameter ：M2 M3 M4 M5

Screw length ：4mm-25mm

Head type：Round head

Colour: Black

Material: carbon steel

Product quantity: 2020pcs

Package included:

40 Pcs -- M2*4

40 Pcs -- M2*6

40 Pcs -- M2*10

40 Pcs -- M2*12

35 Pcs -- M3*6

35 Pcs -- M3*8

35 Pcs -- M3*12

35 Pcs -- M3*16

25 Pcs -- M4*8

25 Pcs -- M4*12

25 Pcs -- M4*16

25 Pcs -- M4*20

15 Pcs -- M5*12

15 Pcs -- M5*16

15 Pcs -- M5*20

15 Pcs -- M5*25

M5 Flat+Lock --70+70Pcs，M4 Flat+Lock --110+110Pcs，M3 Flat+Lock --160+160Pcs ，M2 Flat+Lock --180+180Pcs

M5 Nuts--70Pcs，M4 Nuts--110Pcs，M3 Nuts--160Pcs，M2 Nuts--180Pcs

1 Pcs tweezer

4 Pcs wrenches

• 【Precision and Standardization】The KUGONTC Metric Screw Assortment offers 4 sizes of screws (M2, M3, M4, M5) with thread pitches of 0.4mm/0.5mm/0.7mm/0.8mm and diameters of 2mm/3mm/4mm/5mm. The lengths vary accordingly: M2 (4mm/8mm/12mm/16mm), M3 (6mm/8mm/12mm/16mm), M4 (8mm/12mm/16mm/20mm), M5 (8mm/12mm/16mm/20mm). All screws adhere to the standardized metric system with an average error less than 0.01mm, ensuring high precision for your projects.
• 【Superior Material Quality】Crafted from Grade 10.9 alloy steel, this 2020PCS Metric Bolt Assortment Kit ensures exceptional strength and durability. The precise threads and hex socket button head design provide effortless handling and secure fastening, making these black screws ideal for various applications.
• 【Convenient Storage Solution】All components in the KUGONTC Metric Screw Assortment are meticulously organized in a sturdy, easy-use plastic storage box. This keeps the machine screws, lock washers, flat washers, nuts, and bolts kit neatly arranged and easily accessible, saving you time and effort when searching for specific parts.
• 【Versatile Applications】With its wide range of sizes and types, this screw assortment kit is perfect for numerous DIY projects, automotive repairs, furniture assembly, and more. Having the KUGONTC Metric Bolt Assortment Kit on hand ensures convenience and readiness for any task requiring fasteners.
• 【Reliable Brand Guarantee】KUGONTC specializes in producing high-quality fastener solutions. Our products undergo rigorous testing to ensure reliability and performance. We offer a 12-month after-sales warranty service, so if you encounter any issues or have questions, feel free to contact us for prompt assistance.

Size Name	M2-M5
Item Dimensions	19.5 x 13 x 3.5 centimetres
Item Diameter	5 Millimeters
Screw Head Style	Round
Thread Size	M2-M5
Color	BLACK
Item Shape	Hexagonal
Material Type	Aluminium
Fastener Type	Socket Head
Number Of Items	2240
Part Number	KGA51-56
Model	2020pcs M2-M5
Country Of Origin	China
Included Components	2020PCS Nuts
Size	M2-M5
Colour	BLACK
Material	Aluminium
Item dimensions L x W x H	19.5 x 13 x 3.5 centimetres

3.5 cm x 19.5 cm x 13.0 cm.