1 Box M3 M4 M5 Hexagon Socket Flat Countersunk Head Screw Pan Head Carbon Steel M3 Hex Socket Bolts Kit Allen Screw Combination Set

Product Description High quality: Made from 10.9 grade carbon steel, finish black-oxide, mildly corrosion resistant in dry environments, these screws are nearly twice as strong as stainless steel button head screws. Length is measured from the top of the head. Application: Widely used in 3D printer components, household, industrial machinery, automobiles, construction, smart equipment; Storage: These screws stored in a transparent plastic box, convenient for your storage and use, each size screw is packed in a small bag to prevent scattered and lost. Pan head hexagon socket M3 X 4 100PCS M3 X 6 80PCS M3 X 8 70PCS M3 X 10 60PCS M3 X 12 50PCS Countersunk hexagon socket M3 X 4 100PCS M3 X 6 80PCS M3 X 8 70PCS M3 X 10 60PCS M3 X 12 50PCS