Feature:
The flat washer provides a bearing surface for fastener load distribution or is used as a spacer between components.
Intended for general use under the head of a bolt or nut in order to provide a smooth-bearing surface.

Product Name 1:
Drive Type: Hex Socket
Head Style: Socket Button Head
Material: 10.9 Alloy Steel
Main Color: Black
Thread Size: M3x6mm/0.12"x0.24"(D*L)
Thread Pitch: 0.5mm
Total Length: 7mm/0.28"
Head Diameter: 5.5mm/0.22"
Hex Socket Width: 2mm/0.08"
Head Height(Approx): 1mm/0.04"

Product Name 2: Flat Washer
Material: Iron
Thickness: 0.5mm / 0.02"
Inner Diameter: 3mm / 0.12"
Outer Diameter: 7mm / 0.28"
Standard: M3
Color: Black
Coating: Black Zinc Plated

Package Content: 100(+/-2%)pcs x Button Head Screws; 300(+/-2%)PCS x Flat Washer