Foyoram M3 - M16 T2 Pure Copper Hexagonal Screw bolt, nut washer, conductive red copper conductive bolt (M4 4sets, 30mm)

• 1. Material: T2 Red copper
• 2. Size: mm. Please refer to the attached figure for detailed dimensions of the product
• M3 head thickness 2.2-1.9 hexagonal opposite side 5.5-5.25
• M4 head thickness 3.0-2.8 hexagonal opposite side 7.0-6.65
• M5 head thickness 3.74-3.26 hexagonal opposite side 8.0-7.85
• M6 head thickness 4.24-3.76 hexagonal across flats 10.0-9.65
• M8 head thickness 5.54-5.26 hexagonal opposite side 13.0-12.77
• M10 head thickness 6.69-6.38 hexagonal across flats 17.0-16.72
• M12 head thickness 7.79-7.41 hexagonal opposite side 19.0-18.58
• M14 head thickness 9.09-8.51 hexagonal opposite side 22.0-21.16 M16 head thickness10.29-9.71 hexagonal opposite side 24-23.16

1. Standard hexagonal, easy to use, increases work efficiency. 2. Deep thread, uniform pitch, stable force, and good tightening force. 3. The surface is flat and smooth without burrs, with high-quality workmanship and quality assurance.