Ostart Flat Stainless Steel Washers M3 M4 M5 M6 M8 M10 for Screws Repair Kit Tool (100, M3)
The form A flat washer is the most popular washer used in assembly & construction.
d1 = internal diameter M3=3.2mm, M4=4.3mm, M5=5.3mm, M6=6.4mm, M8=8.4mm, M10=10.5mm, M12=13mm, M14=15mm, M16=17mm, M18=19mm, M20=21mm
d2 = outer diameter M3=7mm, M4=9.0mm, M5=10.0mm, M6=12.0mm, M8=16.0mm, M10=20mm, M12=24mm, M14=28mm, M16=30mm, M18=34mm, M20=37mm
t = thickness M3=0.5mm, M4=0.8mm, M5=1.0mm, M6=1.6mm, M8=1.6mm, M10=2.0mm, M12=2.5mm, M14=2.5mm, M16=2.5mm, M18=3.0mm, M20=3.0mm.
