M6 d. 6.4x18x1.6 PLAIN Washers with outside diameter = 3 x nominal thread diameter DIN 9021 - Killich s.r.o.
DIN 9021 Plain Washer ( D2 = 3 x D1 )
Metric DIN 9021 Flat Fender Washers OD ~3 x dia
DIN 9021 - Plain washer, outer diameter about 3 d
Fender Washers Zinc Plated Steel Grade A, Metric DIN 9021, M4 M5 M6 M8 M10 M12 | eBay
3000pcs) DIN 9021 M6 Washers (6.4mm ID) OD ~ 3 x Screw Dia A2 Stainless Steel Ships Free in USA by Aspen Fasteners: Amazon.com: Industrial & Scientific
Din 9021 M8 M10 M12 Washer F436 Black Oxided Flat Washer 1/2" 3/4" 5/8" - Buy Black Plastic Nylon Plain Washers For Assemble Bolts Nuts Standard Din 125 M6 Black Zinc M6