A large diameter washer ideal for spreading the clamping load, reducing a hole diameter and packing out. Sometimes known as a ‘mudguard’ washer. Corrosion Rating1 - Clean, dry & low humidity environments. DIN Standard DIN 9054. Finish Zinc & Clear Cr3. Hole Dia. mm M6. Material Carbon Steel. Outer Dia. mm 40.0. Pack Dimensions L x W x H mm 78 x 64 x 56. Pack Weight kg 1.440. Product Code WP640Z. Size x Outer Dia. mm M6 x 40. Thickness mm 1.5. Washer Type Penny / Repair. Please Note: Due to geographical locations we are unable to deliver to Highlands.