ITEM NAME:M2.5x6mmx0.5mm Stainless Steel Round Flat Washer for Bolt Screw 100Pcs M9P4 M2.5x6mmx0.5mm Stainless Steel Round Flat Washer for Bolt Screw 100Pcs M9P4 2.5mm inner diameter, 6mm outer diameter, 0.5mm thickness. Metric flat washers, for use with M2.5 bolts. Corrosion Resistant w/ Reduce Galling. Application: Wildly used in chemical industry, bicycle or motor vehicle production. Product Name: Flat Washer Material: Stainless Steel Main Color: Silver Tone Inner Dia: 2.5mm/0.1" Outer Dia: 6mm/0.24" Thickness: 0.5mm/0.02" Weight: 20g Package Content: 100(+/-2%) x Flat Washer Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Material: Stainless Steel. Main Color: Silver Tone. Application: Wildly used in chemical industry, bicycle or motor vehicle production. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.