28-31.5mm Disc Springs Washer Conical Heavy Duty Dish Gasket 60Si2 MnA 50CrVa Material Quenching Treatment Cone DIN2093 60Si2 MnA:31.5*16.3*1.75 ( 65pcs) Thread sizes #4 to #10"

Thread sizes #4 to #10" and M3 to M5

4mm) Blind Threaded  Standoffs Self Clinching Standoff 304 Stainless Steel Hex Blind Hole Pressure Riveting Stud Column Pressures Nut Bottom Holes

Wholesale & Retali 80-100mm Conical Dish Gasket Heavy Duty Disc Spring Washer 60Si2 MnA Material Spring Washers Quenching Treatment DIN 2093 A/B/C Type

5M3-24 BSOS-3

5M3-23 SOS-3

28-31.5mm Disc Springs Washer Conical Heavy Duty Dish Gasket 60Si2 MnA 50CrVa Material Quenching Treatment Cone DIN2093 60Si2 MnA:31.5*16.3*1.75 ( 65pcs) Thread sizes #4 to #10"Wholesale & Retali 28 31. 5mm Conical Dish Gasket Heavy Duty Disc Spring Washer 60Si2 MnA Material Spring Washers Quenching Treatment DIN 2093 A B C Type