نوع:N - عادي بمقطع مربع؛ T - ثقيل بمقطع مربع؛ OT - ثقيل جداً بمقطع مربع.
الوصف
Spring washers for bolts, screws and studs with thread diameter from 6 to 30 mm. They are used in construction, mechanical engineering as conciliating elements of connection.