Size: M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30. Material: 304 stainless steel. Type: Spring Lock Washer Square Ends B type. We will answer you ASAP and help you resolve your problem. Solve any problems with you in a good way after communication.
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