Qualfast M12 Type-DD NF Internal/External Serrated Lock Washer- you get 5

M12 Type-DD NF Internal/External Serrated Lock Washer. NF: E25-536. Leading Standard: NF E27-626. Spindle Nose & Workholding. Material: Spring Steel. MFR Part No.: 37580.120.001. Storage & Handling. d1: 12.3min.

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