Round Coupling Nuts M3 M4 M5 ~M20 304 Stainless Threaded Rod Round Coupling Nuts

M3~M20 Female Threaded Round Coupling Nuts. M4 8 10 M6 10 10 M8 12 40 M12 18 30. M4 8 15 M6 10 15 M10 16 20 M12 18 40. M3 6 5 M5 10 8 M8 12 30 M12 18 25. 304 stainless steel coupling nuts have good chemical resistance.

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