Round head decorative buckle, copper hexagonal nut cover cap nut caps blocks M6 bolt cap modesty
product parameters: models: copper cap nut material: copper color classification: M12 【 1 】 M3 M8 M6 2 star 】 【 10 】 【 【 5 】 M10 【 1 】 the M4 [10] [5] M5 type: cover nut product strength: 4.8 role: lock standard type: national standard .