The overall surface of Nut is smooth without burrs, and is sturdy and durable with high-quality workmanship.

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Clear and sharp threads for even force distribution, significantly avoid slipping or deformation.

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Material: 304 stainless steel, strength grade 4.8.

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Across Flats: 7mm; Thread Pitch: 0.7mm; Thickness: 3.1mm; Diameter: M4