These ball nut knobs uses a U.S. Standard 1/4"-20 UNC thread. Suitable for photographic equipment, hardware connection projects, Furniture decoration, construction projects, mechanical parts, industrial manufacturing, and other DIY projects. Specification:Material: Carbon SteelType: Half Tooth Blind HoleFemale Size: 1/4"-20UNCBall Diameter: 17.4mm / 0.7 inchPackage Content: 4 x Ball Nuts KnobAdvantages:These ball nut knobs are made of metal with a smooth surface and are hard and not easy to deform. They are wear-resistant, corrosion-resistant, rust-resistant, durable, and can withstand huge impact forces.These ball nut knobs have clear and accurate threads and uniform force, ensuring firm tightening and higher stability. It can ensure reliable performance and long service life in various industrial applications.
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