Standard Thread Size: M4 (0.7mm Pitch); Thread Length: 10mm / 0.39"; Knurled Head Diameter: 14mm / 0.55"; Total Height: 21mm / 0.82"
Quality Material: the male thread knurled clamping knobs are made of quality carbon steel, with good hardness, strength, corrosion resistance and wear resistance; It is a fastening accessory that can be applied for a long time and could be reusable for most different purposes
Safe and secure knurled thumb screws for the ultimate in adjusting and tightening control. The screws are neat and clear, the force is even, and it is not easy to slip.
Package Content: 30 Pcs x Knurled Thumb Screws Clamping Knobs.
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