uxcell 4Pcs Clamping Screw Knob, M4 x 40mm Metric Carbon Steel t Shaped Thumb Screws Handle for Quick Remove Hand Tightening Knob Replacement

Product Description

[Product Dimension] - Thread Size: M4 x 40mm/M4 x 1.57(D*L); Thread Pitch: 0.7mm/0.03-inch; Head Dia: 27mm/1.06-inch; Total Height: 52mm/2.05-inch. Please refer to the product parameters according to the usage scenario to adapt the required thread dia and length. [Material] - The wing handle screw is made of carbon steel, while the knob is made of plastic, which is rust-proof, corrosion-resistant and oxidation resistant, durable and hard to break and deform, which prolongs the service life of the product. [Knob Design] - The thumb screw knob is a T-shaped ergonomically designed, which provides a comfortable grip and anti-slip effect. convenient to use and operate. Adequate finger grip spaci…