M4x20mm Thread Carbon Steel Knurled Round Head Thumb Screws 24mm Total Length 10pcs

Key Features

• Head Style Round Knurled Head; Material Carbon Steel; Package Content 10pcs x Knurled Thumb Screw
• Product Name Knurled Thumb Screw; Thread Size M4 x 20mm/ 0.16" x 0.8" (D*L)
• Weight 50g; Main Color Silver Blue
• Thread Pitch 0.7mm; Total Length 24mm/0.94"
• Thread Style Fully Thread; Knurled Head Diameter 12mm/ 0.47"

Product Description

M4x20mm Round thumb screw with flat knurled head style.Knurled head provides extra grip for manual tightening. Usually found on thumb screws, a knurled surface on the head gives a better gripping surface, making it easier to tighten or loosen fasteners manually. Thumb screws are designed to be tightened and loosened by hand. Tools not necessary for tightening or looseningKnurled Thumb Screws are installed with your fingers and are used to hold light covers in place and other ornamental products.