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SIZE Internal thread diameter 38 inch, star shaped head diameter 1.52 inch 38.7mm, Total height 0.66 inches 16.7mm, Suitable for 38 16 rod.MATERIAL Screw On Type Knob uses highquality nylon to make star shaped handles, and galvanized carbon steel to make threads. It is beautiful and antiaging, and its hardness ensures that the threads remain sharp and functional over time, preventing problems such as peeling or cross threads.EASY TO USE The star knob utilizes a star shaped handle design, making the nut easier to grip, tighten, and disassemble, and can be used by hand without the need for a wrench.THROUGHHOLE DESIGN Through hole nuts allow bolts or screws to pass through the nut, and screws that are too long can also be tightened, making it easier to adjust the length of use.WIDELY USED The plastic knobs fit for TTrack, routing jig, drill press, lathe, fixture, electronics, milling fixtures, printing equipment, furniture, packaging, woodworking machinery and other places where screws need to be fixed. MORE DETAILS asin B0F656LN1G bestsellersrank 15,383 in Industrial Scientific See Top 100 in Industrial Scientific 4 in Star Knobs brand ZSUCUN color Black compatiblegroovediameter 0.38 inches customerreviews 4.6 4.6 out of 5 stars 94 4.6 out of 5 stars exteriorfinish Painted fastenertype Star finishtypes NylonPlasticCoated graderating Commercial includedcomponents Installation Hardware insidethreadsize 38 itemdiameter 0.38 inches itemhighlight Clamping Knobs Plastic Black Threaded Nuts for Umbrella Base T Track Bolts Jig Mechanical Equipment manufacturer ZSUCUN model ZS202504242 numberofitems 4 numberofpieces 4 outsidediameter 1.52 inches screwheadstyle Star setname 4Piece Star Knob Set sizename 3816 threadclass Class 2A threadsize 38 threadstyle 3816 UNF Internal threadtype Unified National Coarse Unc unitcount 4 Count
