M4 Knobs: Thread size: M4 (0.7mm pitch); thread length: 10mm / 0.39", 20mm / 0.79", 30mm / 1.18"; head diameter: 14mm / 0.55"M5 Knobs: Thread size: M5 (0.8mm pitch); thread length: 12mm / 0.47", 20mm / 0.79", 30mm / 1.18"; head diameter: 22mm / 0.87"M6 Knobs: Thread size: M6 (1mm pitch); thread length: 16mm / 0.63", 20mm / 0.79", 30mm / 1.18"; head diameter: 22mm / 0.87"Quantity: 48pcs Knurled Clamping Knobs (8pcs M4 x 10mm, 6pcs M4 x 20mm, 4pcs M4 x 30mm, 8pcs M5 x 12mm, 6pcs M5 x 20mm, 4pcs M5 x 30mm, 4pcs M6 x 16mm, 4pcs M6 x 20mm, 4pcs M6 x 30mm)Descriptions: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.Zinc plated carbon steel threaded stud enhances the durability, making it resistant to wear, corrosion and rust, providing reliable performance in various environments. The tightly-in metal insert ensures optimal durability and functionality, easy to install.Hand stud knobs with thermoset plastic knobs provide comfortable hand grip. The clamping knob is tight, sturdy and durable, with a smooth and beautiful surface. Screw on type design for easy install.Widely used for saw, drill press, lathe and routing jigs, fixtures, packaging machinery, printing equipment, woodworking machinery and equipment. Great replacement for your broken one with this Knurled Knob.Always tighten the knurled knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary.
