Specifications:
Screw Size: M4 (0.03 inch (0.7 mm) pitch)
Screw length: 1.18 in (30 mm)
Head Diameter: 0.55 inches (14 mm)
Total length: 1.65 inches (42 mm)
Material: Carbon steel, plastic
Finish: Zinc Plated
Color: Black.
Package Includes: 4 x M4 Nules Thumbscrews 4 x M4 Nuts 4 x M4 Washers
Description: Zinc plated carbon steel screw on nuled thumb screws ensure durability, strength, functionality and abrasion resistance. Washers and nuts are made of iron with high hardness and galvanized surface which greatly improves rust and corrosion resistance. Solid metal screws ensure a secure connection of parts and are suitable for a variety of applications.
The textured surface improves grip and makes it easier to tighten and loosen the knob. Screws are neat, the force is even, deep, non-slip and burr-free.
A safe and secure thumb screw is ideal for adjusting and tightening control. Durable plastic clamping knobs provide a smooth, beautiful surface and comfortable grip.
A bolt with knobs that is commonly used in applications where frequent adjustments and tightening are required. Widely used in lathes, drill press, cutting machines, packaging machines, woodworking machinery, printing machines, instruments and industrial equipment, and fixtures etc.
Be sure to tighten the knobs tightly to avoid movement of the fixed assembly. Too much tightening of knobs may damage or wear out the screws in the joining assembly. Replace knobs as needed.