Are you tired of struggling with tiny, slippery tools just to make minor adjustments to your equipment? The Cididu 100-Piece 4mm Knurled Thumbscrew Set offers a superior solution for anyone who values efficiency and ease in their projects. Designed for quick replacements and frequent adjustments, these screws eliminate the need for additional tools, saving you valuable time and effort.

Constructed from high-quality carbon steel with a durable plastic head, these 4mm knurled thumbscrews are built to last. They offer excellent wear and rust resistance, ensuring long-term reliability in woodworking, machinery, instrumentation, and computer assembly tasks. The knurled texture provides a secure grip, allowing for precise tightening control without slipping. With a generous quantity of 100 pieces, you will always have spares on hand for daily needs or large-scale projects.

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  • Sufficient Quantity: You will receive 100 pieces of threaded knurled thumbscrews to install where you need them, this quantity ensures that you have enough screws for multiple projects and their daily needs. Carbon steel threaded thumbscrew are versatile choices for different needs.
  • Screw Size: The thread diameter is 4 mm, length is 10 mm, head diameter is 14 mm, total length is 21 mm. This is a common size for most machinery and equipment. It is recommended that you install a washer cushion to prevent direct contact when mounting certain displays.
  • Easy to Install and Remove: Easy to install and remove without any tools, you can simply screw the round clamping screw into the threaded holes to save time and effort. The thumb screws provide a safe and firm clamping action, and the tightening control can be adjusted at any time. Ideal for applications requiring frequent adjustments or tightening.
  • Strong Material: Cididu bolt knob is made of carbon steel material, sturdy and compact, wear-resistant and rust-resistant, durable. The top round hand screw head is made of high quality plastic, smooth and burr-free overall. The threaded part is complete and clear, with even pressure distribution.
  • Widely Used: 4mm thumb screw are suitable for a variety of occasions and applications, such as woodworking, machinery, instrumentation and even computer and other equipment assembly, which can meet different needs. Note: check the size before purchase to make sure it is suitable for your mechanical equipment.

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