25Pcs M4 x 20mm Threaded Knurled Thumb Screws, Round Head Knobs for Clamping and Adjustments, Machinery, Equipment, DIY Projects
Product details
| Management number | 250220882 | Release Date | 2026/09/17 | List Price | US$3.04 | Model Number | 250220882 | ||
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| Category | |||||||||
Product Description: Features: These threaded thumb screws feature a knurled surface for improved grip and precision threading, ensuring secure and stable fastening. The round plastic head provides a smooth, ergonomic grip, allowing for effortless tightening and adjustments during frequent use. Ideal for clamping, fastening, and adjustments in machinery, tools, equipment, and DIY projects, meeting both professional and hobbyist needs. Designed for convenience, these thumb screws allow for easy, tool-free installation and quick adjustments, saving time on repetitive tasks. Product Specifications: Material: Carbon Steel, Plastic Color: Black Size: Thread Size: M4, thread length: 20mm/0.79inch Package contains: 25Pcs M4 x 20mm Threaded Knurled Thumb Screws NOTE: Please allow 1-2mm difference between actual and manual due to manual measurement. The color you actually see may be slightly different due to different displays.
- Package Including: You will receive 25Pcs M4 x 20mm Threaded Knurled Thumb Screws. Knurled clamping knobs size: Thread Size: M4, thread length: 20mm/0.79inch; head diameter: 14mm/0.55inch, total length: 31mm/1.22inch.
- High-quality Threaded Knurled Design: These thumb screws feature a knurled surface for a firm grip and precision threading, ensuring reliable and secure fastening for clamping and adjustments in various applications.
- Ergonomic Round Plastic Head: The black round head is crafted from premium plastic, offering a comfortable grip and smooth handling, ideal for frequent use in machinery and DIY projects.
- Rust-Free and Long-Lasting Performance: Engineered for durability, these thumb screws resist wear and tear, providing consistent performance in industrial, equipment, and home use without rusting issues.
- Easy to Install and Adjust: These hand knobs offer tool-free installation and quick adjustments, making them perfect for situations requiring frequent re-tightening or repositioning.
| ASIN | B0FN71J8N9 |
|---|---|
| Brand | Virello |
| Color | Black |
| Set Name | Virello 25Pcs M4 x 20mm Knurled Thumb Screw Set |
| Head Type | Round |
| Size Name | M4 x 20mm |
| Metal Type | Carbon Steel |
| Unit Count | 1 Count |
| Part Number | S0066 |
| Thread Size | M4 |
| Thread Type | Metric |
| Drive System | Thumb |
| Manufacturer | Virello |
| Thread Class | standard |
| Fastener Size | M4 x 20mm |
| Fastener Type | Machine Screw |
| Item Diameter | 14 millimeters |
| Material Type | Carbon Steel, Plastic |
| Number Of Items | 25 |
| Thread Coverage | Fully Threaded |
| Number of Pieces | 25 |
| Outside Diameter | 14 millimeters |
| Screw Head Style | Round |
| Set Screw Thread Type | M |
| Compatible Groove Diameter | 4 millimeters |
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