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Complete Guide to Knurled Thumbscrews
What are the benefits of using Knurled Thumbscrews?
Knurled Thumbscrews are a popular hand fastening solution across a range of industries due to their versatility. They are easy to install and do not require any tooling; making them ideal for domestic or commercial use.
Knurled Thumbscrews have a machined ridged pattern around the perimiter of the Thumbscrew head. This improves the user's grip when adjusting the Thumbscrew and allows for frequent adjustments to be made.
We stock Knurled Thumbscrews in a range of styles, sizes, materials and threads to suit a variety of projects.
Knurled Thumbscrew Selection Guide
Our range of Knurled Thumbscrews are versatile and can be used for a range of applications; we have outlined some common uses for each style in the below table.
| Thumbscrew Style | Material | Applications |
| Duroplast | Point of sale displays within the retail industry | |
| Nylon | Clamps and Fixing Jigs within the fabrication industry | |
| Nylon | Adjustment of audio and frequency within the Audio and Technology industry | |
| Nylon | Display furniture | |
| Nylon | Adjustment of Tripods within the photography and videography industry | |
| Nylon | Access panels within secure enclosures | |
| Stainless Steel | Medical, Food and Pharmaceutical applications | |
| Stainless Steel | Heavy load applications which may require tooled fastening to achieve a greater torque | |
| Nylon | Adjustment of clamping jigs or worktops/general fastening |
Metal vs Plastic Thumbscrews
Although Metal and plastic Thumbscrews perform the same function, there are some factors to take into consideration when deciding which material to use for your project.
| Material | Temperature Range | Resistant Properties | Flame Rating |
| Nylon | -40°C - 100°C | Resistant to Alkalis, Grease, Fuels and Lubricants | UL 94 HB |
| Duroplast | -30°C - 140°C | Resistant to Oil, Grease, Petrol and Alcohol | UL 94 V-0 |
| Stainless Steel | -196°C - 300°C | Resistant to Alkaline solutions, fresh water and natural atmospheres, Lubricants, Oils and Greases | No Rating (Non-combustible) |
You may also wish to consider superficial factors such as the aesthetic appearance and amount of space that you are working with; some Thumbscrews will require more space than others to function effectively.
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