A knurled nut is a nut with a knurled outside surface. This facilitates tightening by hand (thumb nut) or secures the nut into a handle or cover.A 18-8 Stainless Steel knurled nut, or thumb nut, is a nut with a knurled outside surface, rather than hex. 

Advantages and Services

Various hardware types and materials for selection.

Customized special hardware and sizes are welcomed.

Technical service and consultation are supported.

Advanced production equipment and production technology

Competitive price (factory direct price) with professional service.

Strict quality inspection for both materials and finished products.

Focus on every details throughout service, production, packing and shipment.

Extensive sales network with exporting to more than 30 countries.

Parameters 

Application

Knurled nuts are commonly used in any application where the fasteners will be removed regularly but not needed for structural support. They can commonly be found on electrical panel covers, precision measuring tools, squares, and service covers. The advantages of using a knurled fastener in this situation are: it improves the ease of removal, deters the possibly over-tightening/stripping, and does not require any tools to manipulate the fastener. However, there are knurled nuts available that have a slot cut into them for the use of a Phillips head screwdriver. This expands the versatility of the nut and provides the option to use tools. Nuts with the Phillips slot are common in applications where vibration is a concern.

Most thumbscrews are made from stainless steel, which adds to their durability, and lasting performance. These screws derive their anti-corrosion properties from its material – stainless steel. The thumb screws are popularly used on:

Safety covers for electronic gadgets

Battery covers of small electronic devices

High vibration Boats

Off-road vehicles

High stress, corrosive, and outdoor applications

Aerospace Applications

Features

Easy to Hold: 

The large heads provide easy grip and this helps in loosening or tightening applications. This is the reason why thumbscrews are used in restructuring projects or applications that require regular maintenance. In short, these screws are not built for structure application projects.

Remains Fixed: 

Mostly these screws are fixed in place using a washer. The washer helps hold a screw even if a bolt is loosened. Hence, thumbscrews are becoming a choice for outdoor applications where they may endure daily abuse.

Helps Save Time, Effort and Money: These screws can be easily removed or fitted as per the requirement. This helps engineers to save time on repairs and maintenance. Also, they can save on their efforts. These screws allow them to conduct quick fixes or repairs. This definitely helps to save money and increase productivity.

Durable Construction: 

Most knurled thumbscrews are made from steel or metal alloys such as brass, which improves their strength, as well as aesthetic appeal.

Impact Resistant: 

These screws can be provided with custom design features such as special drives, thread, thread length, head diameters and, knurl design. These designs help improve the impact resistance of these screws. Hence, knurled thumb screws are preferred in applications that are subjected to vibrations.

Although knurled thumbscrews can be easily removed or managed manually, they can be tightened using pliers, too. This type of tightening provides efficient torque.