Thumb Screws 


Thumb Screws

What are Thumb Screws?

Thumb Screws are designed to be easily operated by hand, and are used in a wide range of machine and computer applications. One of the main characteristics of a Thumb Screw is its large head diameter, which is usually knurled - this feature allows these components to be securely tightened without the use of tools. Unlike other low-quality components, AccuGroup's Thumb Screws are manufactured from solid Stainless Steel, giving excellent overall strength.

A large head diameter also allows these screws to be tightened with a greater degree of rotational accuracy, making Thumb Screws ideal for applications where precise tightness must be achieved.

Thumb Screws can be used alongside High Thumb Nuts or Low Thumb Nuts to create a symmetrical fastening which can be hand adjusted from both sides. 

DIN 464 Knurled Thumb Screws

Knurled Thumb Screws manufactured according to DIN 464 feature a knurled diameter, which is designed to enhance grip and aid with installation by hand.

DIN 465 Slotted Thumb Screws

Thumb Screws manufactured according to DIN 465 also feature a knurled head, but feature the addition of a slotted drive for use with a Slotted Screwdriver.

DIN 653 Knurled Thumb Screws

DIN 653 Thumb Screws are similar to DIN 464 Thumb Screws, but are manufactured without a shoulder, which allows the fastener to be fully inserted into a housing.

Materials

Thumb Screws are manufactured from Stainless Steel as standard, with options of Aluminium, Brass, Phosphor Bronze and PEEK available for custom manufacture. Chemical Blackening and Thread Locking Patches are also available on all Stainless Steel components.

Metric

Thumb Screws are available in sizes ranging from M2 to M10, and lengths of between 4.00mm and 40.00mm. Additional sizes, including a full imperial range, can be custom manufactured on request.


Bespoke Thumb Screws Manufacture

High precision, bespoke manufacture of Thumb Screws to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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