Threaded Thumb Screws

Threaded Protection Plugs designed for use on BSP and Gas Threads. Safeguards threads and fittings from damage and contaminants during production, storage and shipment. The knurled head design allows easy hand installation and removal on pipes and tubes, by simply twisting.

• Features a knurled head design that makes them easy to install and remove by hand by twisting them onto the pipe or tube.

• The protection plug protects from contaminants like dirt, dust, debris, and moisture out of the hole.

• Used in various applications, including hydraulic, pneumatic and general engineering industries.

Material: LDPE, PA Colour: Red, Natural Series Code: SR1002, SR5757, SR1054

Threaded Protection Plugs designed for use on NPT Threads. Safeguards threads and fittings from damage and contaminants during production, storage and shipment. Can be installed by hand or using a 12-point socket head. Designed for strength and abrasion resistance. Can withstand temperatures from -40F up to 230F (-40C to 110C).

• It may be installed by hand or with a 12-point socket head, screwdriver or wrench.

• It can tolerate temperatures ranging from -40F to 230F | -40C to 110C.

• This threaded plug is suggested for usage where strength and abrasion resistance are required.

Material: HDPE, PEEK Colour: Red, Brown Series Code: SR5759, SRK0083

These Quick Fit Threaded Protection Plugs protect threads and fittings from damage during production, storage, and shipment, ensuring that they remain in good condition and ready for use when needed. The protection plug protects from contaminants like dirt, dust, debris, and moisture from the hole.

It conceals the initial thread of ordinary female threads. It is reusable and cost-effective material with less heat but excellent chemical resistance. Its ergonomic pull tab makes it simple to install and remove. Used in various applications, including hydraulic, pneumatic and general engineering industries.

• Its ergonomic pull tab makes it simple to install and remove.

• It is reusable and cost-effective material with less heat but excellent chemical resistance.

• Used in various applications, including hydraulic, pneumatic and general engineering industries.

Material: LDPE Colour: Red Series Code: SR1009

Threaded Protection Plugs designed for use on UNF Threads. Shield threads and fittings from damage and contaminants during production, storage and shipment. With fewer thread forms, they allow for quick application.

• It features fewer thread forms for faster application and may be applied or removed with a hand, hex spanner, or screwdriver.

• It is compatible with NS and NF Class 1-2-3 standard threads.

• Used in various applications, including hydraulic, pneumatic, and general engineering.

Material: LDPE, HDPE Colour: Red, Yellow Series Code: SR1077, SRF0029

Wide Flange Threaded Protection Plugs shield threads and fittings from damage and contaminants during production, storage and shipment. The nitrile gasket ensures a leak-tight seal against the mating surface. The wide flange prevents paint flakes from entering the hole upon removal. Withstands intermittent temperatures from -40C up to +100C.

• Its wide flange design keeps any paint flakes from the hole when removed.

• Their nitrile gasket seals the plug to the mating surface for leak-tightness.

• It is recommended for intermittent temperatures from -40C to +100C.

Material: PA Colour: Yellow Series Code: SR5761

Quick Fit Threaded Protection Plugs protect threads and fittings from damage during production, storage and shipment, ensuring they remain in good condition and ready for use when needed. They keep contaminants like dirt, dust, debris and moisture out of the hole.

Conceals the initial thread of standard female threads. They are suitable for various applications including those in the hydraulic and general engineering industries. They cover a wide range of thread sizes that meet Metric, Gas and UNF standards.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRTFUPCR

Threaded Sealing Caps are designed for use with BSP and Gas Threads protect threads and fittings from damage during production, storage and shipping. Features an interior neoprene rubber sealing disc that limits fluid leakage and reduces possible shear. Used in hydraulic and pneumatic systems.

• The cap is fitted with an internal neoprene rubber sealing disk to limit fluid leakage, plus it reduces potential shearing.

• It is easy to install and remove by hand, but its hex head allows the plug to be applied or removed with a spanner or socket at low torque.

• Used in various applications, including hydraulic, pneumatic and general engineering industries.

Material: HDPE Colour: Yellow, Red Series Code: SR1126

Knurled Knobs, or Thumb Knobs easily press fit on to screws, creating a small knob for clamping or securing an application. These Thumb Screw Knobs, also known as Thumb Bolts, can be used with any length of screw. The knurled edge is easily gripped for tightening and loosening.

Our offer features a range of black and orange Knurled Knobs, made from Polyoxymethylene (POM). Several options available; the first two options offer easy assembly with bolts and nuts, with a single hammer-stroke. Suitable for M4, M5, M6, M8 and M10 hexagon bolts and nuts. They are in compliance with DIN 555, 601, 934, 558, 571, 931 and 7976. The third options easily assembles on socket head screws, also with one hammer-stroke. Available for inside hexagon bolts from M3 up to M10, and in compliance with DIN 912, 6912, 7984.

Also available are Knurled Screws or Nuts made from either Steel, with a tensile strength class of 5.8 (500 N/mm). This option has a visible face fine turned and blackened. The other option made from Stainless Steel AISI 303 - the visible face find turned with a matte, shot-blasted finish. Various threads available include M5 knob screw options.

A Thumb Screw Knob made from Acetal is also in our thumb knob range. These can be used as a thumb screw or a knob, with caps available for use with any length screw. Colour options include Black, Blue and Red.

The range also features a black Polyamide (PA 6) Knurled Kbob, suitable for Socket Head Caps Screws, which easily assembles into the base of the knob. Not special tools or glue is required. The knurled edge increases grip.

T-Head Thumb Screw Knobs can be press-fit onto screws to create a small knob for clamping or securing. These knobs can be used with any length screw and the T-Head design provides extra leverage when tightening.

These Thumb Screws - Knurled Plastic are fasteners used in various applications that demand a secure and readily adjustable connection. These screws have a knurled plastic head and offer distinct benefits over standard metal thumb screws.

It has a strong grip and is simple to use, allowing for quick and easy tightening or loosening by hand. The knurled texture improves the user's ability to apply torque without using other tools, making them perfect for tasks requiring frequent adjustments.

Commonly used in industries such as electronics, automotive, and furniture manufacturing. They are especially suitable in situations that need a non-metallic connection since the plastic head protects sensitive or polished surfaces.

These Thumb Screws with a Plastic Round Knob are fasteners in various applications requiring manual tightening or loosening. These screws have a circular knob shape of strong plastic, providing a pleasant and ergonomic grip for effortless hand operation. Additionally, the plastic design offers advantages such as corrosion resistance, electrical insulation, and lightweight qualities.

The rounded knob design enables quick and easy adjustments without additional tools. The knob's smooth surface provides a pleasant grip, making it simple to tighten or loosen the screw as needed. Suitable for use in electrical enclosures, computer hardware, or any other application where electrical components must be protected while remaining safe.

These Thumb Screws - Wing Plastic are fasteners utilised in various applications that demand a secure and readily adjustable connection. These screws are made with a wing-shaped plastic head that offers leverage for simple twisting.

It has a strong grip and is simple to handle, allowing for quick and easy tightening or loosening by hand. The wing shape gives a wider surface area for the thumb or fingers to grasp, making it perfect for applications that need frequent adjustments. This function allows the user to apply torque without using extra tools.

Commonly used in industries such as electronics, automotive, and furniture manufacturing. They are especially suitable in situations that need a non-metallic connection since the plastic head protects sensitive or polished surfaces. As a result, they are ideal for fastening components, panels, or fittings without leaving unattractive marks or scratches.

Threaded O-ring Plugs for UNF Threads include a compressed flange lip and an O-ring (optional) to provide a watertight seal and superior leakage prevention for hydraulic threads. The threaded O-ring keeps contaminants like dirt, dust, debris, and moisture out of the hole.

It may be installed using a hex wrench, screwdriver, or hand. Often used on flat-faced hydraulic fittings, it is recommended when strength and resistance are desired as it can withstand temperatures that range from -40F to 230F | -40C to 110C. Used in oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

• Material: PP, HDPE
• Colour: Yellow, Black, Red
• Material Flammability Standard: UL94 V-0

Waist Shaped Knobs have a curvy, hourglass shape that provides a firm gripping surface that is also comfortable. These durable knobs fit on to threaded applications and are resistant to oils, fuels, and greases.

Male Staggered Wing Knobs are designed with a protruding metal shoulder to ensure metal to metal assembly while giving good leverage. Staggered wing knobs have steel studs and are resistant to solvents, oils, grease, and chemicals.

Series Code :SR1579

Female Tapered Wing Knobs are designed to give good leverage with each turn making them ideal for applications that require frequent tightening and loosening. These tapered plastic knobs with steel inserts are easily gripped and durable.