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Wing Screws and Thumb Screws
Wing Screws and Thumb Screws
This is a type of fastener designed to be tightened and loosened by hand rather than needing tools like screwdrivers or wrenches for installation. They have a wide range of useful applications, especially in parts, materials and builds that do not easily support the use of manual or power tools. These can also be useful solutions in a situation where you may need to remove a component or panel regularly. They can make tasks such as maintenance or cleaning much quicker and easier than having to use a driver to remove fully torqued machine screws, bolts, or rivets.
Wing Screws
Wing screws have a wing-like projection from the head of the screw, ideal for
thumb and forefinger leverage in turning.
Ensures rapid assembly and disassembly using only your hand. Wing screws and other hand fasteners are easy to install and make adjustments simple.
They’re ideal for applications where frequent access is require or where tightness needs to be adjusted regularly.
Available in Stainless Steel from M3 to M10.
Thumb Screws
The head of the thumb screw is knurled to provide extra grip and prevent slippage when tightening and loosening. The head diameter of the screw is large for ease of use and also provides a high degree of rotational accuracy.
Thumb screws are available in a shouldered versions known as knurled thumbscrews.
These are widely used in various applications where frequent access, adjustment, or disassembly is required, such as in the field of electronics, computer hardware, automotive, and machinery. Their convenient design enables users to make quick and tool-free adjustments, making them especially valuable in situations where efficiency and convenience are crucial.
Their main use is for fastening down panels, wiring, lids, safety covers, battery compartments, and any other part or component that might need to be removed and reinstalled frequently. They can be used for securing equipment, such as cameras, microphones, and lighting fixtures to stands or tripods, as well as electronic components, such as circuit boards or cooling fans. Thumb screws are also commonly used in HVAC systems for securing ductwork and in automotive industries for holding components in place.
Thumb screws are easy to use, as they do not require any special tools or equipment. To use a thumb screw, turn it clockwise or counterclockwise by applying pressure with your thumb and fingers until the desired tension is achieved. Twist the screw in a clockwise direction to tighten it and counterclockwise to loosen it. If extra force or precision is required, a pair of pliers or tweezers may be used to grip the head of the screw.
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Captive Screws
Captive screws basically are specially designed to lock into position in a hole, enabling easy setting up and removing of the attached pieces even without the complete removal of the screw.
A conventional screw typically passes through a clearance hole in one part and then screws into a threaded hole in a second part — so the first part is clamped to the second.
However, when the fastener is unscrewed from the threaded hole in the second component, it can easily separate from the first one.
A captive screw is designed to prevent this from occurring. It can freely rotate within the first component, with some axial movement, but it’s unable to separate from it.
USES : Captive screws are used when fasteners must remain attached to equipment, such as in cover panels. They are a requirement for several machinery safety standards.
They provide a secure joining, and avoid fastener loss or damage that might be caused by a loose part.
Captive screws come with Philips, Allen head or standard heads that are designed for usage with drill equipment and ordinary screwdrivers.
Captive screws can be found in several configurations and sizes much like the conventional screws premeditated to be utilized for large number of applications.
Material: Stainless Steel AISI-304.SS-316 on special order.
Size Range: M2 to M6 in ready stocks -
MicroFast Machine Screws
The MicroFast special range of micro size machine screws starts from M1.0x0.25.
As products keep getting smaller and smaller, there is a real need to have very small screws and nuts to connect a number of mini components.
This range provides a solution to the many industries that need reliable fixing options in the Micro range.
Our range of micro fasteners include a range of Machine screws.
Starting from M1x0.25 onward.
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MicroFast Machine Screws
The MicroFast special range of micro size machine screws starts from M1.0x0.25.
As products keep getting smaller and smaller, there is a real need to have very small screws and nuts to connect a number of mini components.
This range provides a solution to the many industries that need reliable fixing options in the Micro range.
Our range of micro fasteners include a range of Machine screws.
Starting from M1x0.25 onward.
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MicroFast Self-Tapping Screws
To meet the growing needs of the industry, we have added MicroFast, a special range of micro size screws and nuts to our extensive list of products.
Self-Tapping Screws from 1mm diameter onward.
Many sizes available in ready stock.
Head Styles – PAN Phillips and CSK Phillips
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Hex Self Drilling Screws
A Self-Drilling Screw is a Self-Tapping Screw with the added feature of a drill point. The drill point looks a lot like the point of a drill. It will drill a hole and form the mating threads in one operation.
Hex Heads are available in different materials for use in a number of applications.
- Carbon Steel
- Stainless Steel AISI-304
- Stainless Steel AISI-316
Bi-Metal – SS-304 with Carbon Steel Drill point
Bi-Metal self-drilling tapping screws that provide the corrosion resistance of 300 series stainless steel and the efficiency of drill screws. Such screws avoid the shortcomings of each of these materials.
The whole screw is protected with a silver slide coat. This coating not only adds additional corrosion protection it also reduces the screw in resistance.
This screws can be used for up to two sheets of 1.00mm stainless steel (2.00mm total thickness). The hardened point cuts through the steel then the 304 screws are designed to last a long time without corrosion and can also be used with 316 sheet or cladding. This is a much better option than either a carbon steel screw or a 410 stainless screw that will be at risk of corrosion.
They are suitable for use in both steel and aluminum.
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Pan Self Drilling Screws
A Self-Drilling Screw is a Self-Tapping Screw with the added feature of a drill point. The drill point looks a lot like the point of a drill. It will drill a hole and form the mating threads in one operation.
Pan Head screws are available in different materials for use in a number of applications.
Materials.
Carbon Steel
Stainless Steel AISI-304
Stainless Steel AISI-316
Bi-Metal – SS-304 with Carbon Steel Drill point.
Stainless Steel AISI-410
FINISH/COATING
Zinc Electroplated
Class-3 Coating
Passivated
PAN Phillips
As per DIN-7504M
General purpose head style.
Phillips drive H
Useful for stitching sheets and various assemblies attaching metal and other materials to metal.
Note: When fixing softer materials to metal, consider using a plain washer under the head to prevent the head from digging into the soft material.
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CSK Self Drilling Screws
A Self-Drilling Screw is a Self-Tapping Screw with the added feature of a drill point. The drill point looks a lot like the point of a drill. It will drill a hole and form the mating threads in one operation.
CSK Phillips
A self drilling screw with a CSK head has a flat top surface. This makes it suitable for softer materials such as wood by allowing a flush fit. The single operation of drilling, tapping and fastening wood to metal makes for speedy installation. This saves both time and effort.
Available as per DIN-7504O
For a flush fixing. Useful for fixing wood to metal or other metals having sufficient thickness to provide a countersink. Less prone to theft and tampering.
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Wafer Head Self Drilling Screws
A Self-Drilling Screw is a Self-Tapping Screw with the added feature of a drill point. The drill point looks a lot like the point of a drill. It will drill a hole and form the mating threads in one operation.
A wafer head is unique.
Materials
Carbon Steel
Stainless Steel AISI-304
Stainless Steel AISI-316
Bi-Metal – SS-304 with Carbon Steel Drill point.
Stainless Steel AISI-410
FINISH/COATING
Zinc Electroplated
Class-3 Coating
Passivated
Wafer Head with Phillips
Truss with Phillips
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Slotted Self Tapping Screws
Slotted Self-Tapping Screws
Self-tapping screws are different to traditional screws as they tap their own threads when screwed into either plastic, wood or metal.
The Slotted or Minus type drive can be said to be outdated but is still quite popular in India as many small and traditional trades are using this. Another reason for the continued popularity is that many assemblies are still being done manually and workmen have the traditional screw drivers with them.
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Pan Phillips Self Tapping Screws
A self-tapping screw is a screw that can tap its own hole as it is driven into the intended material. These are different from traditional screws as they tap their own threads when screwed into either plastic, wood or metal.
Phillips(Cross Recessed) self-tapping
Cross recess H (Phillips) according to ISO 4757
- The Phillips cross recessed head is the world’s most widely used system.
- Has a conventional cruciform recess with all walls inclined, the end of the screwdriver having trapezoid webs.
- The general dimensions are given in the product information of the respective catalogue group.