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Ultra Low Profile Screws Unified Series
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Our JCSlim range of Ultra-thin head screw are up to 77% thinner than conventional pan head which makes possible flat external surface and contributes low-profile design and weight saving.

Usage Guidelines

Always keep the tightening torque within the recommended torque range. This will prevent screw and joint failure. Consult the product datasheet for details. Using a torque enabled driver is recommended.

Check tapped hole with thread plug gauge before assembly to ensure perfect installation.

Use a good quality Hexalobular bit and check that there is no excessive play before applying torque.
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Ultra Low Profile Metric Screws with Narrow Heads
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These are available with a special Narrow Head.

The smaller head enables greater weight and space saving.

Available in Stainless Steel AISI 304 grade
Sizes: M2.5 to M4

Also available in Black Coated Finish on request

This finish is very useful in reducing light reflection from parts and providing an integrated finish to black coloured products and parts.

These screws have a permanent black colour with exceptional strength and elasticity that does not chip, peel, craze, or rub off and provides good resistance to wear and abrasion.

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Ultra Low Profile Metric Screws
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Our JCSlim range of Ultra-thin head screw are up to 77% thinner than conventional pan head which makes possible flat external surface and contributes low-profile design and weight saving.

These screws feature a reliable TORX drive that facilitates more reliable installation and support smaller and lighter design.

With the miniaturisation of a large number of products, this has become an invaluable addition to the range of screws. With a flattened fastening face, this supports layers of parts.

The Hexalobular Torx drive provides a slip-less and easy fixing. Stainless Steel provides long life and corrosion resistance.

Applications:

-For flat surface design without head edge
-For smooth appearance design

In installation where the part does not permit deep enough holes to make a countersunk.

The large diameter heads of the low-profile screws have been engineered to spread the load across a wide surface to provide greater holding power in thinner material applications. These offer a sleek, unobtrusive and polished finish for any design.

Saves space and permits flexible design, especially in weight and space sensitive applications such as drones, electric scooters, aerospace and medical equipment.

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SEMS Screws Special with Small OD Washer
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We now have a special SEMS screw with a small OD Plain Washer available in stock.

Suitable for many electronic assemblies with smaller space availability.

Available in Stainless Steel AISI 304 A2.

Application Areas

SEMS can be used anywhere where a screw and washer(s) are required. Application examples below:

Avionic communication systems

Flight control systems

Electronic engine control systems

Electronic warfare and countermeasures

Infra-red systems and cameras

Missile & ground munition systems

Naval & ground fire control systems

Display systems

Control consoles

Battery packs

PCB assembly

Drone sub assemblies

Key Benefits

Reduces Foreign Object Damage (FOD)

Reduces component assembly time

Reduces inventory count

Improves ease and speed of assembly

Eliminates downtime due to lost components

Lowers kitting part count
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SCHS SEMS Screws Allen Cap
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SEMS Screws are screws pre-assembled with free spinning washers. The assembly typically contains one plain washer and one split spring washer.

The washers are held in place with the major diameter of the thread being larger than the hole of the washer. This is achieved by inserting the washers before thread rolling.

SEMS screws provide design and manufacturing efficiencies by combining multiple parts, captive washer and screw, into one versatile fastener.

This has many benefits which have revolutionised assembly manufacturing processes, particularly in the Aerospace Avionics sector.

Advantages

– Increased productivity by eliminating hand assembly of washers with the screws.
– Permanent assembly ensuring that the washers are not misplaced.
– Safety for the product as there is no chance of a washer being dropped into the assembly.

– One part to inventory, track and assemble.

SEMS screws work well in products with small dimensions, allowing for seamless integration and assembly with a lower risk of error or failure.

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SEMS Screws Pan Phillips
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SEMS SCREWS

SEMS Screws are screws pre-assembled with free spinning washers. The assembly typically contains one plain washer and one split spring washer.

The washers are held in place with the major diameter of the thread being larger than the hole of the washer. This is achieved by inserting the washers before thread rolling.

SEMS screws provide design and manufacturing efficiencies by combining multiple parts, captive washer and screw, into one versatile fastener.

This has many benefits which have revolutionised assembly manufacturing processes, particularly in the Aerospace Avionics sector.

Advantages

– Increased productivity by eliminating hand assembly of washers with the screws.
– Permanent assembly ensuring that the washers are not misplaced.
– Safety for the product as there is no chance of a washer being dropped into the assembly.

– One part to inventory, track and assemble.

SEMS screws work well in products with small dimensions, allowing for seamless integration and assembly with a lower risk of error or failure.

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Phillips Machine Screws
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CROSS RECESSED MACHINE SCREWS

The Phillips screw drive (specified as an ANSI Type I Cross Recess and type H in ISO documentation) is among the most popular drive style for screws.

Cross recess H (Phillips) according to ISO 4757 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.

The design is often criticized for its tendency to cam out at lower torque levels than other “cross head” designs.

Head Style

Pan Phillips

The pan head is cylindrical head with a slightly rounded top surface and a flat bearing surface underneath. This head style is ideal for most applications where a protruding head is acceptable.

Applicable standards

IS 7483 – Indian Standard

DIN 7985 – DIN [German] standard

ISO 7045 – International Standards Organisation

JIS B1111 – Japanese standard

DIN Sizes from M1.6
Micro Sizes now available starting from M1.0

Materials – Steel, Stainless Steel AISI 304 and 316, Titanium on request.
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Slotted Machine Screws
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Flange Bolts
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We offer a wide range of metal bolts and studs. What is the difference between screws and bolts?

Bolts can be described as long shafts with a distinct head on one side. These are generally partially threaded. A fully threaded bolt is referred to as a screw.

Flange Bolts

Flange bolts, also called Hex Flange Screws, are a special type of bolt which have a flange below its head. They look like a bolt with a washer attached to the head.

The flange provides a more even distribution of the load. Flange bolts eliminate the need to use a washer giving higher flexibility in a wide range of operations.

Standard – DIN 6921.

Materials – Mild Steel and Stainless Steel.

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Carriage Bolts
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We offer a wide range of metal bolts and studs. What is the difference between screws and bolts?

Bolts can be described as long shafts with a distinct head on one side. These are generally partially threaded. A fully threaded bolt is referred to as a screw.

Square Neck Carriage Bolts

This is known by different names such as Carriage Bolts, Coach bolts/ Round Head Square neck bolt, Mushroom Head Square neck bolt etc. Useful for fastening wood and metal together.

It is distinguished from other bolts by its shallow mushroom head followed by a square neck, while the shank cross section of the bolt is circular.

This gives the bolt its self locking feature. The square neck grips into the part being fixed preventing the head from turning when the nut is tightened.

Standard – DIN 603

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Hex Bolts & Screws
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We offer a wide range of metal bolts and studs. What is the difference between screws and bolts?

Bolts can be described as long shafts with a distinct head on one side. These are generally partially threaded.

A fully threaded bolt is referred to as a screw.

Hex screws:

The work horse of any industry, the ubiquitous screw is needed in every machinery in some size or the other. We have a varied range to cater to all your different needs.

Metric Series:

IS 1364, ISO 4017, DIN 933

Materials: Titanium, Alloy Steel (high tensile), mild steel, Brass and stainless steel (AISI 304 and 316)

Mechanical:

For alloy steel property class 8.8 and 10.9 as per IS 1367, ISO 898 part I.

For mild steel 4.6 class

For Stainless Steel property class 50, 70 and 80[High Strength]

Size Range : M2.5 to M36 .Lengths from 10mm to 400mm

Inch Series

BSW: BS-1083

Threads: BS Whitworth, BS 84

Materials: Titanium, Alloy Steel (high tensile), mild steel and stainless steel AISI304 & AISI316

Mechanical: BS 2470 for Alloy Steel. Size range:(1/8”), 3/16”, ¼”, 5/16”. 3/8”, (7/16”), ½”, 5/8”, 3/4”, (7/8”), (1”). Lengths 3/8” to 8”Sizes in brackets are non-preferred standards and availability is limited.

Hex Bolts:

Metric Series:

DIN 931 ISO 4014

Materials: Titanium, Alloy Steel (high tensile), mild steel, Brass and stainless steel (AISI 304 and 316)

Mechanical:

For alloy steel property class 8.8 and 10.9 as per IS 1367, ISO 898 part I.

For mild steel 4.6 class

For Stainless Steel property class 50, 70 and 80[High Strength]

Size Range : M2.5 to M36 .Lengths from 10mm to 400mm

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Flanged Button Head Torx Machine Screws 6-Lobe
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The notion of a drive with hexalobular sockets are a decisive step in developing drives better adapted to manual and automated assembly. This drive is becoming increasingly popular throughout the world.

Flanged Button Head 6-Lobe (TORX)

Made as per ISO 7380-2, this screw type is extremely useful to provide a low profile fixing in slotted holes and softer materials.

The Flanged head helps distribute the load over the surface.

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Low Head Torx Machine Screws 6-Lobe
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The notion of a drive with hexalobular sockets are a decisive step in developing drives better adapted to manual and automated assembly. This drive is becoming increasingly popular throughout the world.

Low head socket cap screws are designed to be used in special applications where head height clearance is a problem. Because of their reduced head height and smaller socket size, they normally cannot be pre-loaded as high as a standard socket head cap screw and should not be subjected to high dynamic loads.
Suitable for use in parts too thin for standard height socket cap screw and for applications with limited clearances.

Available with Hexagonal Socket Head and 6-Lobe (ISO-14580) Socket Head for more reliability.

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SHCS Torx Machine Screws 6-Lobe
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The notion of a drive with hexalobular sockets are a decisive step in developing drives better adapted to manual and automated assembly. This drive is becoming increasingly popular throughout the world.

6-Lobe Socket Head Cap Screws as per DIN 912

SHCS Torx is a very useful screw form that provides a very reliable fixing for machine construction.

SHCS Torx are also available in Black finish on request.

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Button Head Torx Machine Screws 6-Lobe
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The notion of a drive with hexalobular sockets are a decisive step in developing drives better adapted to manual and automated assembly. This drive is becoming increasingly popular throughout the world.

Dome Head 6-Lobe Screws as per ISO 7380-1

Also known as Torx Button Head Screw. This provides a lower profile fixing and is visually appealing.

BHCS Torx is also available in Black Finish

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CSK Torx Machine Screws 6-Lobe
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The notion of a drive with hexalobular sockets are a decisive step in developing drives better adapted to manual and automated assembly. This drive is becoming increasingly popular throughout the world.

Features

Standard – ISO 14581

Our range of CSK Torx head screws is presently in Stainless Steel.

Gives a flush finish

Materials: AISI-304 AISI-316

Size Range: M1.6 to M10 up to 150mm length

Finish – Passivated. Black coating on special orders
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