J. C. Gupta & Sons

J. C. Gupta & Sons

J. C. Gupta & Sons

Sadar Patrappa Road, Bengaluru, Karnataka

GST No. 29AABFJ2719C1ZO
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Self Tapping And Drilling and Wood Screws

A self-tapping screw is a screw which can tap its own hole as it is driven into the material.

Common features are the screw thread covering the whole length of the screw from tip to head and a pronounced thread hard enough for the intended substrate, often case-hardened

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.

Some self-tapping screws are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a centre drill. These screws combine a drilling action and the fastener installation itself into only one driving motion (instead of separate drilling, tapping, and installing motions); they are thus very efficient in a variety of hard-substrate applications, from assembly lines to roofing.

There are various types of Self-Drilling screws available with us suitable for a number of applications.

We have an extensive range of self tapping and drilling screws and wood screws suitable for many situations.
The various types include slotted self tapping screw, phillips self tapping pan/csk, chip board screws, hex head self tapping, self-drilling roofing/cladding screws hex, coach screws and drywall screws (gypboard screws).

Slotted CSK Self Tapping Screws

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Product Details:

Minimum Order Quantity50 Piece
Screw TypeSELF TAPPING
Thread TypeSelf Tapping
MaterialStainless Steel
ColorSELF
FinishPassivated
Packaging TypeBox
Head TypeCountersunk
Din IsoDIN 7973

The Slotted Countersunk [CSK] self tapping screws are used to provide a flush finish to the assembly.

Manufactured as per DIN 7972, these are available in Mild Steel and Stainless Steel grades 304 and 316.



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Item Code: B4B23

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Self-Drilling Roofing/Cladding Screws Hex SS-316

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Product Details:

Minimum Order Quantity25 Piece
Usage/ApplicationRoofing
MaterialStainless Steel
Type Of HeadsHEX
PlatingPASSIVATED
Product TypeSELF-DRILLING
Heat TreatmentNO
Material GradeAISI-316
Head ShapeHEX
Is It CustomisedNon Customisation
Corrosion ResistanceHIGH
StandardDIN-7504K

A self-tapping screw is a screw which can tap its own hole as it is driven into the material.

Common features are the screw thread covering the whole length of the screw from tip to head and a pronounced thread hard enough for the intended substrate, often case-hardened

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. 

Some self-tapping screws are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a centre drill. These screws combine a drilling action and the fastener installation itself into only one driving motion (instead of separate drilling, tapping, and installing motions); they are thus very efficient in a variety of hard-substrate applications, from assembly lines to roofing.

 There are various types of Self-Drilling screws available with us suitable for a number of applications.

The HEX head style is the most common useful for most applications.

For Extreme service conditions, AISI 316 grade stainless steel screws are used. These provide a very long life to the installation even in coastal areas.

 


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Item Code: B6B43

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Slotted Self Tapping Pan Screw

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Minimum Order Quantity100 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
ColorSELF
FinishPassivated
Packaging TypeBox
Head TypePAN
TypeSLOTTED

Self-Tapping are also know as Sheet Metal Screws. These are suitable for cutting threads in sheet metal or other metals.

The Slotted PAN head screws are made as per DIN 7971.

Materials : MS Zinc Electroplated
                 Stainless Steel - AISI 304 and AISI 316 grades
Size Range : No.2, No.4, No.6, No.8, No.10, No.12, No.14

The advantage of this drive is that the common screwdriver can be used.

 


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Item Code: B21

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SS Micro Self Tapping Screws Cross Recessed PAN

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Minimum Order Quantity25 Piece
Size1.0 to 2.6
BrandJC
Material GradeSTAINLESS STEEL
Head ShapeRound
Head TypePAN PHILLIPS
Thread StyleFull Thread
Drive TypePhil
Thread TypeSelf Tapping
MaterialStainless Steel
FinishPassivated
ColorSELF

Adding to our ever growing range, self tapping screws are now available in Micro sizes off the shelf.
Material - Stainless Steel AISI 304
Head - Cross Recessed PAN
Size Range
1.0mm from 3mm to 8mm length
1.2mm from 3mm to 10mm length
1.4mm from 3mm to 12mm length
1.7mm from 4mm to 16mm length
2.2mm from 4.5mm to 25mm length

Suitable for all small component manufacture.

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Item Code: B4B31M

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Self Tapping Screw CSK Phillips DIN 7982

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Minimum Order Quantity50 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
ColorSELF
FinishPassivated
Packaging TypeBox
Head TypeCountersunk
TypePHILLIPS DRIVE

For a flush fixing, use the self tapping CSK Phillips Screw. With a proper countersink tool, you can create a suitable counter and ensure a lever surface without any projection.
Manufactured as per DIN 7982, these screws are very popular in a number of applications.
They are also used for fixing into wood in the absence of suitable wood screws.
Available in Mild Steel and Stainless Steel Grades AISI 304 and 316.

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Item Code: B4B33

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Self Tapping Screw CSK TORX ISO 14586

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Minimum Order Quantity50 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
BrandSP
ColorSEL
FinishPassivated
Packaging TypeBox
Head TypeCountersunk

With the development of the Hexalobular [TORX] drive, installing screws reliably and rapidly has become easier.
This wobble free slipless drive provides for higher tightening torque as compared to other drives.
Manufactured as per ISO 14586, our range of screws are in Stainless Steel AISI 304 grade.

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Item Code: B4B28

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Self Tapping Screw PAN TORX ISO 14585

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Minimum Order Quantity25 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
ColorSELF
FinishPassivated
Packaging TypeBox
Head TypePAN
TypeTORX

With the development of the Hexalobular [TORX] drive, installing screws reliably and rapidly has become easier.
This wobble free slipless drive provides for higher tightening torque as compared to other drives.
Manufactured as per ISO 14585, our range of screws are in Stainless Steel AISI 304 grade.

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Item Code: B4B27

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Self Drilling Screw PAN Phillips SS-316

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Product Details:

Minimum Order Quantity100 Piece
Usage/ApplicationConstruction
MaterialStainless Steel
Type Of HeadsRound-head
PlatingPASSIVATED
Product TypeSCREW
Material GradeAISI 316 GRADE A4
Head ShapePAN

A self-tapping screw is a screw which can tap its own hole as it is driven into the material.

Common features are the screw thread covering the whole length of the screw from tip to head and a pronounced thread hard enough for the intended substrate, often case-hardened

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.

 

Some self-tapping screws are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a centre drill. These screws combine a drilling action and the fastener installation itself into only one driving motion (instead of separate drilling, tapping, and installing motions); they are thus very efficient in a variety of hard-substrate applications, from assembly lines to roofing.

 There are various types of Self-Drilling screws available with us suitable for a number of applications.

The Phillips PAN head style is the most common useful for most applications.

For Extreme service conditions, AISI 316 grade stainless steel screws are used. These provide a very long life to the installation even in coastal areas.


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Item Code: B6B44

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Self Drilling Screw CSK Phillips AISI 316

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Product Details:

Minimum Order Quantity100 Piece
Usage/ApplicationIndustrial
BrandSP
MaterialStainless Steel
Type Of HeadsCSK
PlatingPASSIVATED
Product TypeTAPPING SCREW
Head TypeCOUNTERSUNK
Material GradeAISI 316
Thread StyleSELF-TAPPING
Is It CustomisedNon Customisation
FeaturesROHS COMPLIANT

A self-tapping screw is a screw which can tap its own hole as it is driven into the material.

Common features are the screw thread covering the whole length of the screw from tip to head and a pronounced thread hard enough for the intended substrate, often case-hardened

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.

 

Some self-tapping screws are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a centre drill. These screws combine a drilling action and the fastener installation itself into only one driving motion (instead of separate drilling, tapping, and installing motions); they are thus very efficient in a variety of hard-substrate applications, from assembly lines to roofing.

 There are various types of Self-Drilling screws available with us suitable for a number of applications.

The Phillips CSK head style is a useful one where a flush fixing is required. Used mainly to fix wood on to metal substrates.

For Extreme service conditions, AISI 316 grade stainless steel screws are used. These provide a very long life to the installation even in coastal areas.


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Item Code: B6B45

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BI-METAL Stainless Steel Self-Drilling Screws

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Product Details:

Minimum Order Quantity25 Piece
Usage/ApplicationRoofing
BrandSP
MaterialBI-METAL STAINLESS STEEL
Drive TypeHEX
Product TypeSELF-DRILLING SCREW
Heat TreatmentYES

It is a common error in assuming that Stainless Steel Self Drilling Screws will drill into steel. However, that is not the case. To provide corrosion resistance, stainless steel self-drill screws are made from AISI-304 or AISI-316 grades. These cannot be hardened and therefore the drill point can only drill into softer materials like Aluminium. For fixing onto steel structures, Bi-Metal self-drilling screws have been developed. These screws have a carbon steel tempered drill point welded onto a stainless steel shank. This design enables the dual advantages of 1) self-drilling through hard metal sheet up to 12mm and 2) corrosion resistance on the stainless shank 3) drilling, tapping and fastening in one shot. Besides, the induction heat treatment on drilling point, which avoid sensitization of the stainless steel material on the shank.

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JCPlas Plastite Screws PAN Phillips

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Minimum Order Quantity50 Piece
SizeK16 to K40
MaterialStainless Steel
BrandJCPlas
Usage/ApplicationPlastic components
FinishPassivated
Quantity Per Pack1000
TYPETHREAD FORMING

  • Plastic is proving to be a versatile material for the future in spite of the hue and cry against it. It is opening up a world of innovations where smaller, lighter and cheaper is driving the markets. But it comes with its own technological challenges such as suitable fastening solutions. The regular screws are completely unsuitable leading to development of specialised screws for use in plastics.
  •  
  • Fastening plastics using standard self-tapping screws frequently causes assembly problems. The plastic material is liable to burst due to stresses that build up in the assembly.
  • One solution is inserting the screws into metal inserts but this adds to the procurement and assembly costs.  
  • Fastening thermo plastic materials during construction and assembly as well as their load capacities prove to be challenging issues for industrial users on a regular basis.
  • With the increasing use of 3D printing technology, it has become imperative that a reliable screw capable of providing a secure strong joint in plastics is available.
    • An effective solution is to use thread-forming screws with 30° thread form.
    • This feature allows the screw to make deeper grooves into the material and capture more of it between the threads, creating an even greater resistance to shear force while reducing stress.
    • The JCPLAS screw uses this design form which provides many benefits like:
    • 1.      Optimal connection of plastic parts
    • 2.      Minimal radial stress
    • 3.      Considerably increased durability of screw connection in static and dynamic tensile loading.
    • 4.      Low thread forming torque ensuring safety of the plastic recipient
    • 5.      Elimination of the risk of relaxation
    • 6.      A guaranteed tenfold re-assembly
    • 7.      The thread’s one-of-a-kind geometry results in an optimal fastening and self-locking mechanism for thermoplastics.
    Increases preload force by higher flank overlapping on pressure side   
    • These Screws with large than normal threads increase the load bearing capacity of the plastic and provide high quality internal threads with no damage to the molecular structure of the plastic, significantly reducing the danger of material failure.

    10.  Fast, cost-effective application.

    11.  The easy starting, easy driving capabilities of JCPLAS screws cut assembly time and costs.

    12.  Exceptional holding power eliminates the need for thread inserts.
    AAAvailalbe in Stainless Steel AISI-304
    The PAN Phillips head stype provides reliable holding and clamping.
    Size range from 1.6mm till 4.0mm


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    Item Code: B4B66

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    Slotted CSK Wood Screws DIN 97 SS

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    MaterialStainless Steel
    GradeAISI 304

    Wood screws are probably the most commonly-used mechanical woodworking fasteners. They are used primarily for connecting wood to wood and are known for the clamping force that they provide to strengthen a joint. They can also be used to attach hinges, hardware, locks, and other non-wood objects.

    There are many different types of screws, but only certain types are applicable for woodworking. While all wood screws have an aggressive thread for grabbing and holding the wood, there are many differences in the varieties of wood screws, based on the gauge, length, head type, and drive type of the screw in question.

    Head Types

    The two most common head types for wood screws are slotted, commonly referred to as flathead, and Phillips, sometimes referred to as cross-head.

    Our range is from 2.5mm to 6.4 mm diameter screws in slotted type as per DIN 97

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    Item Code: B4B41

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    Drywall Screws

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    Minimum Order Quantity100 Piece
    FinishBlack Phosphate
    Usage/ApplicationFurniture
    MaterialMild Steel
    ColorBlack

    As an esteemed company, we are engaged in providing a broad gamut of Drywall Screws. Our provided drywall screw is well known in the industry for its optimum quality. The provided drywall screw is well checked on numerous parameters before supplying in the market. This drywall screw is manufactured as per the set industry norms using best in class material & modern techniques following the set norms of industry.

    Features:

    • High durable
    • Reliable
    • Supreme strength

    Additional Information:

    Item Code: B40

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    Hex Head Self Tapping

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    MaterialStainless Steel
    Type Of BoltsSelf Tapping
    Surface FinishingPassivated
    GradeAISI 304

    A self-tapping thread-cutting screw would typically be used in wood or metal, and it cuts material out of its way as it enters and drives inward.
    Self-tapping screws are normally made either from carbon steel or stainless steel, but they have other qualities that change their appearance and chemical composition. Stainless is the most commonly found screw material, often chosen for its corrosion resistance and is made with varying strengths that depend on the amount of nickel, chromium and other alloys they contain.
    Self tapping screws are normally used with sheet metal and plastics. This variant has a hexagon head, so is designed to be driven in with a standard spanner or ratchet and socket. As the name suggests, this type of screw forms its own thread as it is installed into a pre-drilled hole.

    Self-tapping screws are commonly used when you need to attach two pieces of material together where you can only access one side of the material. Where you can access both sides you can use either a screw or a bolt.

    Self-tapping screws are useful where you have to disassemble and reassemble products such as furniture, as self-tapping screws will relocate themselves into the same threads which they have been removed from.


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    Item Code: B4B35

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    MS SS Slotted Self Tapping RSD

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    By focusing on various demands of our respected clients, we MS SS Slotted Self Tapping RSD. These products are expertly manufactured keeping in mind with quality norms using top grade material, under the keen observation of experienced professionals. The given products are accessible in different specifications as per the variegated needs of customers. Our esteemed clients can avail these products from us at reasonable rates.

    Features:

    • Outstanding durability
    • Resistance against corrosion
    • Easy to install

    Additional Information:

    Item Code: B25

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    Phillips Self Tapping Pan

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    Product Details:

    Minimum Order Quantity50 Piece
    MaterialStainless Steel
    Head ShapeRound
    Packaging TypeBOX
    FinishingPASSIVATED
    Surface TreatmentPASSIVATED
    Head TypePAN
    GradeAISI 304

    The PAN Phillips Self Tapping Screws are among the most popular type of sheet metal screws in use today.
    Very suitable for tapping into Aluminium, Steel and other metals, this drive is very easy to install.
    Standard : DIN 7981 Pan Phillips

    Materials: Mild Steel and Stainless Steel AISI 304 and AISI 316

    Sizes : 1.0mm upto #14 screws.
               1.0, 1.2, 1.4, 1.7, 2.2, 2.9, 3.5, 3.9, 4.2, 4.8, 5.5, 6.3.
    Length upto 100 mm.


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    Item Code: B4B31

    Delivery Time: EX STOCK

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    Chip Board Screws CSK Pozi

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    Product Details:

    Minimum Order Quantity50 Piece
    Screw TypeWOOD SCREW
    MaterialStainless Steel
    Size3MM TO 8MM
    PolishPASSIVATED
    Quantity Per Pack100
    ColorSELF

    Chipboard Screws are now available with us. Ideally suitable for fast fixing to wood and boards. 

    The Countersunk head has a Pozi drive for easy tightening. Available in Mild Steel and Stainless Steel AISI 304 Grade.

    By default most sizes are fully threaded and some sizes are available in half thread.


    Sizes : 3mm to 8mm diameters up to 150 mm length.

     


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    Item Code: B4B39

    Delivery Time: EX STOCK

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    Chip Board Screws DIN7505

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    Product Details:

    Minimum Order Quantity100 Piece
    Screw TypeWOOD SCREW
    MaterialMild Steel

    Multi purpose screws for fixing wood & board

    Additional Information:

    Item Code: A2B39

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    Hex Coach Screws Din 571 Stainless Steel

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    Product Details:

    Minimum Order Quantity25 Piece
    MaterialStainless Steel
    GradeAISI 304
    Rust ResistantYes

    These are heavy duty screws designed with a square or hexagonal head engineered to be used with a wrench, spanner, or pliers. When driven into timber, the threaded shaft bites into the wood.

    Specifications:

    Materials: Mild Steel and Stainless Steel
    Size Range :
    5mm to 12mm dia

    20mm to 150mm length
    Typical Uses:
    for metal to timber connections, or to join heavy timbers.Fixing clamps, plates to flooring, walls, Dish Antennas, road humps etc


    Additional Information:

    Item Code: B4B58

    Delivery Time: Ex. Works

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    MS SS Slotted Self Tapping RND (Round Head)

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