J. C. Gupta & Sons

J. C. Gupta & Sons

J. C. Gupta & Sons

Sadar Patrappa Road, Bengaluru, Karnataka

Anti Theft Tamper Proof Security Screws and Nuts

Secure your products with our extensive range of security fastening options.

Permanent Security Options
- TWIST Shear Bolts
- TWIST Shear Nuts
- FORWARD One-Way Screws
- Solar Security Fastener

Reusable Security Options
- MULTI Pin-Hex Screws
- MULTI Pin-Torx Screws
- 2H Premium Security Screws
- KM Premium Security Nut

Twist Security Shear Nuts SS-304

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Product Details:

Usage/ApplicationTamper Proof
Place Of OriginINDIA
Grade304
Connection TypeFemale
BrandTWIST
Is It Rust ProofYES

Security screws, bolts, and nuts are designed so that ordinary tools cannot remove them. Removal can only be accomplished with special tools. 

   

Suitable for high torque applications, these nuts are manufactured for precision under the guidance of professionals. Upon tightening the nut, once the specified torque is exceeded, the hex portion shears off leaving behind a cone head which has no grip and therefore tamper-proof. A fit and forget solution that has proved its reliability over the years.
These nuts are very versatile and find wide usage in fencing, defence equipment, Solar and Energy installations and aerospace industry.

Features: 

 

  • Premium security fastener
  • Unique shear off feature
  • Permanent security
  • Requires standard tools

 

  • Suitable for high torque applications

 

Application: 

 

  • Fencing, defence equipment, aerospace, banks, automotive industry, vehicle number plates, solar panels, prisons, hospitals, public signs

 

 

Materials: Stainless Steel AISI 304 and AISI 316[against specific order]

 

Size Range: M5 to M16. Unified sizes against specific orders.

  

    

Additional Information:

Item Code: B4K22

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Pin Hex CSK Machine Screw Tamper Proof

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Product Details:

Minimum Order Quantity25 Piece
MaterialStainless Steel
Head StyleCSK
Usage/ApplicationTamper Resistant
Packaging TypeBox
GradeAISI 304
Quantity Per Pack100
Head ShapeCSK
FinishingPassivated
FeaturesPin Hex
TypeMetric

As the name states, this has an internal pin within the hexagonal socket which requires a special insert bit or key wrench to insert & remove. This reduces the risk of tampering by thieves or intruders undoing the screws.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance
is required.

Features:

Unique internal pin system.

Re-usable. Useful for maintenance.

Requires special tools.

Increased security.

Suitable for medium torque applications.

 

Application: Window grills, light fixtures in trains and buses, electronic equipment, defence equipment, prisons, hospitals, public signs, control panels, security cameras.

Material: Stainless Steel AISI 304.

Head Style
Countersunk Head/CSK Head B4K42 

To seat the screws level with the surface.

Sits flush without any projection

 

 


Additional Information:

Item Code: B4K42

Delivery Time: Ex. Stock. Else 30 days

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Multi Security Pin Hex Drive CSK Self Tapping Screw

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Product Details:

Minimum Order Quantity25 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
BrandMULTI
FinishPassivated
Packaging TypeBox
Head TypeCountersunk
TypeHexalobular with Pin
FeaturesTamper resistant
Usage/ApplicationTamper Proof
GradeAISI 304

Multi Security Pin Hex Drive CSK Self Tapping Screw Tamper Proof Anti Theft

As the name states, this has an internal pin within the hexagonal socket which requires a special insert bit or key wrench to insert & remove. This reduces the riskof tampering by thieves or intruders undoing the screws.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance 
is required.

Features:

Unique internal pin system.

Re-usable.

Requires special tools.

Sits flush without any projection.

Increased security.

Suitable for medium-high torque applications.

Application: Window grills, light fixtures in trains and buses, electronic equipment, defence equipment, prisons, hospitals, public signs, security cameras. 


 

No.6

No.8

No.10

No.12

No.14

DK (mm)

6.6

7.9

9.3

10.4

12.4

K (mm)

2.1

2.5

3.0

3.4

3.8


Additional Information:

Item Code: B4K44

Delivery Time: Ex Stock. Else 30 days

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Anti Theft Forward Security One-Way Rd Head ST Screw

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Product Details:

Minimum Order Quantity25 Piece
Head ShapeRound
Head TypeOne Way
ColorNatural
MaterialStainless Steel
FinishingPassivated
Packaging TypeBox

Forward One-Way Round Head Self Tapping SS-304 Security Screw. Special tamper proof and anti theft screw. This has a unique head that requires only a slotted screwdriver for insertion, making this ideal security screw for one way permanenant applications.

Useful for application in public areas where maintenance is not required but security is essential to prevent tampering.

Features:Unique one way head.Permanent.Requires standard slotted screwdriver.Suitable for low-medium torque applications.
Application: Vehicle number plates, solar panels, fencing, defence equipment, prisons, hospitals, public toilet facilities.

 

M3

M4

M5

M6

M8

DK (mm)

5.5

7.0

9.0

10.5

-

K (mm)

2.0

2.6

3.3

3.9

-


Additional Information:

Item Code: B4K47

Delivery Time: Ex. Stock. Else 30 days

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Multi Security Pin Torx Drive CSK Self Tapping Screw

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Product Details:

Minimum Order Quantity25 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
BrandMULTI
FinishPassivated
Packaging TypeBox
Head TypeCountersunk
FeaturesPin-Torx
Usage/ApplicationSecurity
GradeAISI 304

Multi Security Pin Torx Drive CSK Self Tapping Screw Tamper Proof Anti Theft

As the name states, this has an internal pin within the socket which requires a special insert bit or key wrench to insert & remove. This reduces the riskof tampering by thieves or intruders undoing the screws.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance 
is required.

Features:

Unique internal pin system.

Re-usable.

Requires special tools.

Sits flush without any projection.

Increased security.

Suitable for medium-high torque applications.

Application: Window grills, light fixtures in trains and buses, electronic equipment, defence equipment, prisons, hospitals, public signs, security cameras.


 

#4 (2.9)

#6 (3.5)

#8 (4.2)

#10 (5.0)

#12 (5.5)

#14 (6.3)

dK (mm)

4.90

6.60

7.90

9.30

10.60

12.40

K (mm)

1.50

2.10

2.50

3.00

3.40

3.80

TOOL SIZE

STX-H10

STX-H15

STX-20

STX-25

STX-27

STX-30


Additional Information:

Item Code: B4K54

Delivery Time: Ex. Stock. Else 30 days

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KM Premium Security Nut SS-304

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  • KM Premium Security Nut SS-304
  • KM Premium Security Nut SS-304

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Product Details:

Minimum Order Quantity12 Piece
GradeStainless Steel AISI 304
Head ShapeRound
Metal GradeA2
Surface TreatmentPassivated
ColorNatural
MaterialStainless Steel

Unique designed Security Nut. The ultimate two-way security nut – extra resilient to attack.

This removable nut requires a matching driver socket for installation and removal. The nut has a smooth aesthetically pleasing design which makes it an extremely versatile nut.

It is a premium security offering.


Additional Information:

Item Code: B4K20

Delivery Time: Ex. Stock. Else 30 days

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Shear Screws Bolts

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Product Details:

Minimum Order Quantity25 Piece
MaterialStainless Steel
BrandTWIST
ColorSelf
Packaging TypeBox
CoatingPassivated

We are ranked amongst the foremost organization that is involved in manufacturing and supplying Shear Screws Bolts. Suitable for high torque applications, our given screws bolt are manufactured from the superior quality material & leading techniques under the guidance of our professionals. Offered screws bolt find wide usage in fencing, defense equipment, and aerospace industry. This screws bolt is provided in numerous specifications as per the needs of customers.

Features:


  • Superb finish
  • Compact structure
  • Superb proficiency

Other Details:


  • Premium security fastener
  • Unique shear off feature
  • Permanent
  • Requires standard tools
  • Suitable for high torque applications

Application:


  • Fencing, defence equipment, aerospace, banks, automotive industry, vehicle number plates, solar panels, prisons, hospitals, public signs

Additional Information:

Item Code: K23

Delivery Time: Ex. Stock. Else 30 days

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Multi Pin-Hex Security Screw Button Head

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Product Details:

Drive TypePIN HEX
Material GradeAISI 304
MaterialStainless Steel
BrandMULTI

"MULTI" SECURITY SCREWS

"MULTI" Security Screws are re-useable security screws which are specially designed for applications where maintenance is required. They can only be installed and removed using special tools which gives authorised personnel secure access to the product. "MULTI" screws have a unique internal pin system which prevents unauthorised removal using standard tools ensuring the safety of your product. "MULTI" security screws are available in 8 different designs with varying head, drive and screw types.



Features:
Easy installation
Highly durable
Rust resistance
  • Unique internal pin system
  • Re-usable
  • Requires special tools
  • Suitable for medium-high torque applications

Application:
Solar panels, control panels, defence equipment, prisons, hospitals, public signs, security cameras

Additional Information:

Item Code: B4K41

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Pin Hex Security Tool Bit Tamper Proof Anti Theft

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Product Details:

Minimum Order Quantity25 Piece
Material GradeTempered Steel
Usage/ApplicationTamper Resistant
Corrosion ResistantStainless Steel
GradeAISI 304

Special bit to insert and remove Pin Hex Security Screws.

Made from Hardened Carbon Steel.

Mechanical Property - 50HRc

Bit Size

Item Code

Bit Length L

Drive

SPH-2.0

P4F3202000

25mm

1/4" HEX

SPH-2.5

P4F3220500

25mm

1/4" HEX

SPH-3.0

P4F3203000

25mm

1/4" HEX

SPH-4.0

P4F3204000

25mm

1/4" HEX

SPH-5.0

P4F3205000

25mm

1/4" HEX

SPH-6.0

P4F3206000

25mm

1/4" HEX

 


Additional Information:

Item Code: P4F32

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Forward Security One-Way Screw Round Head Machine Screw

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Product Details:

Minimum Order Quantity25 Piece
Head TypeOne Way
MaterialStainless Steel
FinishingPassivated

Forward One-Way Round Head Machine SS-304 Security Screw. Special tamper proof and anti theft screw. This has a unique head that requires only a slotted screwdriver for insertion, making this ideal security screw for one way permanenant applications.

Useful for application in public areas where maintenance is not required but security is essential to prevent tampering.

Features:

Unique one way head.

Permanent.

Requires standard slotted screwdriver.

Suitable for low-medium torque applications.

Application: Vehicle number plates, solar panels, fencing, defence equipment, prisons, hospitals, public toilet facilities.


 

No.6

No.8

No.10

No.14

DK (mm)

6.3

7.6

8.8

11.7

K (mm)

2.5

2.9

3.4

4.4


Additional Information:

Item Code: B4K45

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Security Pin Torx Button Head Machine Screw Tamper Proof

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Product Details:

Minimum Order Quantity25 Piece
BrandMULTI
MaterialStainless Steel
GradeAISI 304

Multi Security Pin Torx Button Head Machine Screw Tamper Proof Anti Theft

As the name states, this has an internal pin within the socket which requires a special insert bit or key wrench to insert & remove. This reduces the riskof tampering by thieves or intruders undoing the screws.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance
is required.

Features:

Unique internal pin system.

Re-usable.

Requires special tools

Suitable for high torque applications.

Application: Solar panels, control panels, defence equipment, prisons, hospitals, public signs, security cameras.

 

M3

M4

M5

M6

M8

M10

dK (mm)

5.70

7.60

9.50

10.50

14.00

17.50

K (mm)

1.70

2.20

2.80

3.30

4.40

5.50

TOOL SIZE

STX-H10

STX-H20

STX-H25

STX-H30

STX-H40

STX-H45

 


Additional Information:

Item Code: B4K51

Delivery Time: Ex. Stock. Else 30 days

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Multi Security Pin Torx Drive Button Head Self Tapping Screw

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Product Details:

Minimum Order Quantity25 Piece
Thread TypeSelf Tapping
MaterialStainless Steel
FinishPassivated

Multi Security Pin Torx Drive Button Head Self Tapping Screw Tamper Proof Anti Theft.

As the name states, this has an internal pin within the socket which requires a special insert bit or key wrench to insert & remove. This reduces the riskof tampering by thieves or intruders undoing the screws.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance 
is required.

Features:

Unique internal pin system.

Re-usable.

Requires special tools.

Suitable for medium-high torque applications.

Application: Solar panels, control panels, defence equipment, prisons, hospitals, public signs, security cameras.

 

#6 (3.5)

#8 (4.2)

#10 (5.0)

#12 (5.5)

#14 (6.3)

dK (mm)

6.70

7.40

9.30

10.20

11.00

K (mm)

2.60

2.20

2.60

3.10

3.40

TOOL SIZE

STX-H15

STX-H15

STX-H25

STX-H27

STX-H30

 


Additional Information:

Item Code: B4K53

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Pin Torx Security Tool Bit Tamper Proof Anti Theft

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Product Details:

Minimum Order Quantity1 Piece
BrandSP
Material GradeHardened Steel

Special bit to insert and remove Pin Torx Security Screws.

Made from Hardened Carbon Steel.

Mechanical Property - 50HRc

Bit Size

Item Code

Bit Length L

Drive

STX-H10

P4F3410000

25mm

1/4" HEX

STX-H20

P4F3420000

25mm

1/4" HEX

STX-H25

P4F3425000

25mm

1/4" HEX

STX-H30

P4F3430000

25mm

1/4" HEX

STX-H40

P4F3440000

25mm

1/4" HEX

STX-H40

P4F3445000

25mm

1/4" HEX

 


Additional Information:

Item Code: P4F34

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2H Premium Security Screw - Two Hole, Pig Nose, Snake Eyes

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Product Details:

Minimum Order Quantity25 Piece
MaterialStainless Steel

The 2H premium security screw has two holes in the head that require a special drive bit to fasten and remove the screw.


This is an aesthetically pleasing tamper proof solution useful in places where the fastener is visible.


A low to medium torque screw and the Cheese Head has a low profile making it more difficult to tamper with.

Made from Stainless Steel AISI 304, the screws have a good corossion resistance and long life.

Available in sizes from M3 to M8.

Additional Information:

Item Code: B4K11

Delivery Time: Ex. Stock. Else 30 days

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2H Premium Screws CSK - Snake Eyes, Two Hole, Pig Nose

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Product Details:

Head ShapeFlat Head
Drive TypeTwo Hole
MaterialStainless Steel

The 2H premium security screw has two holes in the head that require a special drive bit to fasten and remove the screw.


This is an aesthetically pleasing tamper proof solution useful in places where the fastener is visible.


A low to medium torque screw and the CouunterSunk Head provides a flush installation making it all the more difficult to tamper with

Made from Stainless Steel AISI 304, the screws have a good corossion resistance and long life.

Available in sizes from M3 to M8.

Additional Information:

Item Code: B4K12

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Pin Hex Security Key Wrench Tamper Proof Anti Theft

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Product Details:

Minimum Order Quantity1 Piece
BrandJC
Blade MaterialAlloy Steel

Special key wrench to insert and remove Pin Hex Security Screws.

Made from Hardened Carbon Steel.

Mechanical Property - 50HRc

Key Size

SPHL-2.0

SPHL-2.5

SPHL-3.0

SPHL-4.0

SPHL-5.0

SPHL-6.0

Item Code

P4F3120000

P4F3120500

P4F3130000

P4F3140000

P4F3150000

P4F3160000

 


Additional Information:

Item Code: F31

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Multi Security Screw Pin Torx CSK Tamper Proof

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Product Details:

BrandMULTI
MaterialStainless Steel
Material GradeAISI 304

Multi Security Pin Torx CSK Machine Screw Tamper Proof Anti Theft

As the name states, this has an internal pin within the socket which requires a special insert bit or key wrench to insert & remove. This reduces the riskof tampering by thieves or intruders undoing the screws.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance
is required.

Features:

Unique internal pin system.

Re-usable.

Requires special tools.

Sits flush without any projection.

Increased security.

Suitable for medium-high torque applications.

Application: Control panels, light fixtures in trains and buses, defence equipment, prisons, hospitals, public signs, security Cameras.


Additional Information:

Item Code: B4K52

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