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skip to Squire Stronglock - 37 Series - Standard Shackle

Squire Stronglock - 37 Series - Standard Shackle

£14.40

(£12.00 ex VAT)

sku: SqSt37
  • Hardened boron steel shackle provides exceptional resistance to cutting and sawing
  • Solid steel lock body offers robust physical protection against forced entry
  • Six-pin tumbler cylinder ensures high resistance to lock picking
  • Anti-drill protection plate shields the internal mechanism from attack
  • Weather-resistant construction makes it suitable for demanding outdoor environments
  • CEN rated to ensure compliance with recognised security standards

Key Configuration

Keys Supplied: per lock ( total) total (unless ordering multiple groups)
Additional Keys are available below
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Squire 37 Series Stronglock is a high-security padlock designed for heavy-duty applications in both domestic and commercial environments. Constructed with a solid steel body and a hardened boron steel shackle, this padlock is engineered to withstand aggressive physical attacks, including prying, cutting, and cropping.

The internal 6-pin tumbler mechanism provides a high level of security against manipulation, while the addition of an anti-drill plate protects the cylinder from mechanical bypass. Typical applications include securing perimeter gates, warehouse doors, site equipment, and high-value storage units. It is frequently specified for use in industrial, agricultural, and commercial settings where a standard padlock would be insufficient.

  • Designed for long-term reliability in exposed conditions
  • Provides a high level of physical deterrence and security
  • Suitable for use with heavy-duty chains and high-security hasps

FAQs

The Squire 37 Series is a heavy-duty padlock range designed for high-security environments. It features a solid hardened steel body and a boron alloy steel shackle, making it highly resistant to common forms of attack including drilling, prying, and cutting.

This padlock features a standard-length shackle manufactured from hardened boron alloy steel. Boron alloy is significantly tougher than standard hardened steel, offering superior protection against bolt croppers and saws.

Due to its high-security construction, the 37 Series is ideal for several demanding applications:

  • Securing perimeter gates and fences
  • Locking storage containers and site units
  • Protecting heavy machinery and plant equipment
  • Securing commercial warehouse doors

To ensure long-lasting performance, we recommend applying a dedicated lock lubricant or light oil into the keyway and around the shackle entry points every few months. This prevents the internal mechanism from sticking and protects against environmental debris.

Related Products

skip to Squire Stronglock Extra key - P4

Squire Stronglock Extra key - P4

£2.40

(£2.00 ex VAT)

sku: SqP4Key
  • Precision-cut to ensure smooth operation within the lock cylinder
  • Designed specifically for compatibility with Squire Stronglock P4 series padlocks
  • Acts as a direct replacement for lost keys or as a functional spare
  • Manufactured from durable materials to resist bending and mechanical wear
  • Maintains the security integrity of the existing locking system
  • Essential for providing additional keyholders with reliable access
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

This extra key is designed specifically for the Squire Stronglock P4 series, providing a reliable solution for users requiring additional access points or replacement keys for lost originals. Manufactured to exact specifications, the key ensures seamless compatibility with the internal mechanisms of P4 padlock cylinders.

It is typically used in commercial, industrial or domestic settings where multiple keyholders are required to access a single secured location, or as a precautionary spare to prevent lockout situations. Using a purpose-made replacement key helps to maintain the longevity of the lock by ensuring the pins are engaged correctly every time.

  • Direct Compatibility: Engineered to work exclusively with Squire Stronglock P4 lock bodies.
  • Functional Reliability: Precision machining reduces the risk of snagging or damage to the internal pins of the lock.
  • System Continuity: Allows for the continued use of existing hardware without the need to replace the entire padlock unit.

This component is a critical accessory for managing security across facilities using Squire locking systems, ensuring that access remains controlled and efficient.

skip to Squire Chain Attachment for Squire Stronglock Padlocks

Squire Chain Attachment for Squire Stronglock Padlocks

£4.80

(£4.00 ex VAT)

sku: SqChStLock
  • Compatible with the Squire Stronglock padlock range
  • Enables secure attachment of security chains to the padlock body
  • Prevents accidental loss or separation of the padlock from the chain
  • Facilitates easier operation by keeping the lock tethered to the fixture
  • Designed for heavy-duty industrial, commercial and agricultural use
  • Streamlines locking procedures on perimeter gates and site access points
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Squire Chain Attachment is a specialised security accessory engineered for use with the Squire Stronglock range of padlocks. Its primary function is to provide a robust mechanical link between the padlock body and a security chain, ensuring the lock remains tethered to the gate, shutter or fixture it is intended to secure.

This attachment is widely used in environments where padlocks are frequently handled, such as construction sites, farms and warehouse facilities. By permanently or securely tethering the padlock to the chain, it eliminates the risk of the lock being dropped, misplaced or stolen when in the open position. This is particularly beneficial for high-traffic access points where efficiency and loss prevention are critical.

The component is designed for straightforward integration with Stronglock series padlocks, creating a captive system that allows for one-handed operation in many scenarios. It is an essential addition for any security system requiring a fixed padlock solution to maintain site integrity and ensure the locking hardware is always available where needed.