What does the mm figure on a padlock mean?

The body width. A 50 mm padlock has a 50 mm wide body; as the figure grows the mechanism and shackle thicken and resistance to attack rises.

Short or long shackle?

A short shackle leaves less exposed and resists cutting better. A long shackle is used when it must pass through a thick hasp, a chain or two rings.

What is a shrouded padlock?

One with a closed body where the shackle sits inside it. Because it leaves no surface for a cutter to grip, it is preferred on containers, stores and exterior doors.

Which body should I choose outdoors?

Brass does not corrode in damp conditions and is the classic pick. Stainless steel is used on the coast and in chemical exposure; cast and zamak bodies belong indoors.

Are combination padlocks secure?

They solve key loss and key distribution and are practical at shared points. Physical resistance still comes from the body material and size; the combination mechanism is independent of that.

Can keyed-alike sets be supplied?

They can be requested on bulk orders. Send the model and quantities and we confirm availability and lead time together.

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Padlocks

A padlock is chosen by body width, shackle length and body material. This page explains what the millimetre figure describes, what shrouded and horizontal types are for, and which material survives outdoors. The catalogue holds over 100 models from Kale, Yuma and YMK.

Product Types

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Combination Padlocks9 products

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Size and body: from 25 mm to 90 mm

The millimetre figure in a padlock's name is the body width; as it grows, both the mechanism and the shackle get thicker and resistance to attack rises. For cabinets and cases 20-32 mm is enough; for store doors, containers and gates 50-70 mm; for exterior doors and site use 80-90 mm.

The body material follows the environment. Brass does not corrode and is the dependable outdoor choice; cast and zamak bodies are cheaper and belong indoors; stainless steel is for coastal and chemical exposure.

Body	Suits	Note
Brass	Outdoor, damp	Corrosion-free, the classic pick
Stainless steel	Coastal, chemical	Highest corrosion resistance
Cast / zamak	Indoor, cabinets	Economical
Brass/nickel plated	General use	Plating for looks and protection

Shackle types and locking

A short shackle leaves less exposed and resists cutting better; a long shackle is for thick hasps, chains and anywhere two rings must be spanned. In a shrouded padlock the shackle sits inside the body, leaving nothing for a cutter to grip — which is why it is preferred on exterior doors and containers.

Horizontal padlocks have a wider body and a double-ball mechanism; combination models remove the key entirely and suit shared access points. Keyed-alike sets can be quoted separately on bulk orders.

Short shackle: better cut resistance.
Long shackle: for thick hasps and chains.
Shrouded: shackle enclosed, the highest protection.
Combination: keyless, for shared access points.

Frequently Asked Questions

What does the mm figure on a padlock mean?
The body width. A 50 mm padlock has a 50 mm wide body; as the figure grows the mechanism and shackle thicken and resistance to attack rises.
Short or long shackle?
A short shackle leaves less exposed and resists cutting better. A long shackle is used when it must pass through a thick hasp, a chain or two rings.
What is a shrouded padlock?
One with a closed body where the shackle sits inside it. Because it leaves no surface for a cutter to grip, it is preferred on containers, stores and exterior doors.
Which body should I choose outdoors?
Brass does not corrode in damp conditions and is the classic pick. Stainless steel is used on the coast and in chemical exposure; cast and zamak bodies belong indoors.
Are combination padlocks secure?
They solve key loss and key distribution and are practical at shared points. Physical resistance still comes from the body material and size; the combination mechanism is independent of that.
Can keyed-alike sets be supplied?
They can be requested on bulk orders. Send the model and quantities and we confirm availability and lead time together.