125 Series
Premium Brass Padlocks
The versatile 125 series premium brass padlock range is available in a wide range of sizes and shackle options.
Top quality in design and manufacture with precision mechanisms featuring paracentric keyway and anti-pick cylinders.
As with many other series within the Kasp® range, the 125 series is available keyed alike, but conveniently additional 125 series padlocks can be specially assembled to match an existing key (ask your local stockist for further details).
Features & Benefits
- Hardened Steel (20mm and above) -
Extra protection against hacksaw and cropping attacks. - Double bolted locking mechanism (30mm and above) -
Extra strength to resist torsion and pull attack. - Solid brass body -
Added resistance to corrosion. - Anti-pick mushroom pins (30mm and above) -
Extra protection against picking. - Paracentric keyway -
Extra protection against manipulation.
Alternative Shackle Options
- Stainless steel -
MAXIMUM resistance against corrosion. - Long shackle -
Provides greater shackle clearance for versatility. - Brass shackle -
Anti-spart and added resistance to corrosion. - Close shackle -
Additional protection from shackle attack.

Product Data
Hardened Steel Shackle
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12515D | 1 | 15mm | 2.8mm | 11mm | 1 | - | |
| K12520D | 2 | 20mm | 3.5mm | 11mm | 1 | - | |
| K12525D | 3 | 25mm | 4mm | 13mm | 1 | - | |
| K12530D | 4 | 30mm | 4.8mm | 17mm | 1 | - | |
| K12535D | 4 | 35mm | 5.5mm | 20mm | 1 | - | |
| K12540D | 5 | 40mm | 6.4mm | 22.5mm | 1 | - | |
| K12545D | 6 | 45mm | 7.1mm | 25.5mm | 1 | - | |
| K12550D | 7 | 50mm | 8mm | 28mm | 1 | - | |
| K12560D | 10 | 60mm | 9.5mm | 35.5mm | 1 | - |
Twin Packs
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12515D2 | 1 | 15mm | 2.8mm | 11mm | 1 | - | |
| K12520D2 | 2 | 20mm | 3.5mm | 11mm | 1 | - | |
| K12525D2 | 3 | 25mm | 4mm | 13mm | 1 | - | |
| K12530D2 | 4 | 30mm | 4.8mm | 17mm | 1 | - | |
| K12540D2 | 5 | 40mm | 6.4mm | 22.5mm | 1 | - | |
| K12550D2 | 7 | 50mm | 8mm | 28mm | 1 | - | |
Quad Packs
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12520D4 | 2 | 20mm | 3.5mm | 11mm | 1 | - | |
| K12540D4 | 5 | 40mm | 6.4mm | 22.5mm | 1 | - | |
Stainless Steel Shackle
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12540SD | 5 | 40mm | 7.1mm | 22.5mm | 3 | - | |
| K12550SD | 7 | 50mm | 8.7mm | 28mm | 3 | - | |
Long Shackle
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12540L40D | 5 | 40mm | 6.4mm | 40mm | 1 | - | |
| K12540L63D | 5 | 40mm | 6.4mm | 63mm | 1 | - | |
| K12550L80D | 7 | 50mm | 8mm | 80mm | 1 | - | |
Long Brass Shackle
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12530L70BD | 3 | 30mm | 4.8mm | 70mm | 2 | - | |
| K12540L63BD | 4 | 40mm | 7.1mm | 63mm | 2 | - | |
Closed Shackle
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12540XD | 6 | 40mm | 6.4mm | 18.5mm | 1 | - | |
| K12550XD | 8 | 50mm | 8mm | 20.5mm | 1 | - | |
Brass Shackle / Coloured
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12540BBLAD | 4 | 40mm | 6.4mm | 21mm | 2 | - | |
| K12540BBLUD | 4 | 40mm | 6.4mm | 21mm | 2 | - | |
| K12540BGRED | 4 | 40mm | 6.4mm | 21mm | 2 | - | |
| K12540BORAD | 4 | 40mm | 6.4mm | 21mm | 2 | - | |
| K12540BREDD | 4 | 40mm | 6.4mm | 21mm | 2 | - | |
| K12540BYELD | 4 | 40mm | 6.4mm | 21mm | 2 | - | |
Keyed Alike
| Item No. | Security Rating |
Product Application | |||||
|---|---|---|---|---|---|---|---|
| K12515A1 | 1 | 15mm | 2.8mm | 11mm | 1 | Y | |
| K12520A1 | 2 | 20mm | 3.5mm | 11mm | 1 | Y | |
| K12520A2 | 2 | 30mm | 3.5mm | 11mm | 1 | Y | |
| K12530A2 | 4 | 30mm | 4.8mm | 17mm | 1 | Y | |
| K12530A3 | 4 | 30mm | 4.8mm | 17mm | 1 | Y | |
| K12540A1 | 5 | 40mm | 6.4mm | 22.5mm | 1 | Y | |
| K12540A2 | 5 | 40mm | 6.4mm | 22.5mm | 1 | Y | |
| K12540A3 | 5 | 40mm | 6.4mm | 22.5mm | 1 | Y | |
| K12540A4 | 5 | 40mm | 6.4mm | 22.5mm | 1 | Y | |
| K12550A1 | 7 | 50mm | 8mm | 28mm | 1 | Y | |
| K12550A2 | 7 | 50mm | 8mm | 28mm | 1 | Y | |
| K12550A3 | 7 | 50mm | 8mm | 28mm | 1 | Y | |
| K12550A4 | 7 | 50mm | 8mm | 28mm | 1 | Y | |
| K12560A1 | 10 | 60mm | 9.5mm | 33.5mm | 1 | Y | |
| K12560A2 | 10 | 60mm | 9.5mm | 35.5mm | 1 | Y | |
| K12540L40A1 | 5 | 40mm | 6.4mm | 40mm | 1 | Y | |
| K12540L63A1 | 5 | 40mm | 6.4mm | 63mm | 1 | Y | |
| K12550L80A1 | 7 | 50mm | 8mm | 80mm | 1 | Y |