About this item
The ABUS 180IB/50 is the Nautilus all-weather combination padlock with a forged solid brass body, a stainless steel shackle, and a 4-digit individually resettable combination code. No key is required to open or reset it. Inner components are non-corrosive throughout, and the precision locking mechanism includes additional tampering protection. It's built for severe weather exposure including sea and port environments, and is rated for securing items of medium value at average theft risk. Applications include gates, lockers, tool boxes, sheds, cellar windows, switch boxes, cupboards, vehicles, and boats in outdoor use.
Why forged brass body and stainless steel shackle matter for outdoor and marine use
Most padlocks designed for indoor or sheltered use are constructed from zinc alloy or laminated steel, materials that perform adequately in controlled environments but corrode rapidly in sustained moisture, salt air, or temperature cycling. The 180IB/50 addresses outdoor performance at the material level. The body is solid forged brass, which is a material with inherently strong corrosion resistance due to its copper content, not dependent on a surface coating that can chip, scratch, or wear through over time. The stainless steel shackle is the correct material choice for the most exposed component on an outdoor padlock. A standard carbon steel shackle corrodes at the shackle-body interface, which is the first failure point on most outdoor padlocks that aren't specified correctly.
Inner components are specified as non-corrosive throughout, which means the combination mechanism's springs, detents, and tumblers use materials that maintain function in wet conditions. A padlock with a rust-resistant body but corroding internal mechanism will seize or fail to open reliably after extended outdoor exposure. The 180IB/50's all-weather rating covers all three components of the lock: body, shackle, and mechanism.
4-digit resettable combination and tampering protection
The 4-digit combination provides 10,000 possible codes. The code is individually resettable by the owner without tools or special equipment, which makes the lock practical for applications where access needs to change without issuing new keys. Gate codes for seasonal facilities, storage unit access codes, locker assignments, and vehicle securing codes can all be changed on site by the authorized user. The no-key operation means there's no key to lose, copy, or forget, which is a real operational advantage in outdoor and recreational settings where key management adds complexity.
The precision locking mechanism includes additional tampering protection designed to resist manipulation attempts. Combination padlocks are vulnerable to a feeling technique where an attacker applies tension while rotating each digit to sense resistance changes at the correct number. The tampering protection in the 180IB/50's mechanism is designed to defeat this approach by reducing the tactile feedback available to an attacker during a manipulation attempt.
Dimensions, shackle clearance, and where the 180IB/50 is specified
The lock body measures 2-3/64" wide, 3-1/32" high, and 15/16" deep. The shackle diameter is 5/16". Horizontal shackle clearance is 63/64" and vertical shackle clearance is 1-1/32". Total weight is 0.60 lbs. These dimensions position the 180IB/50 in the medium-body padlock range, suitable for standard hasps, gate staples, locker loops, and equipment securing points that accept a 5/16" shackle diameter. The brass finish requires no maintenance in typical outdoor use conditions.
For the full range of ABUS padlocks including keyed and combination models across all sizes and security levels, browse the ABUS padlocks catalog. The complete padlocks section covers combination, keyed, and high-security models from all manufacturers available on this site. For hasps and security hardware to pair with combination padlocks in outdoor installations, the miscellaneous locks section covers compatible security accessories.
Confirm the hasp or anchor point accepts a 5/16" shackle diameter before ordering. The combination is set by the owner and can be reset at any time without a key or special tool.
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