Brinks 60mm Keyed Discus Padlock vs Master Lock 40THC Shrouded Disc Padlock
Buy the Brinks 60mm discus lock for a single high-risk outdoor point: a gate, shed or storage unit where you want maximum cut and pry resistance. Buy the Master Lock 40THC two-pack when you need to secure two things with matching keys and want a shrouded shackle that blocks bolt cutters and saws. The Brinks is the heavier, more corrosion-resistant single lock; the Master Lock wins on versatility and keyed-alike convenience. Owners of both report solid weather performance, though the Brinks' stainless body holds up better in coastal or wet climates.
- Choose the Brinks 60mm discus lock if you are securing one valuable outdoor item and want the strongest single lock for the job.
- Choose the Master Lock 40THC two-pack if you need two locks that open with the same key and want a shrouded shackle for tight, exposed fittings.
Prices
- Brinks 60mm Keyed Discus Padlock: $14.78 at Newegg.com (last seen Nov 5)
- Master Lock 40THC Shrouded Disc Padlock: $27.75 at Lowe's (checked today)
- Difference: the Brinks 60mm Keyed Discus Padlock is $12.97 cheaper than the Master Lock 40THC Shrouded Disc Padlock at the latest prices (Nov 5 and Nov 12)

