71/80KD-3SK Stainless Steel D-Shaped Heavy Duty Padlock - Weatherproof

In this review of the 71/80KD-3SK stainless steel D-shaped padlock, the bottom line is simple: this is a heavy-duty outdoor lock for anyone who needs weatherproof, corrosion-resistant security for containers, garage doors, sheds and warehouses. The reviewer found the build quality and simple keyed-different operation to be the single biggest reasons to buy; the SUS304 stainless construction and anti-pry double-ball locking deliver reliable physical protection and long life in wet or salty conditions.

Key Features

• All-weather construction: The lock body, shackle and cylinder cover are made from anti-rust SUS304 stainless steel to resist corrosion and withstand wet conditions.
• High security locking: Heel-toe double-ball locking and an anti-pry design give strong resistance to pulling and common forced-entry techniques.
• Freely rotating shackle: A stainless steel shackle that rotates freely helps eliminate weak spots and reduces the chance of cutting or sawing attacks.
• Disc cylinder protection: The weatherproof anti-thief disc cylinder improves resistance to drilling and tampering for outdoor use.
• Keyed different with spare keys: Supplied keyed different with three stainless steel keys, giving basic key control while avoiding identical key risks.
• D-shaped form factor: The D shape fits well on container lock boxes, garage hasps and hooded covers where a compact, robust padlock is required.

Who It's For

This padlock is aimed at property owners and operators who need a durable, corrosion-resistant solution for outdoor security: shipping container custodians, workshop and warehouse managers, and homeowners securing garage doors or garden sheds will benefit from the SUS304 stainless construction and anti-pry mechanism.

It is less suitable for someone who needs a keyed-alike system out of the box or who requires an electronic or combination lock-those buyers should look for alternative options with those specific features. Also confirm the bolt size and shackle clearance before purchase to ensure fit.

Pros & Cons

Pros

• Solid SUS304 stainless construction that performs well in wet and corrosive environments.
• Anti-pry double-ball heel-toe locking provides strong resistance to pulling and forced entry.
• Three stainless steel keys supplied and smooth, reliable key operation noted by reviewers.
• D-shaped design fits common container and garage lock boxes effectively.

Cons

• Keyed different by default, so multiple locks will need keying options if a single key for all is desired.
• Buyers must check bolt size compatibility, as clearance requirements are specific to the D shape.

Specifications

Brand	KAWAHA
Model	71/80KD-3SK
Material	SUS304 stainless steel (body, shackle, cylinder cover)
Shape	D-shaped padlock
Keys	Keyed different, 3 stainless steel keys
Security features	Anti-pry double-ball heel-toe locking and weatherproof disc cylinder
Typical use	Container, garage door, shed, gate, warehouse security

Our Verdict

The 71/80KD-3SK is a practical, rugged padlock that delivers good value for anyone needing reliable outdoor security. Its SUS304 stainless parts and anti-pry locking give confidence against corrosion and brute-force attacks, and the supplied keys and D-shaped form make it a sensible choice for containers, garages and sheds.

Frequently Asked Questions

Is this padlock suitable for saltwater environments?
Yes. The SUS304 stainless steel construction and waterproof design provide high resistance to rust in wet or salty conditions.

Can the key be removed when unlocked?
No. The key can only be removed once the padlock is locked, which helps prevent accidental key loss while open.

Does it come with multiple keys?
Yes. The padlock is supplied keyed different with three stainless steel keys; keyed-alike options are available separately.