Master Lock 6421 Pro Series We...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$38.15
$37.41
Master Lock Master Lock 6421 Pro Series Weather Tough IC Padlock 6421

Master Lock 6421 Pro Series Weather Tough IC Padlock

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Model: 6421LJWO

In Stock (leaves warehouse same day if ordered before 3pm ET)

$38.15
$37.41
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OVERVIEW

  • Choice of 16 Small Format Interchangeable Cores to match this padlock to your door locks. See Related Information for options.
  • Ideal for harsh outdoor conditions - exclusive Weather Tough® cover protects lock from water, ice, dirt and grime
  • ProSeries® Padlocks are designed for Commercial/Industrial applications
  • 2-1/8in (54mm) heavy steel body withstands physical attack
  • 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
  • Dual ball locking mechanism resists pulling and prying
  • Lock available with or without core. Accepts standard SFIC OEM cores.
  • Rekeyable 6- and 7-pin core options.

Manufacturer Resources

Product Specs

Category:
Door Trim and Accessories
Subcategory:
Padlocks
Series:
6421 Series
Keyed:
Yes
Product Group:
Other \/ Miscellaneous Hardware
Product Subgroup:
Padlocks
Product Type:
Padlocks
Commercial/Residential:
Residential
Shackle Diameter:
5/16" (8mm)
Shackle Width:
7/8" (22mm)
Padlock Body Width:
2-1/8" (54mm)

Master Lock 6421LJWO – Frequently Asked Questions

How fast can I get the Master Lock 6421LJWO delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Master Lock 6421LJWO come with a warranty?
Absolutely. The Master Lock 6421LJWO is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Master Lock 6421LJWO?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Master Lock 6421LJWO from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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