ALL CATEGORIES

SHOP BY INDUSTRY

EXCLUSIVE BRANDS

NEW PRODUCTS

EXPLORE SOLUTIONS

PUBLIC SECTOR

DEALS

Master key for Master Lock model series 1, 2, 3, 4, 5, 6, 11, 34, 35, 36, 37, 39, 40, 187, 190, 311, 312, 315, 317, 430, 443, 475 and 631. The Master Key allows the facility administrator to open the Padlock without using the individual key or combination. Master lock Control Keys can only be purchased through an official business or organization account. A Key Code is required for an existing installation. The lock is non-cancellable and non-returnable.

Master Lock&#174; No. K1 Master Key For W1 Cylinder Padlocks

Clearance Items

Customer Also Viewed

Save 15% Off

on all Auto-Reorders

with 5% off when you use your Global Industrial Credit Card.

% on your purchase when you use your Global Industrial Credit Card.

 suggested payments with 6 month special financing OR 

<a href="/knowledge-center">Knowledge Center</a>

<a href="/contactUs">Customer Support</a>

<a href="/account/browse-history">Browse History</a>