Free Ground Shipping On All Orders Over $99

z Search

This section doesn’t currently include any content. Add content to this section using the sidebar.

Image caption appears here

Add your deal, information or promotional text

Master Lock 3MK M127 Master Key Padlock 


  • Commercial Grade Padlock Features Protection from Drilling & Prying
  • 1-9/16" (40mm) Wide Reinforced Laminated Steel Body for Superior Strength
  • 3/4" (19mm) Hardened Steel Shackle (9/32" diameter) for Extra Cut Resistance
  • Dual Ball Bearing Locking for Maximum Pry Resistance
  • Non-Rekeyable, 4-pin W1 Cylinder Helps Prevent Lock Picking
  • Keying: Pre-Keyed to Existing Master Key System MK# M127 (MK-KD)
  • Change Keys: Each Lock Will Come With 2 Change Keys (KD)
  • Master Keys: M127 Master Keys are Sold Separate (MK)
  • Specs_Width: 1-9/32" Wide; A: 9/32" (7mm) B: 3/4" (19mm) C: 5/8" (16mm)
  • Delivery: All Special Key Number Orders Have a 12-15 Day Factory Lead Time and Are Non-Returnable  


For 3MK Extra Cut Change (KD) Keys

Cut Master Keys for 3MK-M127 Padlocks


Master Lock 3MK M127 Master Keyed Padlock (3MK-KD-M127)


Master Lock No. 3MK M127 Padlock: Master Lock 3-MK-M127 Laminated Steel Pin Tumbler Commercial Grade Padlocks. Keying: Master Keyed to MK# M127.