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 5MK-SG400 Padlock


  • Commercial Grade Padlock Features Protection from Drilling & Prying
  • 2" (51mm) Wide Reinforced Laminated Steel Body for Superior Strength
  • 1-Inch Tall (3/8" Diameter) Hardened Boron Alloy Shackle for Extra Cut Resistance
  • Dual Ball Bearing Locking for Maximum Pry Resistance; Non-Rekeyable, 4-pin W1 Cylinder Helps Prevent Lock Picking
  • Specs_Width: 2" Wide; A: 3/8" (10mm) B: 1" (25mm) C: 15/16" (24mm)
  • Keying: Pre-Keyed to Existing Master Key System MK# SG400 (MK-KD)
  • Change Keys: Each Lock Will Come With 2 Change Keys (KD)
  • Master Keys: SG400 Master Keys are Sold Separate (MK)
  • Delivery: All Special Key Number Orders Have a 12-15 Day Factory Lead Time and Are Non-Returnable 


For 5MKExtra Cut Change (KD) Keys

Cut Master Keys for 5MK-SG400 Padlocks

Master Lock 5MK SG400 Laminated Steel Padlocks

  • Body Material: Reinforced laminated steel body
  • Shackle Material: Hardened steel shackle
  • Packaging: Commercial Boxed
  • Shelf Pack Qty: 6
  • Master Carton Qty: 24
  • Body Width:2in (51mm) Wide
  • Shackle Height:1in (25mm) Tall
  • Shackle Width:15/16in (24mm)
  • Shackle Diameter: 3/8in (10mm)
  • Color: Steel
  • Keying: Master Keyed to match existing MK# SG400
  • Keys: 2 Keys per Lock; SG400 Master Keys Sold Separate

Master Lock 5MK SG400 Master Keyed Padlock (5MK-KD-SG400)


Master Lock No. 5MK SG400 Padlock: Master Lock 5MK-SG400 Laminated Steel Pin Tumbler Commercial Grade Padlocks. Keying:Master Keyed to MK System SG400.