Free Ground Shipping On All Orders Over $150

Our Master Lock Rekeyable Laminated Steel Padlock Section Features Master Lock Nos. 25 and 21 Series Padlocks, Both Keyed to Match Existing Key Numbers on The Master Lock W27 Keyway.

The Rekeyable Laminated Padlocks Are Unique For Several Reasons, Including Because They Are The Only Locks Available on the Master Lock W27 Keyway, Which Spans Key Numbers 10L001 Through 19L616.

Since They Feature Rekeyable Cylinders, the No. 25 and No. 21 Series Padlocks Can Also Be Keyed to Match Various Other Master Lock Keyways Including the Popular W1 Keyway. While the W27 Keyway for the Laminated Steel Locks Features a 5-Pin Cylinder, It Can Easily Be Removed and Replaced With a Master Lock 4-Pin W1 Cylinder, Which Features the Non-Rekeyable Laminated Steel Locks, Such as No. 1 Series, No. 3 Series & No. 5 Series Steel Locks.

The Nos. 21 and No. 25 Locks Are Also Considered “High Security” Laminated Steel Locks Due To Their Hardened Steel Bottom Plates For Extra Drill Resistance, a 5-Pin Tumbler (Cylinder) That Provides Thousands of Extra Key Changes, In Addition to a Hardened Steel Shackle (No. 21) and Hardened Boron Alloy Shackle (No. 25).

The No. 25 Series High Security Laminated Steel Padlock Matches the Exact Size of the Standard Laminated Steel No. 5 Series Locks, While the No. 21 Series High Security Laminate Steel Lock Is the Same Size As Master Lock’s No. 1 Series Laminated Padlocks.

Q: What Is The Width of the No. 21KA Series Padlocks?

A: The No. 21 Series Lock Is 1-3/4” Inch Wide.

The 21KA Locks Are The Same Exact Size Of the No. 1 Series Padlocks, Measuring 1-3/4 Inches Wide And Features The Same Available Shackle Sizes: 1” (Standard), 1.5” (LF), 2.5” (LJ) and 5” (LN).

Q: What Is The Width of the No. 25KA Series Padlocks?

A: The No. 25 Series Lock Is 2” Inches Wide.

The 25KA Locks Are The Same Exact Size Of the No. 5 Series Padlocks, Measuring 2 Inches Wide And Features The Same Available Shackle Sizes: 1” (Standard), 1-1/2” (LF) and 2-1/2” (LJ).

Q: What Size Shackles Are Available for the No. 21 Series Locks?

A: The 21KA Locks Are Available In Four (4) Shackle Sizes:

- Standard:1-Inch; Long: 1.5-Inch (LF); Longer: 2.5-Inch (LJ); Extended: 5-Inch (LN)

Q: What Size Shackles Are Available for the No. 25 Series Locks?

A: The 25KA Locks Are Available In Three (3) Shackle Sizes:

- Standard:1-Inch Height; Long: 1.5-Inch (LF); Longer: 2.5-Inch (LJ).

Q: What Is The Key Range of the Nos. 21 & 25 Series Locks?

A:The 21-Series and 25-Series Padlocks Are Both Available in the Following Key Ranges:

- W27 Keyway: 10L001 – 19L616

- W1 Keyway: 2001 – 2997; X2000 – X2998; 0301 – 0950; 3030 – 3999; A101 – A2084.

Q: What Size 21KA and 25KA Locks Are Available Within The W1 Key Range?

A: All Sizes of the 21KA & 25KA High Security Locks Can Be Matched to Existing W1 & W27 Key Numbers:

- 21KA (Standard): 1-Inch Shackle

- 25KA (Standard): 1-Inch Shackle

- 21KALF (LF): 1-1/2 Inch Shackle

- 25KALF (LF): 1-1/2 Inch Shackle

- 21KALJ (LJ): 2-1/2 Inch Shackle

- 25KALJ (LJ): 2-1/2 Inch Shackle

- 21KALN(LN): 5-3/4 Inch Shackle

Q: What Cylinder Comes With The Nos. 25KA & 21KA Series Locks?

A: The 21KA, 21KALF, 21KALJ, 21KALN, 25KA, 25KALJ & 25KALJ Are Come Standard With Master Lock 5-Pin W27 Keyway.

However, The 21KA and 25KA Series Locks Can Also Accept the Master Lock W1 Keyway, Which Provides Over 5,500 Possible Keys Throughout Their Popular Laminated Steel Locks, Such as the 1KA, 3KA & 5KA.

Q: Are 21 & 25 High Security Locks Available Other Than Keyed Alike?

A: Yes, In Addition to Keyed Alike (KA), the Nos. 21 & 25 Laminated Steel Locks Can Also Be Ordered Keyed Different (KD) and Master Keyed (MK):

- 21KD (Standard): 1" Shackle

- 25KD (Standard): 1" Shackle

- 21MK (Standard); 1" Shackle

- 25MK (Standard); 1" Shackle

- 21LF (KD / LF): 1.5-Inch Shackle

- 25LF (KD / LF): 1.5-Inch Shackle

- 21MKLF (MK + LF): 1.5-Inch Shackle

- 25MKLF (MK + LF): 1.5-Inch Shackle

- 21LJ (KD / LJ): 2-Inch Tall Shackle

- 25LJ (KD / LJ): 2-Inch Tall Shackle