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Two polished chrome aluminum thumb turn window locks side by side

Tuff Stuff

Tuff Stuff Thumb Turn Window Locks Pack of 2

SKU CH-STEF-MS4RR

Two aluminium thumb-turn locks secure single-hung or sliding windows and patio doors in closed or ventilating positions

  • Surface finishPolished Chrome
  • Sold asPack
  • Thumb-turn operation secures windows without a key
  • Aluminium construction resists corrosion for lasting use
  • Fits frames up to 3/16 inch thick for versatile installation
  • Pack of two covers multiple windows or doors

Polished Chrome Thumb Turn Locks

This pack contains two Tuff Stuff thumb turn window locks finished in polished chrome. They are made from aluminum and sized at 1 inch wide. The locks install on single hung or sliding aluminum windows and patio doors, securing them in a closed or ventilating position. They fit frames up to 3/16 inch thick.

Replaces Missing Or Worn Window Latches

These locks replace broken or missing original hardware on compatible aluminum frames. The upgrade is worth it when existing latches no longer hold the sash tightly or fail to engage the ventilation stop. They are not suited for vinyl, wood, or steel frames, nor for casement or awning window styles that require a different locking mechanism.

How it compares

Measured against everything we stock in Door Stops, Hinges & Window Hardware, at today’s prices. Recalculated every night.

Price $2.99
Cheaper than about 75% of the 316 comparable items (median $14.99).

Specifications

Product
Brand nameTuff Stuff
Size & build
Surface finishPolished Chrome

Questions about this item

What maximum frame thickness does the 1" wide aluminum thumb turn lock accommodate?

The lock fits single-hung or sliding aluminum window and patio door frames up to 3/16" thick.

Which installation step is commonly missed when securing the lock in the ventilating position?

Align the thumb turn with the frame channel, tighten the set screw fully, then test both closed and ventilating positions to confirm engagement.

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