Model # U 9850

Internet #100130527

Store SKU #633172

Store SO SKU #633172

Prime-Line White Twist-in Sliding Patio Door Lock


White Twist-in Sliding Patio Door Lock

$5.25 /each

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Product Overview

The Defender Security White Twist-In Sliding Patio Door Lock is designed to prevent the sliding and lifting of your patio door. The bolt can be locked securely in closed or ventilating position.

  • Helps prevent sliding and lifting of door
  • Can locks door in closed or ventilating position
  • Zamac-cast housing with a white finish
  • Bolt locks into 1/4 in. hole drilled into fixed-panel rail with twist-in action

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Warranty / Certifications

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Customer Questions & Answers

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Customer Questions & Answers

White Twist-in Sliding Patio Door Lock
White Twist-in Sliding Patio Door Lock

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1 answer

Can it be used on vinyl doors

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June 7, 2016
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Answer (1)

June 9, 2016
Thank you for your inquiry regarding this item from Prime-Line Products. Yes, this item can be used on patio sliding doors constructed of vinyl.
For additional questions regarding this item, or any other product manufactured by Prime-Line Products, please call their toll free number at (877) 649-9740, or contact them by email at
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  • 2016-10-23 T12:16:18.956-05:00
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Customer Reviews

Rated 4.6 out of 5 by 7 reviewers.
Rated 4.0 out of 5.0 by Patio Door Lock I purchased one of these a few months ago and it held up for exactly 2 days before the bolt snapped in half. I am going to give it one more try July 5, 2016
Rated 5.0 out of 5.0 by door lock I knew I would find what I needed at The Home Depot!! March 29, 2016
Rated 5.0 out of 5.0 by Excellent inexpensive security device This little device secure the sliding doors in a manner that is practically impossible to open. It is easy to install with a drill and screwdriver, It is inconspicuous is you place it in the lower area. I placed it on 4 consecutive sliding doors and the only way to enter to the house is by breaking the glass ( too much noise!!) or lifting all the 4 doors at the same time( if someone have that strength????). It is worth the money pay. July 28, 2015
Rated 4.0 out of 5.0 by Solid Lock This lock is not your everyday slim picking lock. My misfortune is that it is a little too big for my cheap door. Otherwise a great buy for the price. June 30, 2015
Rated 5.0 out of 5.0 by Door lock Good product. Easy to install and it's simple but effective. March 31, 2015
Rated 5.0 out of 5.0 by Easy to install, secre! I picked up this product from the store. Very easy to install. Instructions were clear. Very easy fix for my security issue! I have an unusual set of doors with the 4 panels. The 2 outboard (for lack of a better word) are inside mounted sliding doors; the two inboard doors are outside mounted doors. The instructions had a simple solution to secure all 4 doors with 2 locks. Love this product!! April 25, 2014
Rated 4.0 out of 5.0 by They met our needs. We purchased these to use as improvised window locks. They worked great, although we did have to buy longer screws for a secure installation. February 28, 2013
  • 2016-10-24 T12:43:22.556-05:00
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