---
sku: U9800
name: FHC 1/4\" - Extruded Aluminum - Thumbscrew Window Lock (2 Pack)
product_group: screen-patio-doors
d3_group: 10
d3_class: 10F
url_key: u9800
url: "https://fhc-usa.com/u9800"
image: "https://fhc-usa.com/media/catalog/product/u/-/u-9800.jpg"
variants:
  -
    sku: U9800
    label: Base
operational:
  lead_time_days: 21
  uom: PK
  cuttable: false
  country_of_manufacture: CHINA
  backorder: true
  make_buy: Buy
related_skus:
  - "U9820"
  - "U9802"
  - "U9805"
  - "U9807"
  - "U9809"
  - "U9810"
  - "U9812"
  - "U9817"
generated_at: "2026-05-21T23:29:54Z"
---

# FHC 1/4" - Extruded Aluminum - Thumbscrew Window Lock (2 Pack)

The FHC 1/4" - Extruded Aluminum - Thumbscrew Window Lock (2 Pack) is part of FHC's screen-patio-doors hardware line.

## Description

Overview These thumbscrew window locks are constructed of heavy-duty extruded aluminum, and each come with a steel thumbscrew. Window locks like these are designed for use on older style horizontal and vertical sliding windows, manufactured with metal frames. The locks fit over the window frame fins and the thumbscrew locks into the outer face of the fin, which can be no thicker than 3/16 in. Other versions of this lock are available with non-marring shoes, with larger/thicker frame fin capacity, with dual thumbscrews for double the holding power, and with single and dual Allen head set screws for tamper-resistant installations.

## Product Details

- Lead time: 21 days
- Unit of measure: PK
- Country of manufacture: CHINA