---
title: "Commercial Door Locks – GC Supplied"
description: "Commercial door locks — cylindrical lever and knob locksets, mortise locks and deadbolts in Grade 1 and Grade 2 — plus a chart of common ANSI lock functions."
url: https://gcsupplied.com/hardware-locks/
---

# Commercial Door Locks

## Locks

![Cylindrical lever lockset](https://gcsupplied.com/_astro/1-1-1.D72geABD.webp)

### Cylindrical Lever Locksets

Cylindrical lever locks are designed for exterior and interior commercial, industrial, institutional and heavy duty residential doors of all types. Available in a wide variety of keyed and non-keyed functions and in the most popular finishes. Grade 1 and Grade 2 locksets available. High Security Keyed Systems and Interchangeable cores available.

![Mortise lock](https://gcsupplied.com/_astro/2-1-1.D1o2UB7m.webp)

### Mortise Locks

Mortise locks are designed to be recessed into the door rather than applied to the door’s surface. Heavy duty commercial mortise locks offer a wide array of knob and lever designs, a variety of keyed and non-keyed functions and come in the most popular finishes. Applications: For commercial and institutional buildings where mortise locks are required.

![Deadbolt lock](https://gcsupplied.com/_astro/3-1-1.DHFnI9Fw.webp)

### Deadbolt Locks

Deadlocks or Deadbolt Locks are designed to add security to your exterior doors. Available in Grade 1 and Grade 2, single cylinder w/thumbturn or double cylinder. Available in the most popular finishes.

![Cylindrical knob lockset](https://gcsupplied.com/_astro/4-1-1.Cw0LyiG4.webp)

### Cylindrical Knob Locksets

Cylindrical knob locks are designed for exterior and interior commercial, industrial, institutional and heavy duty residential doors of all types. Available in a wide variety of keyed and non-keyed functions and in the most popular finishes. Grade 1 and Grade 2 locksets available. High Security Keyed Systems and Interchangeable cores available.

## Common Lock Functions

| Cylindrical ANSI | Mortise ANSI | Function | Translation |
| --- | --- | --- | --- |
| F75 | F01 | Passage | Doors that don't require locking. |
| F76 | F02 / F19 | Privacy | Latch bolt by knob or lever on either side. Projected deadbolt locks outside trim. Anti-panic operation. Emergency key outside. |
| F86 | F07 | Storeroom closet lock | Outside knob or lever always fixed. Key required for entry. Inside always free. |
| F82 | F04 | Entrance/Office lock | For office where lock is required. Operated by key outside, button on face of lock w/ passage function. |
| F84 | F05 | Classroom Lock | Classroom/Office or Utility Room. Key locks/unlocks outer knob or lever. Inside always free. |
| E2161 | F18 | Deadlock | Deadbolt by key outside only. |
| E2141 | F16 | Deadlock | Deadbolt by key both sides. |
| E2151 | F17 | Deadlock | Deadlock by key outside, thumb turn inside. |
| F88 | F09 | Apartment Exit | Office & Apartment Buildings, Lavatory Doors. Outer knob or lever set by inside key. Outside key operates latch bolt. |
| F93 | F15 | Hotel / Motel | Deadlocking latch bolt. Outside. Knob or lever always rigid. Anti-Panic operation Inside \* knob or lever operates deadbolt and latch bolt. Deadbolt by inside thumb turn, indicator on keyed side. |
| F90 | F13 | Dormitory | Deadlocking latch bolt operated by either knob or lever. Thumb turn inside throws deadbolt and automatically locks outside knob or lever. Anti-panic operation. |
| F87 | | Utility, Asylum, Institutional | Latch bolt operated by key either side only. Both knobs and levers rigid at all times. |
| F88 | F09 | Entrance/Apartment | Deadbolt by key outside, thumb turns inside with passage function and anti-panic deadbolt operation. Deadlocking latch bolt. |
| F81 | F05 | Entrance/Storeroom | Latch bolt by knob or lever both sides. Deadbolt by key outside, thumb turns inside. |
| F82 | F21 | Entrance/Storeroom | Latch bolt by either knob or lever. Deadbolt by key either side. |
| | F20 | Entrance/Apartment | Latch bolt by knob or lever. Except when stop-work activator set. Deadbolt by key. Thumb turn inside. Anti-Panic deadbolt operation. |

## Contact GC Supplied

- Phone: [800-442-8250](tel:+18004428250)
- Fax: 909-202-4569
- Email: [service@gcsupplied.com](mailto:service@gcsupplied.com)
- Office hours: Monday–Friday, 7:30am–4:30pm
- Contact page: https://gcsupplied.com/contact/
- Address: 10370 Regis Court, Rancho Cucamonga, CA 91730