---
product_id: 60026193
title: "Master Lock BLC0232DKA4 Storeroom Cylindrical Ball Knob, Commercial Grade 2, Brushed Chrome Finish"
brand: "master lock"
price: "€ 124.15"
currency: EUR
in_stock: true
category: "Master Lock"
url: https://www.desertcart.gr/products/60026193-master-lock-blc0232dka4-storeroom-cylindrical-ball-knob-commercial-grade-2
store_origin: GR
region: Greece
---

# Brushed chrome finish Grade 2 commercial security 6-pin bump resistant cylinder Master Lock BLC0232DKA4 Storeroom Cylindrical Ball Knob, Commercial Grade 2, Brushed Chrome Finish

**Brand:** master lock
**Price:** € 124.15
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your space with style and confidence!

## Quick Answers

- **What is this?** Master Lock BLC0232DKA4 Storeroom Cylindrical Ball Knob, Commercial Grade 2, Brushed Chrome Finish by master lock
- **How much does it cost?** € 124.15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/60026193-master-lock-blc0232dka4-storeroom-cylindrical-ball-knob-commercial-grade-2)

## Best For

- master lock enthusiasts

## Why This Product

- Trusted master lock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **BumpStop Technology:** Advanced 6-pin cylinder resists lock bumping for enhanced protection
- • **Dual-Access Convenience:** Inside knob always unlocked, outside knob securely locked with key access
- • **Sleek Brushed Chrome Finish:** Modern, professional look that complements any workspace aesthetic
- • **Unmatched Commercial Security:** Grade 2 ANSI/BHMA certified for trusted durability and 3-hour fire rating
- • **Effortless Installation & Longevity:** Fits standard doors with 10-year limited warranty for peace of mind

## Overview

The Master Lock BLC0232DKA4 storeroom ball knob lock combines commercial-grade Grade 2 security with a durable 6-pin bump resistant cylinder and a sleek brushed chrome finish. Designed for indoor locked storage rooms, it features dual-access operation—keyed outside knob and always unlocked inside knob—plus a 3-hour UL fire rating and ANSI/BHMA A156.2 compliance. Easy to install and backed by a 10-year limited warranty, this lock is the professional choice for secure, stylish access control.

## Description

Product Description The Master Lock No. BLC0232DKA4 brushed chrome storeroom ball knob features a bump resistant six pin cylinder and cylindrical construction for enhanced durability with a 2-3/4in fixed backset latch. This ball knob has 3 hr UL listing and meets ANSI/BHMA A156.2, Grade 2 Standards. The 10 Year Limited Lifetime Warranty provides peace of mind from a brand you can trust. From the Manufacturer Commercial knob lockset, type entry, satin chrome finish. Function entry Grade 2 material steel for door thickness 1-3/8-Inch to 1-3/4-Inch. Backset 2-3/4 -Inch. Crossbore size 2-1/8-Inch. Keying different number of keys two. Six pins 2-3/4-Inch x 1-1/8-Inch. T-strike required door thickness 1-3/8 -Inch to 1-3/4-Inch. Cylinder brass keyway type. Schlage C standards ANSI/BHMA A156.2 fire rated 3 hours. Includes 2 Keys.

## Features

- Brushed chrome finish
- For locked storage room application
- Operated by knob inside or key in outside knob, Outside knob is always locked. Inside knob is always unlocked
- BumpStop technology - Bump resistant cylinder
- Cylindrical construction for enhanced durability
- Six pin Schlage C compatible cylinder standard
- 2-3/4in (70mm) fixed backset latch
- 3 hr UL listing, Meets ANSI/BHMA A156.2, Grade 2 Standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00164L238 |
| Additional Features | Easy to Install |
| Best Sellers Rank | #72,294 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #335 in Door Knobs |
| Brand Name | Master Lock |
| Color | Chrome |
| Customer Reviews | 4.1 4.1 out of 5 stars (233) |
| Exterior Finish | Chrome |
| Finish Types | Brushed Chrome Finish |
| Global Trade Identification Number | 00071649120541 |
| Hand Orientation | Ambidextrous |
| Handle Attachment Mechanism | Latch |
| Handle Compatibility | Application Specific |
| Handle Material | Alloy Steel, Brass |
| Handle Type | Knob |
| Included Components | Unit^Instruction Guide |
| Indoor Outdoor Usage | Indoor |
| Item Depth | 2-3/4 inches |
| Item Dimensions L x W | 7"L x 3"W |
| Item Type Name | Door Lock |
| Lock Type | Key Lock |
| Manufacturer | Master Lock |
| Manufacturer Part Number | BLC0232DKA4 |
| Manufacturer Warranty Description | 10 Year Warranty |
| Material Type | Alloy Steel |
| Metal Type | Alloy Steel, Brass |
| Model Number | BLC0232DKA4 |
| Number of Items | 1 |
| Shape | Round |
| Specific Uses For Product | Door |
| Style Name | Knobs |
| UPC | 071649120541 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Master Lock
- **Color:** Chrome
- **Material:** Alloy Steel
- **Product Dimensions:** 7"L x 3"W
- **Style:** Knobs

## Images

![Master Lock BLC0232DKA4 Storeroom Cylindrical Ball Knob, Commercial Grade 2, Brushed Chrome Finish - Image 1](https://m.media-amazon.com/images/I/61trvTMkclL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: will this lock stay locked all the time?**
A: Rhonda comment below is incorrect.  It will always be locked from the outside, and it will always remain unlocked and free to open from the inside.

**Q: What kind of keyway does this lock use? is it a standard kwikset kw1 keyway?**
A: Six pin Schlage C compatible cylinder standard - Can be special ordered to 24 different keyways.

**Q: Does any storeroom cylindrical ball knob, come in backset of 2 3/8**
A: Yes, look for Copper Creek brand

**Q: Once locked with a key are both sides locked?  Even the side without a keyhole?**
A: No, YOU DO NOT NEED A KEY TO EXIT Only entry

## Frequently Bought Together

- Master Lock BLC0232DKA4 Storeroom Cylindrical Ball Knob, Commercial Grade 2, Brushed Chrome Finish
- Prime-Line U 10676 Steel Latch Guard Plate Cover for Out-Swinging Doors, 6 Inch Cover with 5/16 Inch Offset, Stainless Steel, Set of 1

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**Shop now:** [https://www.desertcart.gr/products/60026193-master-lock-blc0232dka4-storeroom-cylindrical-ball-knob-commercial-grade-2](https://www.desertcart.gr/products/60026193-master-lock-blc0232dka4-storeroom-cylindrical-ball-knob-commercial-grade-2)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-26*