---
product_id: 280804279
title: "Copper Creek BK2020AB Ball Door Knob, Passage Function, 1 Pack, in Antique Brass"
brand: "copper creek"
price: "¥11655"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/280804279-copper-creek-bk2020ab-ball-door-knob-passage-function-1-pack
store_origin: JP
region: Japan
---

# ANSI Grade 3 Security Adjustable Round Corner Latch Screw Alignment Adapters Copper Creek BK2020AB Ball Door Knob, Passage Function, 1 Pack, in Antique Brass

**Brand:** copper creek
**Price:** ¥11655
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock style and security with a vintage vibe!

## Quick Answers

- **What is this?** Copper Creek BK2020AB Ball Door Knob, Passage Function, 1 Pack, in Antique Brass by copper creek
- **How much does it cost?** ¥11655 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/280804279-copper-creek-bk2020ab-ball-door-knob-passage-function-1-pack)

## Best For

- copper creek enthusiasts

## Why This Product

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

## Key Features

- • **Timeless Antique Brass Finish:** Rich, smear-resistant finish adds a warm, vintage charm that lasts and resists wear.
- • **Versatile Passage Functionality:** Ideal for bathroom or bedroom doors, blending style with practical everyday use.
- • **Built to Secure, Designed to Impress:** ANSI Grade 3 certification ensures top-tier security for your home or office.
- • **Effortless Installation, Perfect Fit:** Round corner adjustable latch and screw alignment adapters make setup a breeze on most doors.
- • **Solid Brass Cylinders for Durability:** Premium solid brass construction guarantees long-lasting performance and reliability.

## Overview

The Copper Creek BK2020AB Ball Door Knob combines ANSI Grade 3 security with a rich antique brass finish, featuring adjustable round corner latches and screw alignment adapters for easy installation. Crafted from solid brass and steel components, this passage function knob is perfect for enhancing both the look and security of interior doors.

## Description

Copper Creek BK2020AB Ball Door Knob, Passage Function, 1 Pack, in Antique Brass

## Features

- Ansi Grade-3 Security Passage Ball Knob
- Steel Round Corner Adjustable Latch
- Nickel Plated Bolts
- Rich Antique Brass Finish
- Solid brass cylinders when keyed Screw alignment adapters for easy installation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Copper Creek Hardware |
| Part Number | BK2020AB |
| Product Dimensions | 18.8 x 8.89 x 8.89 cm; 439.98 g |
| Item model number | BK2020AB |
| Size | 1 Pack |
| Colour | Antique Brass |
| Finish | Antique Brass |
| Material | Metal, steel, brass, zinc, etc |
| Pattern | Passage |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Handle material | Copper |
| Special Features | Easy to Install, Sturdy |
| Usage | Bathroom door, Bedroom door |
| Included Components | Hardware and Instructions |
| Batteries Required? | No |
| Item Weight | 440 g |

## Product Details

- **Material:** Metal, steel, brass, zinc, etc
- **Brand:** Copper Creek
- **Colour:** Antique Brass
- **Product dimensions:** 18.8L x 8.9W centimetres
- **Exterior finish:** Brass

## Images

![Copper Creek BK2020AB Ball Door Knob, Passage Function, 1 Pack, in Antique Brass - Image 1](https://m.media-amazon.com/images/I/71W5k6kzcUL.jpg)

## Available Options

This product comes in different **Colour Name, Style Name** options.

## Questions & Answers

**Q: Can you set it to lock automatically every time you close the door?**
A: I don't think so, you have to lock it by hand and then close the door, I could be wrong though

**Q: what size door  will it fit**
A: The box say it fits doors 35 mm (1-3/8" ) to 45mm (1-3/4 ") thick.  Adjustable latch fits 2-3/8" or 2-3/4" backset.

**Q: Is it possible to change the inside door button (so that it is vertical when door is unlocked, thus matching US standards/other locks in my home?  Rig**
A: It can be install either way u can also if lock u can use a screwdriver or knife to unlock no key is needed

**Q: Does it has a push button lock in the other side?**
A: It is not a push button, it has a lever that you turn to lock the door.

## Frequently Bought Together

- Copper Creek BK2020AB Ball Door Knob, Passage Function, 1 Pack, in Antique Brass
- Copper Creek BK2030AB Ball Door Knob, Privacy Function, 1 Pack, in Antique Brass
- Copper Creek BK2090AB Ball Door Knob, Dummy Function, 1 Pack, in Antique Brass

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**Shop now:** [https://www.desertcart.jp/products/280804279-copper-creek-bk2020ab-ball-door-knob-passage-function-1-pack](https://www.desertcart.jp/products/280804279-copper-creek-bk2020ab-ball-door-knob-passage-function-1-pack)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-04*