---
product_id: 635664277
title: "Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum"
brand: "pfcke"
price: "R$261"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/635664277-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic
store_origin: BR
region: Brazil
---

# 3/8" Dia CNC Precision 6061 Aluminum Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum

**Brand:** pfcke
**Price:** R$261
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Hydraulic Game!

## Quick Answers

- **What is this?** Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum by pfcke
- **How much does it cost?** R$261 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/635664277-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic)

## Best For

- pfcke enthusiasts

## Why This Product

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

## Key Features

- • **Enhanced Grip:** Knurled design for superior handling and control.
- • **Durable Design:** Made from corrosion-resistant 6061 aluminum for long-lasting performance.
- • **Easy Installation:** Quickly install with a simple 1/4 turn and a 5/32 hex wrench.
- • **Precision Engineering:** Crafted with CNC technology for unmatched accuracy.
- • **Versatile Compatibility:** Fits 6, 12, or 20 ton mandrel presses and any bottle jack with a 3/8" valve.

## Overview

The PFCKE Bottle Jack Valve Release Screw Knob is a high-quality, precision-engineered accessory designed for Harbor Freight hydraulic presses. Made from durable 6061 aluminum, it features an easy installation process and enhanced grip for optimal performance. Compatible with various ton mandrel presses, this knob is a must-have for any serious hydraulic application.

## Description

Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum

## Features

- HIGH QUALITY: The hydraulic jack valve release screw knob is made of high quality 6061 aluminum material and CNC cutting technology, the product is highly accurate, corrosion resistant and durable.
- EASY INSTALLATION: Slide the hydraulic jack valve release screw knob onto the release screw, turn it 1/4 turn, you need to use a 5/32 hex wrench (Allen wrench) to fix the set screw on the end of the knob in place, then the installation is completed.
- WARM NOTE: This part is designed for use with Harbor Freight hydraulic bottle jacks, do not use when lifting vehicles, for hydraulic press applications only!
- SUITABILITY FOR: For use on 6, 12 or 20 ton mandrel presses, but will also work on any bottle jack with a 3/8 diameter valve release screw.
- UPGRADED DESIGN: the knob adopts knurled design to enhance the sassafras force of the knob, better hand feeling and grip.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | PFCKE |
| Brand | PFCKE |
| Model | PSK-QJD |
| Product Dimensions | 3.5 x 4 x 3.5 cm; 110.56 g |
| Item model number | PSK-QJD |
| Manufacturer Part Number | PSK-QJD |
| Item Weight | 110 g |

## Product Details

- **Load Capacity:** 44 Pounds
- **Brand:** PFCKE
- **Color:** Silver
- **Item dimensions L x W x H:** 1.38 x 1.57 x 1.38 inches
- **Manufacturer:** PFCKE

## Images

![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 1](https://m.media-amazon.com/images/I/61MQKPLyXLL.jpg)
![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 2](https://m.media-amazon.com/images/I/61yR-1-S+gL.jpg)
![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 3](https://m.media-amazon.com/images/I/61PHb8DnU4L.jpg)
![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 4](https://m.media-amazon.com/images/I/61T9my5oadL.jpg)
![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 5](https://m.media-amazon.com/images/I/61Un2mpntEL.jpg)

## Available Options

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

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.br/products/635664277-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic](https://www.desertcart.com.br/products/635664277-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-28*