---
product_id: 353894875
title: "Openfly 28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw, Thread Clamping Knob Quick Removal Replacement Parts with Nuts and Washers Stainless Steel Hex Nuts Star Knobs Assortment Kit"
brand: "openfly"
price: "HK$213"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/353894875-openfly-28-sets-m4-m5-m6-m8-star-hand-knob
store_origin: HK
region: Hong Kong
---

# M4-M8 sizes Durable materials 84-piece kit Openfly 28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw, Thread Clamping Knob Quick Removal Replacement Parts with Nuts and Washers Stainless Steel Hex Nuts Star Knobs Assortment Kit

**Brand:** openfly
**Price:** HK$213
**Availability:** ✅ In Stock

## Summary

> 🔧 Tighten Up Your Projects with Style!

## Quick Answers

- **What is this?** Openfly 28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw, Thread Clamping Knob Quick Removal Replacement Parts with Nuts and Washers Stainless Steel Hex Nuts Star Knobs Assortment Kit by openfly
- **How much does it cost?** HK$213 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/353894875-openfly-28-sets-m4-m5-m6-m8-star-hand-knob)

## Best For

- openfly enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Sizing:** Includes M4, M5, M6, and M8 star knobs for all your needs.
- • **Widely Applicable:** Perfect for furniture, electronics, and mechanical setups.
- • **User-Friendly Design:** Hex-shaped knobs for easy grip and quick installation.
- • **Convenient Assortment:** 28 sets of knobs, nuts, and washers to tackle any project.
- • **Quality You Can Trust:** Crafted from wear-resistant PP plastic and zinc-plated steel.

## Overview

The Openfly28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw kit includes 28 sets of high-quality star knobs, nuts, and washers, designed for versatility and durability. Made from premium materials, this assortment is perfect for securing various jigs and fixtures across multiple applications, ensuring you have the right tool for every job.

## Description

Openfly 28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw, Thread Clamping Knob Quick Removal Replacement Parts with Nuts and Washers Stainless Steel Hex Nuts Star Knobs Assortment Kit

## Features

- Package Contents：10pcs M4 x 40mm star knob screw, 10pcs M5 x 40mm star knobs, 4pcs M6 x 40mm star knob, 4pcs M8 x 40mm star knob screw, 28pcs matching fasten nuts and 28pcs flat washers. A total of 28 sets of clamping handle male screw knobs can meet your different needs.
- Sizes Details: Thread size of hand tightening knob is M8x40mm, M6x 40mm, M5x 40mm, M4x 40mm. The head diameter of M8 star knob approx. 32mm, and the head diameter of M4/ M5/ M6*40 clamping screw knobs approx. 25mm. Please refer to the second picture for more size details.
- Quality Material: The head of clamping screw knob is made of PP plastic, and the stud is made of quality steel with zinc plating on the surface, which is wear corrosion resistance, makes these thread replacement star hand knob tightening screw have a long service life.
- Easy to Use: Thread replacement star hand knob adopts a hex-shaped design with smooth surface, easy to grip, install and remove, woodworking jig knobs matched hex nuts and washers well, definitely bring great convenience to your life.
- Widely Used: Star Knobs with threaded studs perfectly helping to secure various jigs and fixtures, can be widely used in furniture decoration, umbrella base, electronic equipment, mechanical equipment stand and other related industries. Please verify the size you need before ordering.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Openfly |
| Part Number | OP032hex-nuts |
| Item Weight | 11.3 ounces |
| Product Dimensions | 1.57 x 0.98 x 0.98 inches |
| Country of Origin | China |
| Size | One Size |
| Style | hex Star Knobs |
| Finish | Smooth |
| Material | PP plastic, steel with zinc plating |
| Shape | M6 |
| Number Of Pieces | 84 |
| Head Style | Flat, Hex |
| Handle Material | Zinc, Alloy Steel |
| Measurement System | Metric, Imperial |
| Special Features | threaded Star Knobs |
| Usage | secure various jigs and fixtures |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | no |

## Product Details

- **Material:** PP plastic, steel with zinc plating
- **Drive System:** External Hex, Torx
- **Head Style:** Flat, Hex
- **Item dimensions L x W x H:** 1.57 x 0.98 x 0.98 inches
- **Exterior Finish:** steel with zinc plating

## Images

![Openfly 28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw, Thread Clamping Knob Quick Removal Replacement Parts with Nuts and Washers Stainless Steel Hex Nuts Star Knobs Assortment Kit - Image 1](https://m.media-amazon.com/images/I/71Vd1qc3dAL.jpg)

## Frequently Bought Together

- Openfly 28 Sets M4 M5 M6 M8 Star Hand Knob Tightening Screw, Thread Clamping Knob Quick Removal Replacement Parts with Nuts and Washers Stainless Steel Hex Nuts Star Knobs Assortment Kit
- URLWALL 165PCS Threaded Inserts Nuts, Wood Insert Assortment Tool Kit, M4/M5/M6/M8 Furniture Screw in Nut Wood Inserts Metric Bolt Fastener Hex Socket Drive for Wood Furniture Assortment

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**Shop now:** [https://www.desertcart.hk/products/353894875-openfly-28-sets-m4-m5-m6-m8-star-hand-knob](https://www.desertcart.hk/products/353894875-openfly-28-sets-m4-m5-m6-m8-star-hand-knob)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-28*