---
product_id: 538141661
title: "M8 x 40mm Thread Star Knob 2Pcs, Plastic Star Shaped Clamping Knob Handle Hand Tightening Screw for Umbrella Base Replacement"
brand: "lifcratms"
price: "E£ 974"
currency: EGP
in_stock: true
url: https://www.desertcart.com.eg/products/538141661-m8-x-40mm-thread-star-knob-2pcs-plastic-star-shaped
store_origin: EG
region: Egypt
---

# Ergonomic star-shaped grip M8 x 40mm precision thread Durable zinc-plated carbon steel M8 x 40mm Thread Star Knob 2Pcs, Plastic Star Shaped Clamping Knob Handle Hand Tightening Screw for Umbrella Base Replacement

**Brand:** lifcratms
**Price:** E£ 974
**Availability:** ✅ In Stock

## Summary

> ⭐ Tighten with style, grip with confidence! 🔩

## Quick Answers

- **What is this?** M8 x 40mm Thread Star Knob 2Pcs, Plastic Star Shaped Clamping Knob Handle Hand Tightening Screw for Umbrella Base Replacement by lifcratms
- **How much does it cost?** E£ 974 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/538141661-m8-x-40mm-thread-star-knob-2pcs-plastic-star-shaped)

## Best For

- lifcratms enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Galvanized zinc plating and carbon steel core deliver corrosion resistance and long-term durability.
- • **Double the Value:** Two knobs included—perfect for quick replacements or multiple projects, so you never miss a beat.
- • **Comfort Meets Control:** Smooth, burr-free finish and deep threads provide a secure, slip-free grip every time.
- • **Effortless DIY Upgrade:** Ergonomic star design lets you tighten with just your fingers—no tools needed.
- • **Precision Fit for Versatility:** M8 x 40mm threading ensures seamless compatibility with umbrella bases, speaker stands, and more.

## Overview

The LifCratms M8 x 40mm Thread Star Knob set features ergonomic star-shaped plastic handles with durable zinc-plated carbon steel screws. Designed for easy hand tightening without tools, these knobs fit a wide range of applications including umbrella bases and industrial equipment. Their smooth finish and deep threading ensure a secure, comfortable grip, making them an essential upgrade for DIY enthusiasts and professionals alike.

## Description

Full description not available

## Features

- 【The Size You Will Get】 Thread size: M8 x 40mm / 0.31'' x 1.57''(D x L), M8 Head Dia (Approx): 39mm / 1.53'', please check the thread you need before buying Size, male knob is ideal for DIY projects and home repairs
- 【Quick & Easy Installation】 No hardware required, this male threaded knobs adopts special star design, comfortable in hand, ergonomic, easy to turn with just your fingers, will not scratch your hand.Come together to diy and install these star knobs into your threaded holes
- 【High-Quality Material】 The screw is smooth and burr-free overall, comfortable to hold, the thread is deep and complete and clear, the force is even and not slippery, the stud is made of carbon steel, the surface of the screw is galvanized process, uniform plating, high hardness, durable
- 【Wide Scope of Application】 M8 threaded knob Suitable for speaker stands, automotive, woodworking fixtures, industrial instruments and other machinery and equipment, workbenches or benches, is the best choice for clamping operations, industrial equipment, is your daily life to replace the tightening screw
- 【100% Risk-Free Shopping】 If there are any quality problems with our products, please contact us via desertcart email as soon as possible. We will sincerely serve you within 31 hours and give you a satisfactory solution. Please rest assured to order, we wish you a happy shopping experience

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Carbon Steel, Metal, Plastic |
| Brand | LifCratms |
| Color | Black |
| Product Dimensions | 1.57"L x 0.31"W |
| Exterior Finish | Zinc |
| Special Feature | Durable, Easy to Install |
| Included Components | Knob, Lock |
| Theme | Star |
| Item Weight | 2.08 ounces |
| Metal Type | Zinc Plated |
| Handle Material | Alloy Steel, Zinc |
| Hand Orientation | Ambidextrous |
| Unit Count | 2.0 Count |
| Number of Items | 2 |
| Manufacturer | LifCratms |
| Handle Attachment Mechanism | Threaded |
| Part Number | SUIBMTSK008 |
| Item model number | SUIBMTSK008 |
| Size | M8 x 40mm |
| Finish | Smooth |
| Number Of Pieces | 2 |
| Special Features | Durable, Easy to Install |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Carbon Steel, Metal, Plastic
- **Brand:** LifCratms
- **Color:** Black
- **Product Dimensions:** 1.57"L x 0.31"W
- **Exterior Finish:** Zinc

## Images

![M8 x 40mm Thread Star Knob 2Pcs, Plastic Star Shaped Clamping Knob Handle Hand Tightening Screw for Umbrella Base Replacement - Image 1](https://m.media-amazon.com/images/I/61IUcaI1tfL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: What is the thread pitch?**
A: Hello,
Thank you for your question.
The thread pitch of "M10 x 30mm Thread Star Knob" is 1.5mm.
Best Regards

**Q: What is the thread pitch of the M8x40?**
A: Hello，
Thank you for your question.
The thread pitch of the M8x40 is about 1.25mm.
Best Regards

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**Shop now:** [https://www.desertcart.com.eg/products/538141661-m8-x-40mm-thread-star-knob-2pcs-plastic-star-shaped](https://www.desertcart.com.eg/products/538141661-m8-x-40mm-thread-star-knob-2pcs-plastic-star-shaped)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-02-25*