---
product_id: 470234112
title: "Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement"
brand: "tenalleys"
price: "S$16"
currency: SGD
in_stock: true
category: "Tenalleys"
url: https://www.desertcart.sg/products/470234112-tenalleys-thread-replacement-star-hand-knob-clamping-screw-knob-hand
store_origin: SG
region: Singapore
---

# Ergonomic star-shaped grip M8x40mm precision thread Galvanized steel stud for durability Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement

**Brand:** tenalleys
**Price:** S$16
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your grip game with Tenalleys – where durability meets effortless style!

## Quick Answers

- **What is this?** Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement by tenalleys
- **How much does it cost?** S$16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/470234112-tenalleys-thread-replacement-star-hand-knob-clamping-screw-knob-hand)

## Best For

- tenalleys enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Galvanized steel stud with a smooth plastic head offers high hardness and long-lasting durability for daily use.
- • **Bulk Pack Convenience:** Set of 5 knobs lets you upgrade your workspace or share with friends, so you’re always prepared.
- • **Perfect Fit Precision:** M8 x 40mm thread size fits standard machinery and umbrella bases, ensuring seamless replacements every time.
- • **Versatile Application:** Ideal for machine tools, furniture, and patio umbrella stands—your go-to replacement for multiple needs.
- • **Effortless Hand Tightening:** Star-shaped knob design ensures a secure grip without tools, saving you time and hassle.

## Overview

The Tenalleys Thread Replacement Star Hand Knob features a durable M8x40mm galvanized steel stud with a smooth plastic star-shaped head for easy, tool-free tightening. Designed for versatile use in machinery, furniture, and umbrella bases, this pack of 5 ensures reliable, long-lasting performance and a perfect fit for standard M8 threads.

## Description

Buy Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement: Star Knobs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Products include: you will get 5 Pieces M8x40mm hand knob tightening screw, these replacement knob can meet your daily life needs, you can also share them with your friends.
- High-Quality Material:Our screw head is made of plastic, the stud is made of high quality steel, the surface is galvanized, the whole is smooth and not thorny, high hardness, durable and strong, it can be used for a long time.
- Size:the M8 x 40mm thread clamping knob thread Length : 40mm/1.57inch ;Thread Diameter : M8(8mm)/0.31inch, Head Size : 38 x 38 x 20mm / 1.49" x 1.49" x 0.78" (LWT), please check the size before purchase.
- Easy to Use:these umbrella base screw knob are easy to replace,and no extra tool required; This product is to be used with M8 thread or 8.5-10MM/ 0.35-0.4in diameter hole
- Wide Application:These M8 threaded knob is easy to install and remove, just manually rotate to install, they are widely used in machinery and industrial equipment, furniture decoration, patio umbrella stand screw knob replacement, it is an ideal replacement accessory in your daily life.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B776PQB3 |
| Best Sellers Rank | #125,952 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #85 in Star Knobs |
| Brand | Tenalleys |
| Color | Black |
| Compatible Groove Diameter | 0.39 inches |
| Customer Reviews | 4.0 4.0 out of 5 stars (65) |
| Fastener Type | Screw |
| Finish Types | Smooth |
| Grade Rating | industrial |
| Included Components | Screw |
| Item Diameter | 8 millimeters |
| Item Dimensions | 1.57 x 0.31 x 0.01 inches |
| Item Shape | Star |
| Item Weight | 5.6 ounces |
| Manufacturer | Tenalleys |
| Material Type | Alloy Steel, Plastic |
| Number Of Items | 5 |
| Number of Pieces | 5 |
| Outside Diameter | 8 millimeters |
| Part Number | 600240 |
| Screw Head Style | Star |
| Set Name | 5-Piece Star Hand Knob Screw Set |
| Size Name | One Size |
| Thread Size | M8x40mm |
| Unit Count | 5 Count |

## Product Details

- **Brand:** Tenalleys
- **Color:** Black
- **Item dimensions L x W x H:** 1.57 x 0.31 x 0.01 inches
- **Material:** Alloy Steel, Plastic
- **Size:** One Size

## Images

![Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement - Image 1](https://m.media-amazon.com/images/I/61F801UgA2L.jpg)
![Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement - Image 2](https://m.media-amazon.com/images/I/41OutKUedeL.jpg)
![Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement - Image 3](https://m.media-amazon.com/images/I/41vv0PeC90L.jpg)
![Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement - Image 4](https://m.media-amazon.com/images/I/51dXN0E3jIL.jpg)
![Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement - Image 5](https://m.media-amazon.com/images/I/41d1Pbp2vDL.jpg)

## Frequently Bought Together

- Tenalleys Thread Replacement Star Hand Knob Clamping Screw Knob Hand Tightening Knob for Machine Tool and Umbrella Base Replacement
- 2 Pack Quick Release Pin, Diameter 1/4"(6.3mm), Total Length 3"(76mm), Effective Length 2.4"(61mm), Full 316 Stainless Steel, Bimini Top Pin, Marine Hardware

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**Shop now:** [https://www.desertcart.sg/products/470234112-tenalleys-thread-replacement-star-hand-knob-clamping-screw-knob-hand](https://www.desertcart.sg/products/470234112-tenalleys-thread-replacement-star-hand-knob-clamping-screw-knob-hand)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-11-14*