---
product_id: 450813124
title: "Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture"
brand: "ottymo"
price: "748 kr"
currency: ISK
in_stock: true
reviews_count: 1
url: https://www.desertcart.is/products/450813124-flat-knurled-head-screws-10pcs-m6-x-20-mm-thumb
store_origin: IS
region: Iceland
---

# Knurled flat head for superior hand grip M6 x 20mm precision size Galvanized carbon steel, rust & corrosion resistant Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture

**Brand:** ottymo
**Price:** 748 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Grip it, twist it, own it — the ultimate hand-tightening hero!

## Quick Answers

- **What is this?** Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture by ottymo
- **How much does it cost?** 748 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/450813124-flat-knurled-head-screws-10pcs-m6-x-20-mm-thumb)

## Best For

- ottymo enthusiasts

## Why This Product

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

## Key Features

- • **Clear, Sharp Threads:** Ensures smooth, secure fastening with even force distribution every time
- • **Multi-Use Power Player:** Ideal for machines, furniture, tools, and devices where quick adjustments matter
- • **Ergonomic Knurled Flat Head:** Designed for effortless hand tightening—no tools required, no slipping
- • **Precision Engineered M6 x 20mm:** Perfectly sized for versatile fastening needs without bulk
- • **Durable Galvanized Carbon Steel:** Built to resist rust, corrosion, and extreme temperatures for long-lasting reliability

## Overview

These OTTYMO Flat Knurled Head Thumb Screws come in a pack of 10, crafted from galvanized carbon steel for exceptional strength and corrosion resistance. Sized M6 x 20mm with sharp, clear threads and a flat knurled head, they offer superior grip for easy hand tightening without tools. Perfect for professionals needing quick, reliable fastening in machinery, furniture, and equipment.

## Description

🎥🎥OTTYMO M6x20 mm Round thumb screw---with a flat knurled head, is ideal for thumbscrews ✔️High quality It is made from galvanised carbon steel, these thumb screws are strong and durable. ✔️Extra handle Knurled screws with flat knurled head provide additional grip when tightening by hand.  ✔️Easy to use: The thumb screws must be tightened and loosened by hand, the manual driving is easier. There are three models to choose from.  ✔️Wide range of applications Widely used for electrical appliances, tools and cars, where screws often need to be tightened and loosened. 🔰Specification - Brand: OTTYMO -Material: galvanised steel -Design: knurled hand suit -Size: M6*20mm -Colour: silver. Packing Includes 10 x thumb screws M6  If you have any questions, please feel free to contact us. We will do our best to give you the best experience.

## Features

- 【High-quality Carbon Steel Material】----The thumb screw is made of high-strength carbon steel with galvanized surface, which has good mechanical properties such as rust resistance, corrosion resistance, heat resistance, low temperature resistance, high strength, and durability.
- 【Clear and Sharp Threads】----The screw thread of the thumb screw is clear, the force is evenly rotated, and it is not easy to slip, and the fixing and adhesion effect is good. Tightly molded metal screws ensure optimum durability and functionality.
- 【Non-slip Knurled Edges, Easy Tightening】---- Thumb screws with knurled heads provide extra grip for hand tightening. The wavy edge is designed to be tightened and loosened by hand, making it easier to actuate by hand and can be installed without tools.
- 【Right Screw size】-----The package contains 10 M6 knurled carbon steel screws, the screw head diameter is 20mm, the total thread length is 32mm, and the head height is about 12mm. It is easy to carry and does not take up space. It is an ideal hand screw size.
- 【Wide Range of Applications】---- Hand-made thumbscrews are suitable for mechanical equipment, tools, automobiles, instrumentation, industrial equipment, household appliances, furniture manufacturing, and testing equipment, where screws need to be loosened frequently.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | OTTYMO |
| Part number | OTTYMO |
| Item Weight | 200 g |
| Manufacturer reference | OTTYMO |
| Colour | Silver |
| Material | Alloy Steel, Carbon Steel, Zinc |
| Number of Pieces | 10 |
| Head Style | Flat |
| Cutting Diameter | 5.15 Millimetres |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 5.15 Millimetres |

## Product Details

- **Material:** Alloy Steel, Carbon Steel, Zinc
- **Head style:** Flat
- **Exterior finish:** Zinc
- **Thread size:** M6
- **Point style:** Flat Point

## Images

![Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture - Image 1](https://m.media-amazon.com/images/I/51+Uf2j0OXL.jpg)
![Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture - Image 2](https://m.media-amazon.com/images/I/51+KT-bZTsL.jpg)
![Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture - Image 3](https://m.media-amazon.com/images/I/711ruHTgJoL.jpg)
![Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture - Image 4](https://m.media-amazon.com/images/I/61DiUYMpueL.jpg)
![Flat Knurled Head Screws 10Pcs M6 x 20 mm Thumb Screws Zinc Plated Carbon Steel Thumb Screw Flat Knurled Head Bolts Fastener Grip Thumb Screw Suitable for Machines Devices Furniture - Image 5](https://m.media-amazon.com/images/I/61uNMLjeSCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    perfect - just the job
  

*by T***S on Reviewed in the United Kingdom on 21 August 2022*

These special screws are ideal when making special tools and instruments / jigs etc.  ready made and well finished saves turning a special on the lathe and gets the job done quicker with a pro finish.  also, anticorrosion , an added bonus.  perfect !!

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-18*