---
product_id: 42710448
title: "Dewalt DT10640-QZ 6.5\"/20mm 40T Construction Circular Saw Blade"
brand: "dewalt"
price: "$114.04"
currency: USD
in_stock: true
reviews_count: 1
category: "Dewalt"
url: https://www.desertcart.us/products/42710448-dewalt-dt10640-qz-6-5-20mm-40t-construction-circular-saw
store_origin: US
region: United States of America
---

# 2x longer life for max cordless runtime Nail-tough design cuts through embedded nails 40 sharp teeth for precision & durability Dewalt DT10640-QZ 6.5"/20mm 40T Construction Circular Saw Blade

**Brand:** dewalt
**Price:** $114.04
**Availability:** ✅ In Stock

## Summary

> ⚡ Cut smarter, last longer — the ultimate blade for the relentless pro.

## Quick Answers

- **What is this?** Dewalt DT10640-QZ 6.5"/20mm 40T Construction Circular Saw Blade by dewalt
- **How much does it cost?** $114.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/42710448-dewalt-dt10640-qz-6-5-20mm-40t-construction-circular-saw)

## Best For

- dewalt enthusiasts

## Why This Product

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

## Key Features

- • **Built Nail-Tough:** Effortlessly slice through nail-embedded wood without blade damage or slowdown.
- • **Trusted DEWALT Quality:** Backed by a legacy of innovation, this blade delivers professional-grade performance on every job.
- • **Precision Meets Durability:** 40 razor-sharp teeth engineered for smooth, accurate cuts every time.
- • **Optimized for Cordless Efficiency:** Maximize your cordless tool’s battery life with a blade designed for less drag and more work.
- • **Double the Runtime, Double the Power:** Experience 2x the blade life and extended cuts per charge with FlexVolt compatibility.

## Overview

The DEWALT DT10640-QZ is a 6.5-inch, 40-tooth circular saw blade engineered for construction pros seeking maximum cordless runtime and durability. Featuring 2x longer life than standard blades and a nail-tough design, it excels at cutting through nail-embedded wood with precision and efficiency, especially when paired with FlexVolt batteries and tools.

## Description

Raymond E. DEWALT followed in his father's steps, and worked in plants and construction after leaving school. In all fields of work he encountered the issue of high labor costs. To help reduce these costs, whenever possible he installed a machine to handle specific needs. One fine day, M. DEWALT was hired to head a wood mill, manufacturing numerous products, from basic boxes to complete houses. The amount of work exceeded the company's capacity by far, but its owner could not afford to increase the headcount. The only solution was to ensure his men produced more work. M. DEWALT built a yoke, which he connected directly to a motor and a saw. He then fitted it onto a standard arm. The saw could be raised, lowered, moved forward and backward, and adapted to all types of angles. With this system, he could handle the same amount of work as four men, reducing labor costs beyond his wildest imagination.

Review: Absolutely amazing blade! - The best all purpose blade! If you want just 1 super 4x4 blade, this is it!

## Features

- Increased efficiency for maximum cordless run time
- 2x life versus standard construction blades Plus additional runtime/ cuts per charge with flexvolt battery & fv tool)
- Nail tough – perfect for cutting through nail embedded wood

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | DEWALT |
| Color | Black, Yellow |
| Item Thickness | 2E+1 Millimeters |
| Number of Teeth | 40 |
| Product Dimensions | 6.5"L x 6.5"W |
| Style | Circular |

## Product Details

- **Brand:** DEWALT
- **Color:** Black, Yellow
- **Global Trade Identification Number:** 05035048085837
- **Item Thickness:** 2E+1 Millimeters
- **Item Weight:** 93 Grams
- **Number of Teeth:** 40
- **Product Dimensions:** 6.5"L x 6.5"W
- **Style:** Circular

## Images

![Dewalt DT10640-QZ 6.5"/20mm 40T Construction Circular Saw Blade - Image 1](https://m.media-amazon.com/images/I/71dsv26xk7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Absolutely amazing blade!
*by H***A on February 23, 2022*

The best all purpose blade! If you want just 1 super 4x4 blade, this is it!

## Frequently Bought Together

- Dewalt DT10640-QZ Miter Saw Blade 165x20 mm 40T DCS365 Wood
- FOXBC 6-1/2" 56T Carbide-Tipped Track Saw Blade Compatible with Makita B-07353 Plunge Circular Saw, Wen CT1065, Compatible with Makita B-57342, Wen BL655 Saw Blade

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**Shop now:** [https://www.desertcart.us/products/42710448-dewalt-dt10640-qz-6-5-20mm-40t-construction-circular-saw](https://www.desertcart.us/products/42710448-dewalt-dt10640-qz-6-5-20mm-40t-construction-circular-saw)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-17*