ToolGuyd

Tool Reviews, New Tool Previews, Best Tool Guides, Tool Deals, and More!

  • New Tools
  • Reviews
  • Guides
    • Best Cordless Power Tool Brand
    • Tool Brands: Who Owns What?
    • Best Cordless Drills (2021)
    • Dewalt UWO Explained
    • Where to Buy Tools
    • Best Tool Kit Upgrades
    • Best Extension Cord Size
    • Best Tape Measure
    • Best Safety Gear
    • Best Precision Screwdrivers
    • Best Tool Brands in Every Category
    • Ultimate Tool Gift Guide
    • More Buying Guides
  • Hand Tools
    • Bit Holders & Drivers
    • EDC, Pocket, & Multitools
    • Electrical Tools
    • Flashlights & Worklights
    • Knives
    • Mechanics’ Tools
    • Pliers
    • Screwdrivers
    • Sockets & Drive Tools
    • Wrenches
    • All Hand Tools
  • Power Tools
    • Accessories
    • Cordless
    • Drills & Drivers
    • Oscillating Tools
    • Saws
    • Woodworking Tools
    • All Power Tools
  • Brands
    • Bosch
    • Craftsman
    • Dewalt
    • Makita
    • Milwaukee
    • Ryobi
    • All Brands
  • USA-Made
  • Deals
ToolGuyd > Tool Science 101
Craftsman Overdrive 180T Ratchet Head Internal Closeup

Mechanics' Tools

Dual Pawl Ratchet Teardown – How it Works

Mar 26, 2025 Stuart 27 Comments

Here’s a look inside a dual pawl ratchet.

Dewalt PowerPack Tabless Cell Battery Teardown Render

Batteries

Tabless Power Tool Batteries – Simplified Basics

Feb 24, 2025 Stuart 37 Comments

Let’s talk about what “tabless” really means.

Phillips Screw and Driver Patent Art Closeup

Editorial

The Truth About Phillips Screws

Feb 12, 2025 Stuart 55 Comments

Let’s debunk a common myth.

Dewalt Cordless Power Tool Motor Assembly Core

Cordless

Dewalt Cordless Power Tools, UWO, and Torque – Here’s What it all Really Means

Jun 25, 2024 Stuart 102 Comments

Here’s a long take at Dewalt’s UWO and what it means.

Dewalt DCBP034 20V Max Compact PowerStack Battery Before and After XR Rebrand

Batteries

Dewalt XR Batteries – What Does this Mean?

Jun 24, 2024 Stuart 41 Comments

Hopefully this eases some confusion.

Milwaukee Forge Battery Not Equal to Pouch Cell Thumnbail

Cordless

Next Milwaukee Forge Battery Won’t Have Pouch Cells

Jun 7, 2024 Stuart 22 Comments

The next Milwaukee Forge battery won’t have pouch cells.

Milwaukee M18 Forge XC 6Ah Battery

Cordless

Milwaukee Pipeline Primer: M18 Forge Batteries

Jun 6, 2024 Stuart 65 Comments

Let’s dig into 16 years of Milwaukee M18 cordless battery tech!

Ridgid R86116 Black Friday 2018 Cordless Drill Speed Selector Switch and Side Handle Attachment

Drills & Drivers

Why High-Torque Cordless Drills Come with a Side Handle

Jul 31, 2023 Stuart 23 Comments

Let’s talk about side handles.

Anvil Tape Measure Markings with Calipers Check

Precision Tools

A Mil is Not a Millimeter

Jul 14, 2023 Stuart 94 Comments

Let’s talk about mils!

Milwaukee Tool Cordless Drill Comparison 2023

Tool Science 101

How to Read a 2-Axis Bar Graph

Jul 7, 2023 Stuart 30 Comments

Hopefully this will get everyone on the same page.

Dewalt PowerStack 5Ah Battery

Batteries

Comparing Power Tool Battery Specs – Watt-Hours vs Amp-Hours

Apr 26, 2023 Stuart 39 Comments

Tool users need to start thinking in terms of watt-hours, not amp-hours.

Dewalt 20V 10Ah vs FlexVolt 9Ah Batteries

Cordless

Dewalt 20V Max 10Ah vs. FlexVolt 9Ah Batteries

Oct 7, 2021 Stuart 48 Comments

Here’s a long explanation of how two Dewalt batteries theoretically compare.

Dewalt Milwaukee Cordless Power Tool Battery April Fools 2019

Cordless

Where Will Cordless Power Tools go Next?

Aug 6, 2021 Stuart 67 Comments

Cordless power tools have seen a lot of upgrades over the years – what comes next?

Milwaukee 25-foot Stud Tape Measure Features

Editorial

Deciphering Dewalt and Milwaukee Tape Measure Drop Rating Claims

Jul 11, 2021 Stuart 20 Comments

A reader’s comment has me thinking about tape measure drop ratings.

Makita XGT 40V Max Cordless Power Tool Battery 2-5Ah

Cordless

Makita XGT 40V Max Battery Tech Explained

Apr 1, 2021 Stuart 25 Comments

Let’s do a deep-dive into how Makita can have a 40V Max battery in an 18V form factor.

Stiletto TiBone 3 Titanium Hammer Nail-Starting Closeup

Editorial

Let’s Talk About Modern High Velocity Hammers

Jan 7, 2021 Stuart 101 Comments

Why are lighter high performance hammers claimed to be as hard-hitting as heavier hammers?

Vacuum Hose Size Comparison

Editorial

Vacuum Hose Size Comparison

Aug 8, 2018 Stuart 26 Comments

When comparing vacuum hose sizes, did you know that a 2-1/2″ hose has 4X the cross section compared to a 1-1/4″ hose?

Milwaukee Packout with melted Kaizen foam

Editorial

Why Clear-Lidded Organizers Shouldn’t be Left in the Sun

Jul 20, 2018 Benjamen 51 Comments

Follow down the rabbit hole as Ben and Stuart investigate reports of Kaizen foam melting in clear-lidded tool boxes.

Bosch ProCore 18V 7Ah Battery Pack

Cordless

Revisiting What an Amp-Hour Means for Cordless Power Tool Batteries

Mar 2, 2018 Stuart 44 Comments

So, you want to know more about cordless power tool battery packs?

Milwaukee M18 TrueView LED Lantern Beam Pattern

Cordless

Milwaukee LED “TRUEVIEW” Technology Explained

Oct 3, 2014 Stuart 8 Comments

Here’s a look at some of the technical figures behind Milwaukee’s TRUEVIEW LED claims.

  • 1
  • 2
  • Next Page »
  • Email
  • Facebook
  • Instagram
  • YouTube

Newsletter

Sign up to receive the latest tool news.

Recent Comments

  • Stuart on Do You Have a Go-To Retaining Compound?: “You might want to double check with Loctite – they should be able to recommend application-specific compounds.”
  • Bob Margraf on Do You Have a Go-To Retaining Compound?: “Will Loctite 660 help a worn spline shaft”
  • S on New at Lowe’s: Rainbow Kobalt Hex Keys: “I’ve been using the harbor freight colored sockets full time for past few years. I really like the color associations.…”
  • Rob on No Good News for Dewalt Xtreme Cordless Power Tool Fans: “12v extreme dewalt is a shinning example as to why I don’t buy Dewalt anymore. 12v, (pod style), 12v(slide) 14.4v,…”
  • Shauna on These Mini Stackable Organizer Tool Boxes Look Better than Dewalt’s: “Was thinking same thing”
  • Stuart on Home Depot Follows July 4th with New Tool Deals (7/5/25): “The one-day deals ended yesterday, but there are bound to be more.”

Recent Posts

  • Home Depot Follows July 4th with New Tool Deals (7/5/25)
  • New at Lowe's: Rainbow Kobalt Hex Keys
  • Patent Dispute Over Dewalt Construction Jack has been Settled
  • Dewalt Launched a New 20V Atomic Cordless Hammer Drill Kit
  • Let's Talk About Amazon's USB-Charged Cordless Mini Chainsaw
  • These Mini Stackable Organizer Tool Boxes Look Better than Dewalt's
  • Amazon has a Name Brand Bit Ratchet Set for Surprisingly Cheap
  • Dewalt Launched 4 New Cordless Drill and Impact Combo Kits
ToolGuyd New Tool Reviews Image

New Tool Reviews

Buying Guides

  • Best Cordless Drills
  • Best Euro Hand Tool Brands
  • Best Tool Brands
  • Best Cordless Power Tool Brands
  • Tools for New Parents
  • Ultimate Tool Gift & Upgrade Guide
ToolGuyd Knife Reviews Image

Knife Reviews

ToolGuyd Multi-Tool Reviews Image

Multi-Tool Reviews

ToolGuyd LED Flashlight and Worklight Reviews Image

LED Light Reviews

  • Home
  • About
  • Contact
  • Stores
  • Videos
  • AMZN Deal Finder
  • Privacy Policy
  • Terms of Use
  • Disclosure