QLT Insights — Plastic Drilling

The Cost of Cheap Tools: A Workshop Guide to "Cost-Per-Cut"

The Cost of Cheap Tools: A Workshop Guide to "Cost-Per-Cut"

A 2026 Workshop Guide calculating the "Cost-Per-Cut (CPC)" metrics efficiency. If your tool doesn't survive the job, it isn't an asset—it’s an overhead.

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Identifying Your Twist Drill Bit

Identifying Your Twist Drill Bit

Finding the right drill bit for the right speed is what makes the work easy and keeps your tools sharp. This insight identifies what you have and how to use it.

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Cobalt vs HSS

Cobalt vs HSS
With so many Drill Bit options it is hard to decide which is appropriate for the task in hand. This article guide will do a head-to-head comparison between High-Speed Steel (HSS) and Cobalt to determine which is the stronger and more suitable metal material for drill bit tools.

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Core Drills or Hole Saws: What is the difference?

Core Drills or Hole Saws: What is the difference?
Core Drill Bits/Annular Broach Cutters share similarities with Hole Saw Cutters, they both cut a groove around the outside of the hole leaving a solid core or slug in the middle. However, there are differences when it comes to Core Drills vs Hole Saws.

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Blacksmith Drill Bits

Blacksmith Drill Bits

Blacksmith Drill Bits are a type of Twist Drill that is rolled and typically has a reduced shank. These high-performance drill pieces can pierce through tough materials like Cast Iron.

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Hole Saw Guide

Hole Saw Guide
What are Hole Saws? How do you use a Hole Saw? Which materials can they handle? When should you use a Hole Saw Cutter? The ultimate guide on Hole Saw Tools for your DIY small scale jobs or big scale construction Projects.

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How to Choose What Size Drill Bit To Use

How to Choose What Size Drill Bit To Use
Drilling is a must-have skill for both DIY home improvement and large-scale tasks. Therefore, it’s important that you choose the right size bill bit for each drilling task.

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