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Deep-Hole Tapping: Into the Abyss?

Deep-Hole Tapping: Into the Abyss?

What tap should be used for deep holes with extra thread length? Why do some applications cause a “No Quote" or “No-Guarantee on Performance” response?

From the perspective of a tap manufacturer, any thread length more than 1-1/2 times diameter is considered “excessive”. It’s a general rule that has been spoken to me for as long as I can remember. It’s a good rule in terms of tap performance. Acceptable strength of thread as determined by . . .

Thread Mills Designed For Aluminum? It's as if we knew aluminum was ubiquitous in the machining world!

Thread Mills Designed For Aluminum

If you have a shop (or a customer) that machines aluminum and aluminum alloys as its go-to substrate, why are you selling/buying general purpose tools?

You are working with the most popular-to-machine material.  How does your company stand out from your competitors who machine aluminum?  

Tags: aluminum, thread mills

The Right Tool For The Job - Why do exotic materials require a different thread mill?

Exotic Thread Mill

If you deal with exotic alloys like Inconel, titanium, Hastelloy, etc., this blog post is written especially for you.

Exotic alloys are alloys designed for high temperature applications (think aerospace), perform in corrosive environments (think underground), or have the highest strength to weight ratios (think earth moving applications). The machinability of these materials is NOT the first consideration. As much as it would be nice to have an aluminum firewall in a helicopter from the machinist’s viewpoint, as the pilot or passenger you want flame retardant and strong.

Tags: exotic alloy, North American Tool, special taps, thread mills

It's Mostly Greek To Me - A Brief History of Screw Threads

Water Screw Illustration

When discussing Screw Threads, it may be helpful to understand a little of the history behind them.

Let’s start with helical forms. Records dating to around 250 BC establish that it was Greek mathematician Archimedes who explained the mechanical principle of the screw as a form of wedge. He went on to formulate the mathematical characteristics of a helix. This was a precursor to the invention of the “water screw”, which provided a means to move water for irrigation, and as a method for... 

North American Tool Appoints Metal Working Solutions

MWS logo

SOUTH BELOIT, IL – JANUARY 2, 2019:  It is with great pleasure North American Tool announces Metal Working Solutions has been appointed as the Independent Manufacturer Representative for North American Tool’s line of special taps, thread mills, dies, and gages for the TOLA Region (Texas, Oklahoma, Arkansas, and Louisiana).

Tags: Metal Working Solutions, North American Tool

Cutting Tap Chamfers 101

Cutting Tap Chamfers 101

Most cutting taps are available in three chamfers. Taper, plug and bottom are how they are referred to in most of the current literature. Why do we choose one over the other and what are the advantages?

Tags: Bottom Tap, Chamfer, Cutting Taps, Plug Tap, Taper Tap

North American Tool "CON-DU-IT" for you!

Rosie the Riveter

North American Tool “CON-DU-IT” for you when you have a thin wall application.

PG Steel Conduit Taps manufactured to DIN 40430 are commonly used for thin wall applications. Typically a conduit type product is where a hose or cable is passed through the center and there is a concern that a standard tap might break through a thin wall.

How is this accomplished? 

Tags: Conduit Taps, North American Tool, PG Tap

Why Is The Premier Manufacturer Of Special Taps Making "Treadmills"? Taps vs. Thread Mills: Things To Consider When Choosing A Tool

Special Taps

Treadmills? If you Google Thread Mills they will offer to “correct” your search to treadmills. Only in the last two months has Google caught on to the term “thread mills” and begun to return websites offering this tool. Google still features a picture of a treadmill to remind you of your potential spelling error.

Tags: special taps, thread mills, treadmills