Technical Tutorial Videos

Bi-Point Gage

This video guides the user on how to find pitch diameter with Greenslade’s Bi-Point Gage.

Tri Rnd Gage

This short tutorial shows the step-by-step process of using this efficient gage.


Protrusion Head Height Gage (PHG)

The Protrusion Head Height Gage (PHG) is a very versatile gage that measures head height of any fastener you need.

Recess TIR Gage: Measuring Concentricity

In this video, we will be demonstrating the process to find recess concentricity, hex head concentricity, and slot concentricity using the Recess TIR Gage.


Tri-roll Gage: External Thread Measurements

In this tutorial, we demonstrate how to find external thread measurements using Greenslade’s Tri-Roll Gage.

Tru Cntr and Elongation Gage Demonstration

Demonstration showing how to use a Tru-Cntr fixture and an elongation gage. These go along with Tencil Testing.


Bolt Length Measurments

Tutorial demonstrating how to measure bolt lengths the easy way. Using 2", 6", and 12" measuring equipment, it is shows how to easily measure fasteners.

Setting Adjustable Ring Gages

Tutorial over how to properly set and tamper-proof adjustable ring gages.


Ductility Test Tutorial

Tutorial on ductility testing.

Wobble Gaging Tutorial

Tutorial on wobble gaging.


Recess Penetration Gaging Tutorial

Tutorial regarding Recess Penetration Gaging.

STF 250: Drive Testing Tutorial

Tutorial on how to preform regular drive tests, and drive torque tests. This is part of the STF 250 series.


STF 250: Recess Strength Testing Tutorial

Tutorial on how to preform a recess strength test. This is part of the STF 250 series.

STF 250: Torsional Strength Testing Tutorial

Tutorial on how to preform a torsional strength test. This is part of the STF 250 series.


Introduction to STF 250

Basic information about Greenslade and Company’s STF 250 by Larry Borowski. What comes with this fixture? What does it do? This is the beginning of the STF 250 series.

STF 250: Hydrogen Embrittlement Tutorial

A tutorial on Hydrogen Embrittlement testing. This is one of the many uses of the STF 250.


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