Summer 2016 Tool Swap

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Project by ErikF posted 10-07-2016 12:52 PM 789 views 5 times favorited 8 comments Add to Favorites Watch

Here is the marking gauge I built for the recently completed tool swap.

It has a micro adjust feature that allows the user to make fine adjustments to the cutter depth by turning the knurled portion of the gauge.

Here is a video of the gauge.

I first started working on the design for this gauge in 2014 and it took months to nail down a design that worked. It looks similar to the Tite-Mark but the way it works is much different. Instead of opposing threads- this style gauge uses a collar assembly and barrel to make adjustments.

To keep the parts from rotating around the shaft there is a slot machined into the shaft which acts as a guide for the thumb screws. Each screw has it’s tip machined to slide in the shaft groove.

Cutter is O1
Shaft is stainless steel. I also make some of them with titanium shafts and beryllium copper.
Everything else is brass.
Thumb screw is hand engraved by a friend of mine.

Here is a new gauge I finished yesterday. The 1/4” titanium shaft weighs half an ounce so the gauge always feels perfectly balanced…the flat side prevents it from rolling and also allows you to strike a line on 1/8” thick material while leaving it on the bench for support.

Here is the first completed gauge based of my first design. Not pretty but it was a fun build.

-- Power to the people.

8 comments so far

View Boatman53's profile


996 posts in 1614 days

#1 posted 10-07-2016 01:08 PM

Beautiful job Erik. Very inspiring to me a as a hobby machinist.

-- Jim, Long Island, NY home of the chain leg vise

View Matt Hegedus's profile

Matt Hegedus

73 posts in 211 days

#2 posted 10-07-2016 02:33 PM

Very cool! I like the middle one, with the flats face! My round gauge constantly rolls around.

-- From Pittsburgh, PA

View ShaneA's profile


6415 posts in 2016 days

#3 posted 10-07-2016 02:36 PM

Really well done Erik. The fit and finish is top quality. All actions are smooth and well executed.

View ToddJB's profile


6772 posts in 1548 days

#4 posted 10-07-2016 03:39 PM

Solid work, Erik. Your machining skillz never fail to impress.

-- I came - I sawed - I over-built

View bobasaurus's profile


2587 posts in 2602 days

#5 posted 10-07-2016 10:37 PM

Very impressive work, you’re a great machinist.

-- Allen, Colorado

View AgentTwitch's profile


507 posts in 2914 days

#6 posted 10-07-2016 11:09 PM

Not much else to say other than I need to buy one.

-- Regards, Norm

View SteveGaskins's profile


621 posts in 2005 days

#7 posted 10-08-2016 12:48 AM

Very nice Erik. Love this design. As a mechanical engineer who has spent 35+ years with precision measurement tools, I see the quality and craftsmanship which went into the design and build of this gauge.

-- Steve, South Carolina,

View woodcox's profile


1513 posts in 1430 days

#8 posted 10-08-2016 03:15 AM

Fine work Erik. Both of your designs look like a pleasure to use.

-- "My god has more wood than your god" ... G. Carlin.

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