Tap and Screw Jig Tutorial #1: Intro/Screw Dimensioning

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Blog entry by CartersWhittling posted 1012 days ago 14423 reads 76 times favorited 49 comments Add to Favorites Watch
no previous part Part 1 of Tap and Screw Jig Tutorial series Part 2: Starting the Tap »

Hello. This is a new blog series I am doing. The topic is how to make a tap and screw jig for making large wooden screws.

To start I will say that I hope many of the readers find this series useful because they can use the knowledge to make their own screws and nuts for clamps, vises, presses, etc… It took my friend and I hours upon hours, spread over months to finally get a functioning tap and screw jig. So my purpose in writing this blog is to give other woodworkers the proper instruction on how to make a perfectly functioning tap and screw jig without needing to do the hours of research and testing.

I do not have much to say outside of the video that I made to start the series. In the video I go over some uses for wooden screws, how to choose the diameter of the screw, and the thread pattern. In the next video I will physically start work on the tap. The tap and screw jig I will be making during the tutorial series will make a 1” diameter screw with 4 teeth per inch. But like I mention in the video you can use the exact same process to make any size screw you want, all you need to do is change the dimensions.

This is a picture of a 2 1/2” diameter wood screw with 2 teeth per inch that I made using the same tools we will be making in this tutorial.

-- And whatsoever ye do, do it heartily, as to the Lord... Colossians 3:23

49 comments so far

View interpim's profile


1132 posts in 2095 days

#1 posted 1012 days ago


-- San Diego, CA

View SASmith               's profile


1578 posts in 1624 days

#2 posted 1012 days ago

Looking forward to this series.
Thanks for sharing.

-- Scott Smith, Southern Illinois

View AgentTwitch's profile


121 posts in 2133 days

#3 posted 1012 days ago

I will be following this blog series very closely. Great info

-- Regards, Norm

View MShort's profile


1726 posts in 2055 days

#4 posted 1012 days ago

AWESOME !!! I look forward to this blog..

-- Mike, Missouri --- “A positive life can not happen with a negative mind.” ---

View Dennisgrosen's profile


10850 posts in 1752 days

#5 posted 1012 days ago

great start on this serie ….
looking forward to see the rest of the toturials
thanks for taking your time to make and share it :-)


View Lifesaver2000's profile


512 posts in 1749 days

#6 posted 1012 days ago

I agree with the above, this looks to be a good start to an interesting series. I could use at least a couple of these wooden screws.

View jeth's profile


210 posts in 1475 days

#7 posted 1011 days ago

Great vid but about a week late posting it for me I’m afraid. I just ordered a wood thread cutting tap/die kit…

I had followed your bench blog and forgot about your shop made version. The information could still be useful though. I was also wanting to make a left hand threaded screw and nut and I don’t think a left hand wood cutting tap & die set is commercially available.

Look forward to the next installment.

View SeaWitch's profile


149 posts in 1031 days

#8 posted 1011 days ago

That’s great. Looking forward to the next instalments. Thanks for sharing with the rest of us.

-- When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.”   Theodore Roosevelt

View Jorge G.'s profile

Jorge G.

1526 posts in 1112 days

#9 posted 1011 days ago

Great! Looking foward to learn how to make them screws, always wondered how they were done.

-- To surrender a dream leaves life as it is — and not as it could be.

View nobuckle's profile


1120 posts in 1398 days

#10 posted 1011 days ago

Thank you for posting this video. It came at an opportune time. I have recently embarked on the journey to understand how to make wooden theads. I had considerd making a thread box but wasn’t sure how to do it. I will be following this series very closely.

-- Doug - Make an effort to live by the slogan "We try harder"

View djwong's profile


132 posts in 1856 days

#11 posted 1011 days ago

This is really very generous of you to take the time to make these videos and to share this information. Nothing beats seeing someone demonstrate a technique for it to really sink in. Let me add my thanks to you for this tutorial.

-- David W. Cupertino, CA

View hhhopks's profile


564 posts in 1014 days

#12 posted 1011 days ago

Any suggestions on wood type to be used for the screw and nut?

-- I'll be a woodworker when I grow up. HHHOPKS

View CartersWhittling's profile


451 posts in 1311 days

#13 posted 1011 days ago

Any hardwood would probably be fine. I use hard maple.

-- And whatsoever ye do, do it heartily, as to the Lord... Colossians 3:23

View Julian's profile


507 posts in 1327 days

#14 posted 1011 days ago

Great first video on this topic. This will be much better than what was shown on an older episode of the WoodWright’s Shop. Thanks,

-- Julian

View blyther's profile


66 posts in 1747 days

#15 posted 1009 days ago

Thanks for the Video!
Looking forward to the rest of the information.

-- Paul, Winterset Iowa,

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