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

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Blog entry by CartersWhittling posted 11-25-2011 03:28 AM 16145 reads 78 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


1133 posts in 2209 days

#1 posted 11-25-2011 03:33 AM


-- San Diego, CA

View SASmith               's profile


1637 posts in 1738 days

#2 posted 11-25-2011 03:37 AM

Looking forward to this series.
Thanks for sharing.

-- Scott Smith, Southern Illinois

View AgentTwitch's profile


209 posts in 2247 days

#3 posted 11-25-2011 03:46 AM

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

-- Regards, Norm

View MShort's profile


1729 posts in 2169 days

#4 posted 11-25-2011 04:42 AM

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 1866 days

#5 posted 11-25-2011 04:47 AM

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


524 posts in 1863 days

#6 posted 11-25-2011 05:09 AM

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 1589 days

#7 posted 11-25-2011 05:31 AM

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 1145 days

#8 posted 11-25-2011 08:29 AM

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 1226 days

#9 posted 11-25-2011 08:54 AM

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 1512 days

#10 posted 11-25-2011 05:20 PM

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


143 posts in 1970 days

#11 posted 11-25-2011 08:34 PM

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


565 posts in 1128 days

#12 posted 11-25-2011 08:46 PM

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 1425 days

#13 posted 11-25-2011 09:52 PM

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


559 posts in 1441 days

#14 posted 11-26-2011 03:05 AM

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 1861 days

#15 posted 11-28-2011 04:43 AM

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

-- Paul, Winterset Iowa,

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