Grizzly   |  Model: G8748
Hand Tapping Machine
Price: $112.95
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Grizzly G8748 - Hand Tapping Machine

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See this item in our 2018 Main Catalog!
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Our G8748 Hand Tapping Machine provides stability, precision and sensitivity to the hand tapping process. The cast iron construction of the base and over-arm gives a rigid setup that resists tool breakage. Precision ground surfaces on the base and hardened spindle means perpendicular perfection; no more off-axis tapped holes. The counter-balanced spindle allows far more sensitivity than an ordinary tap handle.

Other features include: quick setting work holder, 9 tap holders that snap-lock into spindle, rack for tap holders, adjustable height collar and off-set handles for quick return. Can be bolted down to use as a tapping station! Collet sizes include: #6, #8, #10, 1/4", 5/16", 7/16", 3/8", 1/2" and 5/8".


  • Overall dimensions: 22-1/2" x 12-1/2" x 14"
  • Throat capacity: 7-3/8"
  • Height capacity: 7-7/8"
  • Table size: 6-1/2" x 12-1/2"
  • Work holder maximum opening: 6"
  • Approx. Shipping weight: 45 lbs.
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11 Customer Reviews (4.5 out of 5 stars): Sign in to write a review

Great, but mine had a defect. 12/1/2017

This is great addition to my shop. My unit had a defect; the Handle bushing was mis-drilled. I could not insert the tapered pin through the bushing and shaft. Luckily, I have the equipment to properly re-drill the Hande bushing. Now it works great. See the attached photo.

Andrew W

This product is pretty good, but could use one slight improvement. The ring used set the depth stop was turned and has concentric grooves, so when the column moves up and down, the balance shaft wheel doesn't travel smoothly across the ring.

Other than that, it does it's job well. I used it to tap a bunch of 4-40 and 6-32 holes, and it kept the tap vertical, and had excellent feel and feedback.


Bought this product because I had 50 1/2-13 UNC holes to tap as well as 100 1/4-20 UNC. worked like a charm. Every hole straight and true, handle gives good leverage so it is not too hard to turn and then quick to back out of hole. I Would highly recommend!

edward L

product works like expected-very happy with it - saves a lot of time for very little money

Mike E
Good deal 1/27/2017

More than I need for the tasks I normally have, but sufficient for those, tapping up to 1/4-20

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