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Your cart is empty.Hardened and precision Ground on all 6 sides of each block. Accuracy with Squareness on all sides within .0001 per inch. 23 holes consist of 5 (3/8"-16) tapped holes for clamping and 18 untapped holes drilled . Supplied with fitted case. INCLUDES: Matched pair of 1-2-3 blocks with 23 holes, 5pc of 3/8 -16 Socket Screws, Hex key.
Jeff W.
2025-08-23 15:06:33
Accuracy was within exact tolerance as described!!!
CWS
2025-07-08 17:44:26
I recently purchase these to assist with machine setup in my workshop. They are accurate as advertised, the holes are properly threaded and the included hardware threads nicely. The case is more than adequate and a nice addition.Shipment was quick and on schedule and I'm quite happy with these.
Heavy Haul
2025-07-07 11:15:07
Nothing bad to report just didn’t need it
Michael Lanasa
2025-06-29 17:24:11
Although the finish and squareness seems good, the screw hole countersinks and threads are unacceptably rough. Contrary to some reviews (likely describing an older version), these blocks cannot be screwed together in a 90 degree "L" shape because the unthreaded bores are not cut with relief for allowing the screw head to pass into the block. This is a basic 1-2-3 block use case, and I'm disappointed that such an inadequate design was considered.I also emailed the vendor directly, giving them an opportunity to remediate the issue without needing a return, but I have not received a response. As of 3/23, I haven’t received any acknowledgment from the vendor after 3 emails. Their lack of product quality and customer service is astounding. Please steer clear of this company, as cheaper and higher quality alternatives exist.
Mark D.
2025-06-27 16:10:33
I bought these blocks specifically based on the reviews that said you could bolt them together and that the non-threaded holes were large enough to pass the bolts through (as is supposed to be the design for these). Well I received these today and the non-threaded holes are NOT large enough to pass the bolts through. This greatly limits the ways you can configure these when bolting together. I will be returning. I did give them 2 stars because the case closes nicely and aside from not being designed properly, the blocks are sent oiled as to not rust and otherwise seem to be of acceptable quality.
Leon
2025-06-26 12:30:32
i'm returning them. I knew something was wrong when I received them in the Red case... when I ordered the ones with the blue case. But you can't bolt these together except on the large surfaces. There are no threads on the ends or sides, only on the 15 hole sides. Useless.
Gravely
2025-06-17 12:42:06
Exact dimensions needed for quick set ups in the shop.Didn't care for excess oil.
Fabrication nut
2025-03-13 16:34:06
work ok but they would not bolt together without some modifications
M & M
2024-12-30 18:25:20
The title essentially says it all. The blocks arrived exactly as pictured, finely wrapped in oiled paper and measure well within the specified tolerance.As other reviewers have mentioned, the through holes would need to be reamed out slightly in order for the cap screws to pass through them should you require that for your jigs, however, besides being an easy thing to remedy as the holes aren’t hardened most setups that I’ve encountered generally don’t require fastening the blocks together.Taking into account the fit and finish as well as the price, it’s safe to say that this block kit would accurately serve most shops and machinists… professional and hobbyist alike.
Travis 556
2024-11-25 16:12:12
Haven't got to use them yet. But the quality looks good aswell as the price
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