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Your cart is empty. Size within +/- .0001"
Flatness and parallelism within .0001"
Accuracy and squareness on all sides within .0001"-.0002"
Pairs are matched to a tolerance of 0.0002"
Product features
Made of hardened tool steel and precision ground on all six sides
Cross drilling design allows efficient use of lower weight with maximum strength
Heat treat and hardness 56 to 60 RC
Package Includes:
2 pieces per set
Rachelle
2025-08-15 16:20:59
Mine used up every bit of the .0003 tolerance based on my calibrated mic’s, thickness and parallel, but I don’t need anything better than that so they work for what I bought them for. I didn’t bother to run them through a full CMM inspection so can’t speak to the squareness and other features. Threads were clear and hardness seems acceptable. iMO these are a good buy and I would recommend them if the tolerance fits your needs.
Terry Tanner
2025-06-24 14:41:58
Well made good finish. no problems
Dylan
2025-05-21 12:07:53
Seem solid. Nice little case.
akonius
2025-05-12 14:54:02
I needed a set of 1,2,3 blocks and came across this kit. When I got them - the kit was well oiled to prevent rusting which was good...after a lite cleaning, the blocks were good to go. The kit comes in a nice plastic box to keep everything together when not in use which is a nice extra. Will say, the only reason I didn't give the last star was that the screw threads were rough in the blocks...I had to run the screws through on each block screw hole to cut the threads. All in all , it's a good set for what comes with it.
FALCON
2025-03-07 15:43:15
Only half the holes are tapped and poorly at that. Bolts are hard to thread in half of the tapped holes. The untapped holes are too small for the bolt to pass through like a normal 123 bock. If you try and bolt the two blocks together only one hole lines up because the spacing is off. The only thing you can use these two for is fixturing provided you have something to bolt them into.
Charley
2025-02-20 12:33:29
No box. No screws just blocks. But they were cheap so 🤷â€â™‚ï¸
Dcgoldba
2025-01-26 10:46:45
Nice accurate setup blocks well oiled and wrapped in corrosion inhibiting paper, and they got here a day early! Nice!
Wayne
2025-01-09 12:06:00
The blocked are very cell machined and each threaded hole is straight and clean.
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