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This ER32 collet set is an ideal addition for CNC milling lathe tools and work holding engraving machine. It features a premium spring steel body with strong stability, clamping force, and high accuracy, offering excellent performance in various machining applications, including boring, milling, reaming, tapping, and grinding.
Tight Clamping Force
The angled slot ensures tight clamping force and prevents dust and iron filings from entering, thereby avoiding the accuracy of the chuck being affected.
Premium Spring Steel
Our collet set is constructed of hardened, precision-ground high-grade 45# steel for durability, with a rust-resistant finish.
High Accuracy Collets
The holding force of this high-precision spring collet is better than that of the ordinary one, and the accuracy can be controlled within 0.0005".
Convenient to Install
No need for tools, just with your bare hands, the spring collet can be effortlessly installed and disassembled. It is an ideal addition to a lathe tool kit.
Gary D. Schnell
August 16, 2025
Collet set is of good quality and I have used several of them on my CNC. Was a good purchase.
ClairMarieBrooks
August 1, 2025
Great for small collet enthusiasts that like to machine things at night. Can hold drill bits as well as mills and havent had much issue with runout .. all tool survive full RPM without crazy chatter.
Dara G.
July 28, 2025
They work. The sizes seem right, and the quality isn't bad. I would gripe that they are out-of-balance & concentricity, but they aren't intended for high speed spindles. They hold a tool. Probably better suited for a stationary tool-holder on a lathe. Not an accurate set for your mini-mill
RabiysRhyme
July 22, 2025
I used almost every one of these for a drill regrinding project, (1/8-1/2 by 1/32nds) and they all appeared concentric, gripped well, and gave drills with near perfect split points. (Perfect as far as I can measure.)I did not try to measure the accuracy of the holder, but if you are trying for sub 0.001" accuracy, I suspect that this should probably not be your set of choice.
Al Latham
July 20, 2025
I haven't used them yet, but they look great.
Customer
June 11, 2025
Good assortment for price, would recommend
Robert Ain
April 26, 2025
These collets work for milling machines. Easy to use and very accurate
Marc
March 28, 2025
Half of the sizes were missing. Still had 26 pieces in total, but most of the sizes had duplicates and even a few triplets. I had to return this. I could have lived with a couple of the 32nd sizes missing, but what I got was missing the common sizes like 9/16", 5/8", and 3/4". The picture shows the 12 sizes that were missing, 8 duplicates, and 2 triplets (sorry I had poor lighting and should have laid them out better).I tested a few of the sizes that I did get and I was not impressed by their accuracy. Most of them had between 0.002" to 0.006" of indicated runout and they were not repeatable. I'd chuck up a precision ground rod and at first I'd get about 0.004" TIR. Removing and re-chucking the same rod it would might go down to 0.0015" or up to 0.005". I think I did manage to get one bar chucked in at about 0.001" TIR, but only after piddling with it for a few minutes. As a sanity check, I indicated the taper inside my collet chuck and read about 0.0004" in the front and back with the high spot on the same side... meaning that it was off center that amount but still parallel with the spindle.Even if I had received all the sizes they advertised, what I received was nowhere near the advertised 0.0005" runout. Completely unacceptable for collets. I should have known what to expect, but I took the gamble anyway. I ended up returning these and ordering some from LittleMachineShop. Those actually stand up to their stated specs.
Marcos Oliver
February 28, 2025
Durables, adaptables y de buena calidad...
Fraser MacLean
February 17, 2025
A great set for my wood lathe. Easy to change out and fits #2 mt head stock. Runs true with drill stock arbors that I use. Need to make a 3/8 thread draw bar.
Customer
February 1, 2025
Items are exactly what was expected and arrived promptly.
Jon
January 28, 2025
Excellent quality. Heck of a lot of pieces for the price. I don't know how anyone could complain. I've used 3-4 different sizes the first day or two and all work perfectly. Very happy.
Mark from Oz
January 24, 2025
I have had a metric set of ER32 Collets and purchased this imperial set, so far the Collets that I have used have run concentric and I have had no issues with them, I can now hold any size item between the two sets I now have
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