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ER20"A” should be a 24mm thread and “B” should be a 25mm thread.
Jun 22, 2023
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(5) · In stock
Nov 15, 2023 · ER20 A Type Collet Clamping Nut for CNC Milling Collet ... Size: 3 Wings-1/4 Shank 1 Diameter. $16.97$16.97 ... QWORK ER20A Collet Clamping Nuts, 4 Pack. QWORK.
$29.00
Aug 14, 2023 · Precision Threads: The thread size of M25 x 1.5 ensures a tight and reliable grip on your tooling, minimizing any chances of slippage during machining. Enhanced ...
Mar 2, 2024 · I think the er20 is most commonly used to hold tooling, less for holding parts. Therefore no collet blocks. Size does matter. RaisedByWolves.
Jun 22, 2023 · Use of aftermarket ER20 collet nuts. My machine seems to be a different spindle thread than the 25mm 1.5mm standard. The OEM nut fits perfectly and seems to ...
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