Retention Knobs

[bdrmachine]

What are people paying for retention knobs. Haas wants $20+ for theirs. I've seen some on ebay as low as $5. Has anyone seen one of these fail? I need 6 or 7 for tool holders used on a haas with cat40 spindle.

Thanks
Brian

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[erikfriesen]

I haven't seen it, but have read of it. Why risk a spindle?

https://www.maritool.com/Retention-K...123/index.html

[CuttingTool]

I am a distributor in Seattle. The least expensive studs I sell for HAAS are going about $13.00. The best pullstuds I carry are from JM Performance and they are going about $25-$35, depending on the quantity,

[underthetire]

I have seen several retention knobs break. Its never pretty, and never cheap to repair.

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