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JFettig · 12-01-2003, 06:41 AM

Yeah, they press the thread into the material, they only work in soft metal like copper, brass, and aluminum.
I have used them indelrin, work good in that too, but a cutting tap would be better for plastic.

Jon

12-01-2003, 06:41 AM	#144
JFettig Cooling Savant Join Date: Feb 2003 Location: Willmar MN/Fargo ND Posts: 504	Yeah, they press the thread into the material, they only work in soft metal like copper, brass, and aluminum. I have used them indelrin, work good in that too, but a cutting tap would be better for plastic. Jon