Q-Mark Thread Card

Q-Mark Thread Card

Price plus sales tax, plus delivery

End the guesswork over the correct  thread and ball sizes for your probe system.  Our thread card has ten tapped holes between M2 and 3/8-24 to check the thread size, and ten holes ranging from 1.0 to 6.0mm to gage the ball size. A built-in 40mm engraved scale confirms the stylus length. We make these in the USA from aircraft grade aluminum that is anodized and laser engraved.  Protective slip cover included.

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