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Trapezoidal Screws Have Centralizing Threads

From Nook Industries, Inc.

PowerAc TM trapezoidal screws from Nook Industries have centralizing threads that maintain alignment of the thread axis. The screws are manufactured in accordance with ISO standards. "We are finding more customers designing with global sales in mind, so they are asking for metrics," says Rick Christyson, chief engineer at Nook. The company offers eight sizes from 10 to 65 mm.
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