1/4"-28 UNF Tap and Die Set Left Hand, 1/4 X 28 UNF Machine Thread Tap A

Item model number 1/4"-28 UNF Left Hand. Size 1/4"-28 UNF Left Hand. Be sure to select the appropriate cutting oil for the complex tapping process and apply anti-rust oil for maintenance after use. Generally used in conjunction with tapping machines, integrated bench drills, CNC lathes, machining centers, etc.

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