1/2" x 28 UNEF HSS Ground Thread Taps

Specification Product: 1/2x28 UNEF High Speed Steel straight flute tap Size: 1/2"-28 UNEF 28 tpi Straight flute taps Manufactured to: 1/2" UNEF Unified National Extra Fine (ISO529) Right Hand Options: Bottom, Second, Taper leads and Set of 3 Part Number ES-3534