1/2x28 UNEF HSS Ground Thread Set of 3 Taps

Specification Product: 1/2" UNEF High Speed Steel straight flute tap Size: 1/2" x 28 tpi Straight flute taps Manufactured to: 1/2" Unified National Extra Fine (ISO529) Right Hand Options: Bottom, Second, Taper leads and Set of 3 Part Number ES-7247