1/2" x 13 UNC Left Hand HSS Ground Thread Tap
Specification Product: 1/2x13 UNC High Speed Steel straight flute tap Size: 1/2-13 UNC Straight flute taps lefthand Manufactured to: 1/2" UNC Unified National Coarse (ISO529) Left Hand Options: Bottom, Second & Taper lead taps see options box Part Number ES-3498Visit the JLS Supplies Ltd website for more information on 1/2" x 13 UNC Left Hand HSS Ground Thread Tap