1/4" x 20 UNC Left Hand ground thread HSS Tap
Specification Product: 1/4x20 UNC High Speed Steel straight flute tap Size: 1/4-20 UNC Straight flute taps lefthand Manufactured to: 1/4" UNC Unified National Coarse (ISO529) Left Hand Options: Bottom, Second & Taper lead taps see options box Part Number ES-3478Visit the JLS Supplies Ltd website for more information on 1/4" x 20 UNC Left Hand ground thread HSS Tap