Overview Reviews Product Description Premium HSS hand tap Ground thread Bright finish Available in taper (7 - 10 thread chamfer), plug (3 - 5 thread chamfer), and bottoming chamfer (1 - 2 thread chamfer) The set part number includes one each of taper, plug, and bottoming chamfers Designed for hand tapping in wide variety of materials in both through hole and blind hole applications Clarkson Osborn Catalog Product Videos Custom Field Size 1/4"-28 NF Flute length 1" Overall length 2-1/2" Set includes Taper, Plug, Bottoming Product Reviews Write a Review Write a Review × Clarkson-Osborn 1/4"-28 NF HSS Warwick® Hand Tap Set TA01341 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *