Catalog#: 20874 - Industrial Pro® "National Fine" High Speed Steel, Hand, Tapered Tap & Drill Set (18 Pieces)

Description: Industrial Pro® "National Fine" Chrome Steel, Hand, Tapered Tap & Drill Set (18 Pieces). METCO # TPDS18NF. 4° chamfer angle, 8-10 tooth height, used on hard materials. Holds sizes: 6-40 tap #33 drill, 8-36 #29, 10-24 #25, 10-32 #21, 1/4" - 28 #3, 5/16" - 24 #1, 3/8" - 24 #Q, 7/16" - 20 #25/64, 1/2" - 20 #29/64. Dimensions: 4" W X 7" D X 1-1/4" H. W/ Index. Ideal for hand tapping and cleaning out existing threads, offering less tendency to break than most taps.