THREADING 224 Taper 7-10 Thread Chamfer Have longest standard chamfer for easier starts and less torque. Bottoming 1-2 Thread Chamfer Designed for threading near the bottom of blind holes. Plug 3-5 Thread Chamfer Most versatile choice for through or blind holes. List No. 770 – Standard List No. 770SET – 3 Piece Set (Plug, Bottoming, Taper) List No. 770T – TiN Coated List No. 770ST – Steam Oxide Coated Steam Oxide Coating produces a thin iron oxide surface which reduces friction between the tool and the chips, acting as a lubrication media. Hand taps are the most commonly used general purpose taps. They are recommended for tapping free machining steels, stainless steels, aluminum, zinc and ductile steel. Hand taps are utilized in either through or blind hole tapping. Price Each Size Threads Per Inch Thread Limits No. of Flutes Chamfer Available Standard 770 (P,T,B) Set 770SET TiN Coated 770T Steam Oxide 770ST 0 80 H1 2 P,T,B 11.30 33.90 15.12 12.00 1 64 H1 2 P,T,B 11.30 33.90 14.01 12.00 1 72 H2 2 P,T,B 11.30 33.90 14.01 12.00 2 56 H2 3 P,T,B 11.30 33.90 14.00 12.00 2 64 H2 3 P,T,B 11.30 33.90 14.00 12.00 3 48 H2 3 P,T,B 7.50 22.50 9.70 8.00 3 56 H2 3 P,T,B 9.00 27.00 11.03 9.85 4 36 H2 3 P,T,B 11.30 33.90 13.50 12.00 4 40 H2 3 P,T,B 7.00 21.00 8.91 7.75 4 48 H2 3 P,T,B 7.00 21.00 9.41 7.75 5 40 H2 3 P,T,B 7.00 21.00 8.91 7.75 5 44 H2 3 P,T,B 7.90 23.70 9.33 8.80 6 32 H3 3 P,T,B 5.80 17.40 7.70 6.70 6 40 H2 3 P,T,B 5.80 17.40 7.79 6.50 8 32 H3 4 P,T,B 5.80 17.40 7.70 6.50 8 36 H2 4 P,T,B 6.75 20.25 9.30 7.50 10 24 H3 4 P,T,B 6.75 20.25 9.30 7.50 10 32 H3 4 P,T,B 6.75 20.25 9.30 7.50 12 24 H3 4 P,T,B 6.75 20.25 9.30 7.50 12 28 H3 4 P,T,B 6.75 20.25 9.30 7.50 1/4 20 H3 4 P,T,B 6.75 20.25 9.30 7.50 1/4 28 H3 4 P,T,B 6.75 20.25 10.30 7.50 5/16 18 H3 4 P,T,B 7.50 22.50 10.00 8.00 5/16 24 H3 4 P,T,B 7.50 22.50 10.00 8.00 3/8 16 H3 4 P,T,B 8.90 26.70 13.70 9.60 3/8 24 H3 4 P,T,B 8.90 26.70 13.70 9.60 7/16 14 H3 4 P,T,B 13.20 39.60 20.92 14.00 7/16 20 H3 4 P,T,B 13.20 39.60 20.92 14.00 1/2 13 H3 4 P,T,B 14.50 43.50 21.73 15.00 1/2 20 H3 4 P,T,B 14.50 43.50 23.44 15.00 9/16 12 H3 4 P,T,B 23.20 69.60 37.96 24.00 9/16 18 H3 4 P,T,B 23.20 69.60 37.96 24.00 5/8 11 H3 4 P,T,B 27.50 82.50 42.66 28.20 5/8 18 H3 4 P,T,B 27.50 82.50 42.66 28.20 11/16 11 H3 4 P,T,B 34.60 103.80 49.68 35.70 11/16 16 H3 4 P,T,B 34.60 103.80 49.68 35.70 3/4 10 H3 4 P,T,B 36.38 109.14 54.90 35.70 3/4 16 H3 4 P,T,B 36.38 109.14 54.90 37.50 7/8 9 H4 4 P,T,B 49.50 148.50 72.28 50.50 7/8 14 H4 4 P,T,B 49.50 148.50 72.28 50.50 1" 8 H4 4 P,T,B 67.50 202.50 99.46 68.50 1" 12 H4 4 P,T,B 67.50 202.50 103.34 68.50 1" 14 H4 4 P,T,B 67.50 202.50 103.34 68.50 1-1/8 7 H4 4 P,T,B 110.00 330.00 137.61 112.00 High Speed Steel – Ground Thread Standard Thread Limits & Flutes Hand Taps Please specify plug, bottoming, or taper chamfer when ordering.
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