Page 253 - Republic Drill

Left Hand Taps

High Speed Steel – Ground Thread
Left Hand Standard Thread
List No. 770L – Hand Tap Please specify plug, bottoming, or taper chamfer
List No. 770LSET – 3 Piece Set (Plug, Bottoming, Taper)
List No. 782L – Spiral Point Plug Chamfer
Straight Spiral Point Straight Spiral Point THREADING
Thread No. of Price Each No. of Price Each Thread No. of Price Each No. of Price Each
Size T.P.I. Size T.P.I.
Limits Flutes 770L 770LSET Flutes 782L Limits Flutes 770L 770LSET Flutes 782L
1 72 H2 2 8.25 24.75 2 9.74 7/16 20 H3 4 14.51 43.53 3 17.12
2 56 H2 3 8.25 24.75 2 9.74 1/2 13 H3 4 17.15 51.45 3 20.24
2 64 H2 3 8.25 24.75 2 9.74 1/2 20 H3 4 17.15 51.45 3 20.24
3 48 H2 3 8.25 24.75 2 9.74 9/16 12 H3 4 25.59 76.77 3 30.20
3 56 H2 3 8.25 24.75 2 9.74 9/16 18 H3 4 25.59 76.77 3 30.20
4 40 H2 3 7.59 22.77 2 8.96 5/8 11 H3 4 32.47 97.41 3 38.31
4 48 H2 3 8.25 24.75 2 9.74 5/8 18 H3 4 32.47 97.41 3 38.31
5 40 H2 3 7.59 22.77 2 8.96 11/16 11 H3 4 35.74 107.22 3 42.17
5 44 H2 3 8.25 24.75 2 9.74 11/16 16 H3 4 35.74 107.22 3 42.17
6 32 H3 3 6.76 20.28 2 7.98 3/4 10 H3 4 42.34 127.02 3 49.96
6 40 H3 3 6.76 20.28 2 7.98 3/4 16 H3 4 42.34 127.02 3 49.96
8 32 H3 4 6.76 20.28 2 7.98 7/8 9 H4 4 57.48 172.44 3 67.83
8 36 H3 4 6.76 20.28 2 7.98 7/8 14 H4 4 57.48 172.44 3 67.83
10 24 H3 4 6.76 20.28 2 7.98 1" 8 H4 4 75.23 225.69 3 88.77
10 32 H3 4 6.76 20.28 2 7.98 1" 12 H4 4 75.23 225.69 3 88.77
12 24 H3 4 7.91 23.73 2 9.33 1" 14 H4 4 75.23 225.69 3 88.77
12 28 H3 4 7.91 23.73 2 9.33 1-1/8 7 H4 4 126.59 379.77 –– ––
1/4 20 H3 4 7.91 23.73 2 9.33 1-1/8 12 H4 4 126.59 379.77 –– ––
1/4 28 H3 4 7.91 23.73 2 9.33 1-1/4 7 H4 4 159.81 479.43 –– ––
5/16 18 H3 4 8.77 26.31 2 10.35 1-1/4 12 H4 6 159.81 479.43 –– ––
5/16 24 H3 4 8.77 26.31 2 10.35 1-3/8 6 H4 4 199.03 597.09 –– ––
3/8 16 H3 4 11.35 34.05 3 13.39 1-3/8 12 H4 6 199.03 597.09 –– ––
3/8 24 H3 4 11.35 34.05 3 13.39 1-1/2 6 H4 4 231.00 693.00 –– ––
7/16 14 H3 4 14.51 43.53 3 17.12 1-1/2 12 H4 6 231.00 693.00 –– ––

Metric Sizes List No. 773MLH – Plug Chamfer
Size Pitch No. of Price Size Pitch No. of Price Size Pitch No. of Price
mm Flutes Each mm Flutes Each mm Flutes Each
1.70 .35 2 23.50 10.00 1.25 4 14.02 18.00 1.50 4 54.00
2.00 .40 3 23.50 10.00 1.50 4 14.02 18.00 2.50 4 54.00
2.60 .45 3 16.00 11.00 1.00 4 18.69 20.00 1.50 4 72.26
3.00 .50 3 12.15 11.00 1.50 4 18.69 20.00 2.50 4 72.26
3.50 .60 3 11.77 12.00 1.25 4 27.30 22.00 1.50 4 82.00
4.00 .70 4 11.77 12.00 1.50 4 27.30 22.00 2.50 4 82.00
5.00 .80 4 12.40 12.00 1.75 4 27.30 24.00 2.00 4 115.70
6.00 1.00 4 12.95 14.00 1.25 4 35.60 27.00 2.00 4 148.00
7.00 1.00 4 14.09 14.00 1.50 4 35.60 27.00 3.00 4 148.00
8.00 .50 4 10.09 14.00 2.00 4 35.60 30.00 2.00 4 225.00
8.00 1.00 4 10.09 16.00 .75 4 42.25 30.00 3.50 4 225.00
8.00 1.25 4 12.19 16.00 1.50 4 42.25 45.00 1.50 6 467.50
9.00 1.25 4 14.02 16.00 2.00 4 42.25
10.00 .75 4 14.02 18.00 1.00 4 54.00
Left Hand Special Thread
List No. 779L – Hand Tap Please specify plug, bottoming, or taper chamfer
List No. 779LS – Spiral Point - Plug Chamfer Price Each
Price Each Size Threads Hand Tap
Size Threads Hand Tap Spiral Point 7/8 Per Inch 779L
20
779LS
70.00
Per Inch
779L
1/4 27 14.03 16.14 1 20 82.00
1/4 32 14.03 16.14 1 24 82.00
5/16 27 14.03 –– 1-1/16 12 88.00
5/16 32 14.03 16.14 1-1/16 18 88.00
3/8 32 14.28 16.42 1-1/8 8 90.16
7/16 24 15.77 18.14 1-1/4 8 90.16
1/2 24 17.99 20.69 1-5/16 20 139.00
1/2 32 17.99 20.69 1-3/8 8 146.48
5/8 24 27.64 31.79 1-7/16 16 188.00
5/8 32 27.64 31.79 1-1/2 8 194.57
11/16 18 34.12 –– 1-9/16 20 208.73
3/4 18 34.12 –– 1-5/8 12 250.00
3/4 20 34.12 –– 1-3/4 8 272.02
3/4 24 34.12 39.24 3-1/4 6 1200.00
3/4 32 34.12 39.24 3-1/4 20 1200.00
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