Page 362 - Republic Drill

Involute Gear Cutters

High Speed Steel
SAWS & CUTTERS Please specify cutter number when ordering.
Involute Gear Cutters are used to mill gears with
a 14.5º or 20º pressure angle. Eight (8) cutters are
required to make a full set of gears from (12) teeth
to a rack for each diametral pitch.

8 cutters are made for each pitch diameter:

Cutter No. 1 2 3 4 5 6 7 8

Range of Teeth 135 – Rack 55 – 134 35 – 54 26 – 34 21 – 25 17 – 20 14 – 16 12 – 13

14.5° Pressure Angle
List No. 730

Diametral Cutter Hole Price Diametral Cutter Hole Price Diametral Cutter Hole Price
Pitch Diameter Size Each Pitch Diameter Size Each Pitch Diameter Size Each
1 8-1/2 2 1791.00 8 3-1/4 1-1/4 112.62 22 2 7/8 58.95
1-1/4 7-3/4 2 1260.00 9 2-3/4 1 96.53 22 2-1/4 1 70.40
1-1/2 7 1-3/4 895.50 9 3-1/8 1-1/4 112.62 24 1-3/4 7/8 58.95
1-3/4 6-1/2 1-3/4 765.00 10 2-3/8 7/8 76.89 24 2-1/4 1 70.40
2 5-3/4 1-1/2 490.23 10 2-3/4 1 87.17 26 1-3/4 7/8 58.95
2-1/2 5-3/4 1 382.12 11 2-3/8 7/8 76.89 26 2-1/4 1 70.40
2-1/2 5-3/4 1-1/2 382.12 11 2-5/8 1 84.22 28 1-3/4 7/8 58.95
3 4-3/4 1-1/4 269.07 12 2-1/4 7/8 67.94 28 2-1/4 1 70.40
3 5-1/4 1-1/2 334.00 12 2-5/8 1 76.89 30 1-3/4 7/8 58.95
4 3-5/8 1 167.01 13 2-1/4 7/8 66.20 30 2-1/4 1 70.40
4 4-1/4 1-1/4 189.36 13 2-5/8 1 77.50 32 1-3/4 7/8 54.95
4 4-1/2 1-1/2 202.91 14 2-1/8 7/8 66.19 32 2-1/4 1 62.83
5 3-3/8 1 144.86 14 2-1/2 1 77.49 36 1-3/4 7/8 54.95
5 3-3/4 1-1/4 149.36 16 2-1/8 7/8 66.19 36 2-1/4 1 62.83
6 3-1/8 1 117.40 16 2-1/8 1 77.49 40 1-3/4 7/8 54.95
6 3-1/2 1-1/4 133.85 18 2 7/8 58.95 40 2-1/4 1 62.83
7 2-7/8 1 117.75 18 2-3/8 1 70.40 48 1-3/4 7/8 54.95
7 3-3/8 1-1/4 133.85 20 2 7/8 58.95 48 2-1/4 1 62.83
8 2-7/8 1 97.19 20 2-3/8 1 70.40

20° Pressure Angle
List No. 731

Diametral Cutter Hole Price Diametral Cutter Hole Price Diametral Cutter Hole Price
Pitch Diameter Size Each Pitch Diameter Size Each Pitch Diameter Size Each
1 8-1/2 2 2160.00 10 2-3/8 7/8 157.50 24 2-1/4 1 134.10
1-1/4 7-3/4 2 1620.00 10 2-3/4 1 175.50 26 1-3/4 7/8 99.00
1-1/2 7 1-3/4 1125.00 11 2-3/8 7/8 157.50 26 2-1/4 1 134.10
1-3/4 6-1/2 1-3/4 990.00 11 2-5/8 1 175.50 28 1-3/4 7/8 99.00
2 5-3/4 1-1/2 765.00 12 2-1/4 7/8 148.50 28 2-1/4 1 133.20
2-1/2 5-3/4 1-1/2 657.00 12 2-5/8 1 169.20 30 1-3/4 7/8 99.00
3 4-3/4 1-1/4 535.50 14 2-1/8 7/8 82.80 30 2-1/4 1 133.20
4 3-5/8 1 405.00 14 2-1/2 1 112.50 32 1-3/4 7/8 99.00
4 4-1/4 1-1/4 441.00 16 2-1/8 7/8 89.10 32 2-1/4 1 133.20
5 3-3/8 1 355.50 16 2-1/8 1 124.20 36 1-3/4 7/8 99.00
5 3-3/4 1-1/4 423.00 18 2 7/8 88.20 36 2-1/4 1 133.20
6 3-1/8 1 198.00 18 2-3/8 1 124.20 40 1-3/4 7/8 99.00
6 3-1/2 1-1/4 279.00 20 2 7/8 88.20 40 2-1/4 1 133.20
7 2-7/8 1 337.50 20 2-3/8 1 124.20 48 1-3/4 7/8 99.00
8 2-7/8 1 178.20 22 2 7/8 88.20 48 2-1/4 1 133.20
8 3-1/4 1-1/4 238.50 22 2 1 149.00
9 2-3/4 1 161.10 24 1-3/4 7/8 99.00
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