18 Diametral Pitch #4 Gear Cutter - 20 Degree Pressure Angle - 1" ID

Model #: GC20-18-4-1

Price: $87.60

Description: Gear Cutter, 20 deg PA, 18 DP, # 4 cut, 1" hole

• Diametral Pitch: 18
• Cutter #: 4 - For 26 teeth to 34 teeth
• Diameter: 2 3/8"
• Hole Size: 1"
• High Speed Steel.

20 Degree Pressure Angle.
High Speed Steel.
Radial Tooth Face.
These cutters may be resharpened repeatedly throughout the entire life of the cutter, without changing the original cutting form.
Diametral Pitch indicates the number of teeth in a gear per inch of pitch diameter.

FOR EXAMPLE: to cut a 3" diameter gear with 24 teeth use a 8 Diametral Pitch, Number 5 cutter (24 teeth divided by 3"= 8 D.P., number 5 cutter is need to cut 24 teeth).

Eight different cutters are made for each diametral pitch.
# 8 cutter cuts 12 teeth to 13 .
#7 cutter cuts 14 teeth to 16.
# 6 cutter cuts 17 teeth to 20.
#5 cutter cuts 21 teeth to 25.
#4 cutter cuts 26 teeth to 34 .
#3 cutter cuts 35 teeth to 54.
#2 cutter cuts 55 teeth to 134 .
#1 cutter cuts 135 teeth to a rack.