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Click on any Catalog Number below to request a Quote.

Catalog Number
Worm Shaft
Steel

Catalog Number
Worm Wheel

No. of
Teeth

Ratio

Center
Distance
J

Outside
Diameter
D'

Pitch
Diameter
C

Overall
Length
G
Phosphor Bronze Polyacetal

QG-WP16-1S
Single Thread*
Lead Angle 4° 45'

QG-WW16-1-040PB

QG-WW16-1-040D

40

40:01:00

1.625

2.656

2.500

1.000

QG-WW16-1-048PB

QG-WW16-1-048D

48

48:01:00

1.875

3.156

3.000

1.000

QG-WW16-1-050PB

QG-WW16-1-050D

50

50:01:00

1.937

3.281

3.125

1.000

QG-WW16-1-060PB

QG-WW16-1-060D

60

60:01:00

2.250

3.906

3.750

1.062

QG-WW16-1-064PB

QG-WW16-1-064D

64

64:01:00

2.375

4.156

4.000

1.062

QG-WW16-1-070PB

QG-WW16-1-070D

70

70:01:00

2.562

4.531

4.375

1.062

QG-WW16-1-072PB

QG-WW16-1-072D

72

72:01:00

2.625

4.656

4.500

1.062

QG-WP16-2S
Double Thread*
Lead Angle 9° 27'

QG-WW16-2-040PB

QG-WW16-2-040D

40

20:01

1.625

2.656

2.500

1.000

QG-WW16-2-048PB

QG-WW16-2-048D

48

24:01:00

1.875

3.156

3.000

1.000

QG-WW16-2-050PB

QG-WW16-2-050D

50

25:01:00

1.937

3.281

3.125

1.000

QG-WW16-2-060PB

QG-WW16-2-060D

60

30:01:00

2.250

3.906

3.750

1.062

QG-WW16-2-064PB

QG-WW16-2-064D

64

32:01:00

2.375

4.156

4.000

1.062

QG-WW16-2-070PB

QG-WW16-2-070D

70

35:01:00

2.562

4.531

4.375

1.062

QG-WW16-2-072PB

QG-WW16-2-072D

72

36:01:00

2.625

4.656

4.500

1.062

QG-WP16-4S
Quadruple Thread*
Lead Angle 18° 26'

QG-WW16-4-040PB

QG-WW16-4-040D

40

10:01

1.625

2.656

2.500

1.000

QG-WW16-4-048PB

QG-WW16-4-048D

48

12:01

1.875

3.156

3.000

1.000

QG-WW16-4-050PB

QG-WW16-4-050D

50

12.5:1

1.937

3.281

3.125

1.000

QG-WW16-4-060PB

QG-WW16-4-060D

60

15:01

2.250

3.906

3.750

1.062

QG-WW16-4-064PB

QG-WW16-4-064D

64

16:01

2.375

4.156

4.000

1.062

QG-WW16-4-070PB

QG-WW16-4-070D

70

17.5:1

2.562

4.531

4.375

1.062

QG-WW16-4-072PB

QG-WW16-4-072D

72

18:01

2.625

4.656

4.500

1.062

*Worm Thread - Right-Hand, Hardened
 Bore Tolerance: +.0010  -.0000

Quality Transmission Components

125 Railroad Avenue, Garden City Park, NY 11040-5016 
Phone: (516) 437-6700 • Fax: (516) 328-3343 
e-mail: qtcsupport@qtcgears.com