Collection: Gears - Spur - Standard - 20DP Steel

6 Products in this selection
  • PCD in mm = No. of Teeth x 1.27 (1/20 in.). 14.5 Degree Pressure Angle. DP stands for Diametrical Pitch and is an imperial measurement system.
  • The diameter increases by 1 inch for every 20 teeth
  • 20 Diametrical Pitch. Approx 3.99mm between the teeth.
Additional resources:
20DP Gear Racks
A more concise listing may be found on the Smallparts store at Gears - Spur - Standard - 20DP Steel. Smallparts promote the most popular MBA products.
Teeth Pitch Circle Diameter (PD) Bore (d) Outside Diameter (OD) Face Width (FW) Type Indicative
Image
Teeth
12
Pitch Circle Diameter (PD)
15.240
mm

(0.6 in.)
Bore (d)
7.938
mm

(0.313 in.)
Outside Diameter (OD)
17.780
mm
Face Width (FW)
9.525
mm
Spur Gears - 12 tooth - 15.24x7.938 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Hub Diameter (D1): 11.684 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G015B-12-V20-095-079-CG Spur Gears - 12 tooth - 15.24x7.938 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $99.59 AUD
Regular price Sale price $99.59 AUD
Each
Teeth Pitch Circle Diameter (PD) Bore (d) Outside Diameter (OD) Indicative
Image
Teeth
12
Pitch Circle Diameter (PD)
15.240
mm

(0.6 in.)
Bore (d)
7.938
mm

(0.313 in.)
Outside Diameter (OD)
17.780
mm
Spur Gears - 12 tooth - 15.24x7.938 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Face Width (FW): 9.525 mm    Hub Diameter (D1): 11.684 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G015B-12-V20-095-079-CG Spur Gears - 12 tooth - 15.24x7.938 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $99.59 AUD
Regular price Sale price $99.59 AUD
Each
View the product page first if you are unsure.
Teeth
16
Pitch Circle Diameter (PD)
20.320
mm

(0.8 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
22.860
mm
Face Width (FW)
9.525
mm
Spur Gears - 16 tooth - 20.32x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Hub Diameter (D1): 16.764 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G020B-16-V20-095-095-CG Spur Gears - 16 tooth - 20.32x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $129.14 AUD
Regular price Sale price $129.14 AUD
Each
Teeth
16
Pitch Circle Diameter (PD)
20.320
mm

(0.8 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
22.860
mm
Spur Gears - 16 tooth - 20.32x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Face Width (FW): 9.525 mm    Hub Diameter (D1): 16.764 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G020B-16-V20-095-095-CG Spur Gears - 16 tooth - 20.32x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $129.14 AUD
Regular price Sale price $129.14 AUD
Each
View the product page first if you are unsure.
Teeth
20
Pitch Circle Diameter (PD)
25.400
mm

(1 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
27.940
mm
Face Width (FW)
9.525
mm
Spur Gears - 20 tooth - 25.4x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Hub Diameter (D1): 21.336 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G025B-20-V20-095-095-CG Spur Gears - 20 tooth - 25.4x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $149.14 AUD
Regular price Sale price $149.14 AUD
Each
Teeth
20
Pitch Circle Diameter (PD)
25.400
mm

(1 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
27.940
mm
Spur Gears - 20 tooth - 25.4x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Face Width (FW): 9.525 mm    Hub Diameter (D1): 21.336 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G025B-20-V20-095-095-CG Spur Gears - 20 tooth - 25.4x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $149.14 AUD
Regular price Sale price $149.14 AUD
Each
View the product page first if you are unsure.
Teeth
24
Pitch Circle Diameter (PD)
30.480
mm

(1.2 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
33.020
mm
Face Width (FW)
9.525
mm
Spur Gears - 24 tooth - 30.48x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Hub Diameter (D1): 23.368 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G030B-24-V20-095-095-CG Spur Gears - 24 tooth - 30.48x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $167.32 AUD
Regular price Sale price $167.32 AUD
Each
Teeth
24
Pitch Circle Diameter (PD)
30.480
mm

(1.2 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
33.020
mm
Spur Gears - 24 tooth - 30.48x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Face Width (FW): 9.525 mm    Hub Diameter (D1): 23.368 mm    Hub Projection (HL): 9.652 mm    Locking Method: None    Quality: Commercial   
Part Number: G030B-24-V20-095-095-CG Spur Gears - 24 tooth - 30.48x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $167.32 AUD
Regular price Sale price $167.32 AUD
Each
View the product page first if you are unsure.
Teeth
32
Pitch Circle Diameter (PD)
40.640
mm

(1.6 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
43.180
mm
Face Width (FW)
9.525
mm
Spur Gears - 32 tooth - 40.64x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Hub Diameter (D1): 33.528 mm    Hub Projection (HL): 12.700 mm    Locking Method: None    Quality: Commercial   
Part Number: G041B-32-V20-095-095-CG Spur Gears - 32 tooth - 40.64x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $197.86 AUD
Regular price Sale price $197.86 AUD
Each
Teeth
32
Pitch Circle Diameter (PD)
40.640
mm

(1.6 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
43.180
mm
Spur Gears - 32 tooth - 40.64x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Face Width (FW): 9.525 mm    Hub Diameter (D1): 33.528 mm    Hub Projection (HL): 12.700 mm    Locking Method: None    Quality: Commercial   
Part Number: G041B-32-V20-095-095-CG Spur Gears - 32 tooth - 40.64x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $197.86 AUD
Regular price Sale price $197.86 AUD
Each
View the product page first if you are unsure.
Teeth
48
Pitch Circle Diameter (PD)
60.960
mm

(2.4 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
63.500
mm
Face Width (FW)
9.525
mm
Spur Gears - 48 tooth - 60.96x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Hub Diameter (D1): 33.782 mm    Hub Projection (HL): 12.700 mm    Locking Method: None    Quality: Commercial   
Part Number: G061B-48-V20-095-095-CG Spur Gears - 48 tooth - 60.96x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $191.05 AUD
Regular price Sale price $191.05 AUD
Each
Teeth
48
Pitch Circle Diameter (PD)
60.960
mm

(2.4 in.)
Bore (d)
9.525
mm

(0.375 in.)
Outside Diameter (OD)
63.500
mm
Spur Gears - 48 tooth - 60.96x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Material: Steel 0.20 carbon steel with no subsequent treatment    Face Width (FW): 9.525 mm    Hub Diameter (D1): 33.782 mm    Hub Projection (HL): 12.700 mm    Locking Method: None    Quality: Commercial   
Part Number: G061B-48-V20-095-095-CG Spur Gears - 48 tooth - 60.96x9.525 mm - Steel 0.20 carbon steel with no subsequent treatment
Out of Stock | Backorder Now | Orders can be expected around Mon, Jun 02, 2025
Regular price $191.05 AUD
Regular price Sale price $191.05 AUD
Each
View the product page first if you are unsure.