Collection: Gears - Mitre - 12 DP Steel

5 Products in this selection
  • 1:1 Ratio. 20o Pressure Angle - Carbon steel
  • Mitre gears are used with a matching gear of the same pitch and number of teeth.
  • This provides a 1:1 ratio on a 90o angle.
  • See Gears - Bevel for other ratios.
Miniature Bearings Australia (Minibearings)

Additional resources:
Bevel Gears
A more concise listing may be found on the Smallparts store at Gears - Mitre - 12 DP Steel. Smallparts promote the most popular MBA products.
Teeth Pitch Diameter (pd) Bore (d) Overall Length (L) Sold Per Hub Diameter (hd) Indicative
Image
Teeth
15

Pitch Diameter (pd)
31.750
mm

(Equiv. 1.25 in.)
Bore (d)
9.525
mm

(Equiv. 0.375 in.)
Overall Length (L)
21.946
mm
Hub Diameter (hd)
25.400
mm
Mitre Gears - 15 tooth - 31.75x9.525 mm - Steel
Material: Steel    Hub Projection (F): 12.700 mm    Mounting Distance (C): 31.750 mm    Face Width (B): 7.366 mm   
Part Number: GM-032-D12-095-C (Each) Mitre Gears - 15 tooth - 31.75x9.525 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $169.05 AUD
Regular price Sale price $169.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
Teeth Pitch Diameter (pd) Bore (d) Overall Length (L) Indicative
Image
Teeth
15

Pitch Diameter (pd)
31.750
mm

(Equiv. 1.25 in.)
Bore (d)
9.525
mm

(Equiv. 0.375 in.)
Overall Length (L)
21.946
mm
Mitre Gears - 15 tooth - 31.75x9.525 mm - Steel
Material: Steel    Hub Diameter (hd): 25.400 mm    Hub Projection (F): 12.700 mm    Mounting Distance (C): 31.750 mm    Face Width (B): 7.366 mm   
Part Number: GM-032-D12-095-C (Each) Mitre Gears - 15 tooth - 31.75x9.525 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $169.05 AUD
Regular price Sale price $169.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
View the product page first if you are unsure.
Teeth
15

Pitch Diameter (pd)
31.750
mm

(Equiv. 1.25 in.)
Bore (d)
12.700
mm

(Equiv. 0.5 in.)
Overall Length (L)
21.946
mm
Hub Diameter (hd)
25.400
mm
Mitre Gears - 15 tooth - 31.75x12.7 mm - Steel
Material: Steel    Hub Projection (F): 12.700 mm    Mounting Distance (C): 31.750 mm    Face Width (B): 7.366 mm   
Part Number: GM-032-D12-127-C (Each) Mitre Gears - 15 tooth - 31.75x12.7 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $146.50 AUD
Regular price $175.80 AUD Sale price $146.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
Teeth
15

Pitch Diameter (pd)
31.750
mm

(Equiv. 1.25 in.)
Bore (d)
12.700
mm

(Equiv. 0.5 in.)
Overall Length (L)
21.946
mm
Mitre Gears - 15 tooth - 31.75x12.7 mm - Steel
Material: Steel    Hub Diameter (hd): 25.400 mm    Hub Projection (F): 12.700 mm    Mounting Distance (C): 31.750 mm    Face Width (B): 7.366 mm   
Part Number: GM-032-D12-127-C (Each) Mitre Gears - 15 tooth - 31.75x12.7 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $146.50 AUD
Regular price $175.80 AUD Sale price $146.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
View the product page first if you are unsure.
Teeth
18

Pitch Diameter (pd)
38.100
mm

(Equiv. 1.5 in.)
Bore (d)
12.700
mm

(Equiv. 0.5 in.)
Overall Length (L)
25.933
mm
Hub Diameter (hd)
31.750
mm
Mitre Gears - 18 tooth - 38.1x12.7 mm - Steel
Material: Steel    Hub Projection (F): 16.002 mm    Mounting Distance (C): 38.100 mm    Face Width (B): 8.382 mm   
Part Number: GM-038-D12-127-C (Each) Mitre Gears - 18 tooth - 38.1x12.7 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $175.32 AUD
Regular price $210.38 AUD Sale price $175.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
Teeth
18

Pitch Diameter (pd)
38.100
mm

(Equiv. 1.5 in.)
Bore (d)
12.700
mm

(Equiv. 0.5 in.)
Overall Length (L)
25.933
mm
Mitre Gears - 18 tooth - 38.1x12.7 mm - Steel
Material: Steel    Hub Diameter (hd): 31.750 mm    Hub Projection (F): 16.002 mm    Mounting Distance (C): 38.100 mm    Face Width (B): 8.382 mm   
Part Number: GM-038-D12-127-C (Each) Mitre Gears - 18 tooth - 38.1x12.7 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $175.32 AUD
Regular price $210.38 AUD Sale price $175.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
View the product page first if you are unsure.
Teeth
18

Pitch Diameter (pd)
38.100
mm

(Equiv. 1.5 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Overall Length (L)
25.933
mm
Hub Diameter (hd)
31.750
mm
Mitre Gears - 18 tooth - 38.1x15.875 mm - Steel
Material: Steel    Hub Projection (F): 16.002 mm    Mounting Distance (C): 38.100 mm    Face Width (B): 8.382 mm   
Part Number: GM-038-D12-159-C (Each) Mitre Gears - 18 tooth - 38.1x15.875 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $174.32 AUD
Regular price $209.18 AUD Sale price $174.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
Teeth
18

Pitch Diameter (pd)
38.100
mm

(Equiv. 1.5 in.)
Bore (d)
15.875
mm

(Equiv. 0.625 in.)
Overall Length (L)
25.933
mm
Mitre Gears - 18 tooth - 38.1x15.875 mm - Steel
Material: Steel    Hub Diameter (hd): 31.750 mm    Hub Projection (F): 16.002 mm    Mounting Distance (C): 38.100 mm    Face Width (B): 8.382 mm   
Part Number: GM-038-D12-159-C (Each) Mitre Gears - 18 tooth - 38.1x15.875 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $174.32 AUD
Regular price $209.18 AUD Sale price $174.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
View the product page first if you are unsure.
Teeth
21

Pitch Diameter (pd)
44.450
mm

(Equiv. 1.75 in.)
Bore (d)
12.700
mm

(Equiv. 0.5 in.)
Overall Length (L)
30.277
mm
Hub Diameter (hd)
35.052
mm
Mitre Gears - 21 tooth - 44.45x12.7 mm - Steel
Material: Steel    Hub Projection (F): 17.526 mm    Mounting Distance (C): 44.450 mm    Face Width (B): 10.160 mm   
Part Number: GM-044-D12-127-C (Each) Mitre Gears - 21 tooth - 44.45x12.7 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $174.77 AUD
Regular price $209.73 AUD Sale price $174.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
Teeth
21

Pitch Diameter (pd)
44.450
mm

(Equiv. 1.75 in.)
Bore (d)
12.700
mm

(Equiv. 0.5 in.)
Overall Length (L)
30.277
mm
Mitre Gears - 21 tooth - 44.45x12.7 mm - Steel
Material: Steel    Hub Diameter (hd): 35.052 mm    Hub Projection (F): 17.526 mm    Mounting Distance (C): 44.450 mm    Face Width (B): 10.160 mm   
Part Number: GM-044-D12-127-C (Each) Mitre Gears - 21 tooth - 44.45x12.7 mm 12DP Steel - Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $174.77 AUD
Regular price $209.73 AUD Sale price $174.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Each
View the product page first if you are unsure.