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AndyMark will be closed on Fridays through August 1st to allow staff flexible summer work hours.
AndyMark will be closed on Fridays through August 1st to allow staff flexible summer work hours.

Standard 20 DP Gears

Original price $12.80 - Original price $28.00
Original price $12.80 - Original price $28.00
Original price $12.80
$10.24 - $22.40
$10.24 - $22.40
Current price $10.24
67 of 68 Options available!

20 DP gears are the most common gears used in FIRST Robotics Competition gearboxes. Description Specifications Documentation Want to repl...

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Original price $12.80 - Original price $28.00
Original price $12.80 - Original price $28.00
Original price $12.80
$10.24 - $22.40
$10.24 - $22.40
Current price $10.24
Save up to 20% Save %

20 DP Pinion Gears

Original price $11.70 - Original price $13.80
Original price $11.70 - Original price $13.80
Original price $11.70
$5.30 - $11.04
$5.30 - $11.04
Current price $5.30

9 Options available!

Use these 20DP Pinion Gears by installing on a motor shaft to transfer the rotational output from the motor to other mechanical systems such as dri...

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Original price $11.70 - Original price $13.80
Original price $11.70 - Original price $13.80
Original price $11.70
$5.30 - $11.04
$5.30 - $11.04
Current price $5.30
Save up to 59% Save %

32 DP Pinion Gears

Original price $8.30 - Original price $12.80
Original price $8.30 - Original price $12.80
Original price $8.30
$6.64 - $10.24
$6.64 - $10.24
Current price $6.64

10 Options available!

These 32DP Pinion Gears are used to transfer the rotational output from the motor to other mechanical systems. Description Specifications Docum...

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Original price $8.30 - Original price $12.80
Original price $8.30 - Original price $12.80
Original price $8.30
$6.64 - $10.24
$6.64 - $10.24
Current price $6.64
Save up to 20% Save %

50 Tooth 20 DP 0.5 in. Hex Bore Steel Gear

Original price $22.00
Original price $22.00 - Original price $22.00
Original price $22.00
Current price $12.80
$12.80 - $12.80
Current price $12.80
am-0150

Description Specifications Documentation This gear is perfect for making 20 DP gear pairs. A 0.5 in. hex bore allows it for use with 0.5 ...

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Original price $22.00
Original price $22.00 - Original price $22.00
Original price $22.00
Current price $12.80
$12.80 - $12.80
Current price $12.80
Save 42% Save %

14 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

Original price $11.70
Original price $11.70 - Original price $11.70
Original price $11.70
Current price $6.40
$6.40 - $6.40
Current price $6.40

am-0151

Specifications Documentation Weight: 0.039 lbs

Original price $11.70
Original price $11.70 - Original price $11.70
Original price $11.70
Current price $6.40
$6.40 - $6.40
Current price $6.40
Save 45% Save %

Standard 32 DP Gears

Original price $12.80 - Original price $24.00
Original price $12.80 - Original price $24.00
Original price $12.80
$10.24 - $19.20
$10.24 - $19.20
Current price $10.24

13 Options available!

32 DP gears are fairly common gears used in FIRST Robotics Competition gearboxes. Description Specifications Documentation 32 DP gears ar...

View full details
Original price $12.80 - Original price $24.00
Original price $12.80 - Original price $24.00
Original price $12.80
$10.24 - $19.20
$10.24 - $19.20
Current price $10.24
Save up to 20% Save %

20 Tooth 1.25 Module 0.5 in. Hex Bore Steel Miter Gear

Original price $26.00
Original price $26.00 - Original price $26.00
Original price $26.00
Current price $20.80
$20.80 - $20.80
Current price $20.80

am-3772

Miter gears are a special class of bevel gears where the shafts intersect at 90 degrees and the gear ratio is 1:1. Description Specifications D...

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Original price $26.00
Original price $26.00 - Original price $26.00
Original price $26.00
Current price $20.80
$20.80 - $20.80
Current price $20.80
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32 DP Nub Bore Steel Gears for PicoBox

Original price $13.80 - Original price $17.50
Original price $13.80 - Original price $17.50
Original price $13.80
$11.04 - $14.00
$11.04 - $14.00
Current price $11.04

3 Options available!

Description Specifications Documentation PicoBox Gearboxes is an entire family of gearboxes we've developed with FIRST Tech Challenge ...

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Original price $13.80 - Original price $17.50
Original price $13.80 - Original price $17.50
Original price $13.80
$11.04 - $14.00
$11.04 - $14.00
Current price $11.04
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FIRST STEAMWORKS Gear

Original price $14.90
Original price $14.90 - Original price $14.90
Original price $14.90
Current price $7.45
$7.45 - $7.45
Current price $7.45

am-3302

This is an 11 inch, yellow, plastic gear. Description Specifications Documentation It was originally used in the 2017 FIRST® Robotics Com...

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Original price $14.90
Original price $14.90 - Original price $14.90
Original price $14.90
Current price $7.45
$7.45 - $7.45
Current price $7.45
Sold out

40 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

Original price $18.10
Original price $18.10 - Original price $18.10
Original price $18.10
Current price $12.80
$12.80 - $12.80
Current price $12.80

am-0024

Specifications Documentation Weight: 0.38 lbs

Original price $18.10
Original price $18.10 - Original price $18.10
Original price $18.10
Current price $12.80
$12.80 - $12.80
Current price $12.80
Save 29% Save %

60 Tooth 32 DP 0.375 in. Hex Bore Steel Gear

Original price $18.10
Original price $18.10 - Original price $18.10
Original price $18.10
Current price $9.60
$9.60 - $9.60
Current price $9.60

am-0927

This is the Output Gear used in the CIM-Sim Gearbox. Specifications Documentation Weight: 0.35 lbs

Original price $18.10
Original price $18.10 - Original price $18.10
Original price $18.10
Current price $9.60
$9.60 - $9.60
Current price $9.60
Save 47% Save %

20 Tooth 1.25 Module 8 mm Round Bore Steel Bevel Gear

Original price $32.00
Original price $32.00 - Original price $32.00
Original price $32.00
Current price $25.60
$25.60 - $25.60
Current price $25.60

am-2621

Description Specifications Documentation This 20 tooth bevel gear is paired with a 40 tooth bevel gear (am-2620) for a 2:1 reduction. ...

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Original price $32.00
Original price $32.00 - Original price $32.00
Original price $32.00
Current price $25.60
$25.60 - $25.60
Current price $25.60
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SDS Gear Ratio Kits

Original price $47.00
Original price $47.00 - Original price $47.00
Original price $47.00
Current price $37.60
$37.60 - $37.60
Current price $37.60

3 of 4 Options available!

These gears are the controlling factor for the SDS modules' drive gear ratios. Description Specifications Documentation The MK4 is compat...

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Original price $47.00
Original price $47.00 - Original price $47.00
Original price $47.00
Current price $37.60
$37.60 - $37.60
Current price $37.60
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40 Tooth 1.25 Module 0.375 in. Hex Bore Steel Bevel Gear

Original price $47.00
Original price $47.00 - Original price $47.00
Original price $47.00
Current price $37.60
$37.60 - $37.60
Current price $37.60
am-2620

Description Specifications Documentation This 40 tooth bevel gear is paired with a 20 tooth bevel gear (am-2621) for a 2:1 reduction. ...

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Original price $47.00
Original price $47.00 - Original price $47.00
Original price $47.00
Current price $37.60
$37.60 - $37.60
Current price $37.60
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Spur Gear Stock

Original price $22.00 - Original price $340.00
Original price $22.00 - Original price $340.00
Original price $22.00
$17.60 - $272.00
$17.60 - $272.00
Current price $17.60
47 of 48 Options available!

Gear stock is perfect for creating custom sized gears. Description Specifications Documentation Gear stock is perfect for creating custom ...

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Original price $22.00 - Original price $340.00
Original price $22.00 - Original price $340.00
Original price $22.00
$17.60 - $272.00
$17.60 - $272.00
Current price $17.60
Save up to 50% Save %

28 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

Original price $13.80
Original price $13.80 - Original price $13.80
Original price $13.80
Current price $11.04
$11.04 - $11.04
Current price $11.04

am-0025

Description Specifications Documentation This is a 28 tooth Steel gear that has a 0.375in. Hex bore. Weight: 0.2 lbs

Original price $13.80
Original price $13.80 - Original price $13.80
Original price $13.80
Current price $11.04
$11.04 - $11.04
Current price $11.04
Save 20% Save %

4 Tooth 0.5 in. Hex Bore Bronze Dog Gear

Original price $37.00
Original price $37.00 - Original price $37.00
Original price $37.00
Current price $29.60
$29.60 - $29.60
Current price $29.60

am-3568

This dog gear is used within all of AndyMark's EVO Shifter two speed gearboxes. Description Specifications Documentation The dog gear has ...

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Original price $37.00
Original price $37.00 - Original price $37.00
Original price $37.00
Current price $29.60
$29.60 - $29.60
Current price $29.60
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15 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

Original price $11.70
Original price $11.70 - Original price $11.70
Original price $11.70
Current price $6.40
$6.40 - $6.40
Current price $6.40
am-0451

15 Tooth 20DP Gear Specifications Documentation Weight: 0.1 lbs

Original price $11.70
Original price $11.70 - Original price $11.70
Original price $11.70
Current price $6.40
$6.40 - $6.40
Current price $6.40
Save 45% Save %

20 Tooth 1.25 Module 8 mm Round Bore Steel Miter Gear

Original price $26.00
Original price $26.00 - Original price $26.00
Original price $26.00
Current price $14.90
$14.90 - $14.90
Current price $14.90

am-3776

Miter gears are a special class of bevel gears where the shafts intersect at 90 degrees and the gear ratio is 1:1. Description Specifications D...

View full details
Original price $26.00
Original price $26.00 - Original price $26.00
Original price $26.00
Current price $14.90
$14.90 - $14.90
Current price $14.90
Save 43% Save %

14 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

Original price $15.40
Original price $15.40 - Original price $15.40
Original price $15.40
Current price $12.32
$12.32 - $12.32
Current price $12.32

am-2354

Here is a 14 tooth gear with a 3/8 in. hex bore Specifications Documentation Weight: 0.1 lbs

Original price $15.40
Original price $15.40 - Original price $15.40
Original price $15.40
Current price $12.32
$12.32 - $12.32
Current price $12.32
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Robits 20 DP Gears

Original price $3.70 - Original price $4.30
Original price $3.70 - Original price $4.30
Original price $3.70
$2.96 - $3.44
$2.96 - $3.44
Current price $2.96
4 Options available!

These gears are a vital part of the Robits Building System. Description Specifications Documentation These gears are a vital part of the ...

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Original price $3.70 - Original price $4.30
Original price $3.70 - Original price $4.30
Original price $3.70
$2.96 - $3.44
$2.96 - $3.44
Current price $2.96
Save up to 20% Save %

SDS 45 Tooth Bevel Gear

Original price $32.00
Original price $32.00 - Original price $32.00
Original price $32.00
Current price $25.60
$25.60 - $25.60
Current price $25.60
am-5235

Description Specifications Documentation This gear exactly controls the rotation of the wheel on an SDS Module when mated with the 15 Too...

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Original price $32.00
Original price $32.00 - Original price $32.00
Original price $32.00
Current price $25.60
$25.60 - $25.60
Current price $25.60
Sold out

SDS 15 Tooth Bevel Gear

Original price $15.90
Original price $15.90 - Original price $15.90
Original price $15.90
Current price $12.72
$12.72 - $12.72
Current price $12.72
am-5234

Description Specifications Documentation This tiny gear exactly controls the rotation of the wheel on an SDS Module when mated with the 4...

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Original price $15.90
Original price $15.90 - Original price $15.90
Original price $15.90
Current price $12.72
$12.72 - $12.72
Current price $12.72
Save 20% Save %

50 Tooth 20 DP 1.125 in. Round Bore Steel Bolt Circle Bearing Gear

Original price $24.00
Original price $24.00 - Original price $24.00
Original price $24.00
Current price $10.60
$10.60 - $10.60
Current price $10.60
am-3209

This 50 tooth gear features the same six hole bole circle featured on AndyMark wheels. Description Specifications Documentation This gear...

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Original price $24.00
Original price $24.00 - Original price $24.00
Original price $24.00
Current price $10.60
$10.60 - $10.60
Current price $10.60
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