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AndyMark's Summer Hours:  Monday - Thursday, 8:00 am - 5:00 pm ET. Closed Fridays through July 31, 2026.
20% OFF! Use code SAVE20 to save 20% on select products!
AndyMark's Summer Hours:  Monday - Thursday, 8:00 am - 5:00 pm ET. Closed Fridays through July 31, 2026.
20% OFF! Use code SAVE20 to save 20% on select products!

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3 in. Plastic Omni Wheel With 3/8 Hex Bore

Original price $18.10 USD - Original price $18.10 USD
Original price $18.10 USD
$18.10 USD
$18.10 USD - $18.10 USD
Current price $18.10 USD

am-4967a

This is our 3 in. plastic omni wheel. Description What's in the Box? Specifications Documentation This unassembled wheel kit features...

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Original price $18.10 USD - Original price $18.10 USD
Original price $18.10 USD
$18.10 USD
$18.10 USD - $18.10 USD
Current price $18.10 USD

Compliant Wheels

Original price $5.90 USD - Original price $10.60 USD
Original price $5.90 USD
$5.90 USD - $10.60 USD
$5.90 USD - $10.60 USD
Current price $5.90 USD

45 Options available!

Description Specifications Documentation Compliant wheels are not intended for moving robots, but moving objects. The now ubiquito...

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Original price $5.90 USD - Original price $10.60 USD
Original price $5.90 USD
$5.90 USD - $10.60 USD
$5.90 USD - $10.60 USD
Current price $5.90 USD

AndyMark Hubs

Original price $9.30 USD - Original price $11.70 USD
Original price $9.30 USD
$9.30 USD - $11.70 USD
$9.30 USD - $11.70 USD
Current price $9.30 USD

5 Options available!

These high-strength aluminum Hubs are designed for competition robots. Description Specifications Documentation AndyMark has been selling hub...

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Original price $9.30 USD - Original price $11.70 USD
Original price $9.30 USD
$9.30 USD - $11.70 USD
$9.30 USD - $11.70 USD
Current price $9.30 USD

Stealth and Sushi Wheels

Original price $5.10 USD - Original price $8.80 USD
Original price $5.10 USD
$5.10 USD - $8.80 USD
$5.10 USD - $8.80 USD
Current price $5.10 USD

72 Options available!

This strong, lightweight wheel is an ideal drive wheel for smaller robots, or for intakes and other auxiliary robot mechanisms. Description Spe...

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Original price $5.10 USD - Original price $8.80 USD
Original price $5.10 USD
$5.10 USD - $8.80 USD
$5.10 USD - $8.80 USD
Current price $5.10 USD

3 in. Plastic Dualie Wheel With 3/8 Hex Bore

Original price $31.00 USD - Original price $31.00 USD
Original price $31.00 USD
$31.00 USD
$31.00 USD - $31.00 USD
Current price $31.00 USD
am-4979a

This is our 3 in. plastic Dualie omni wheel. Description What's in the Box? Specifications Documentation This is our 3 in. plastic dua...

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Original price $31.00 USD - Original price $31.00 USD
Original price $31.00 USD
$31.00 USD
$31.00 USD - $31.00 USD
Current price $31.00 USD

Robits 7 Tooth 3/8 in. Hex Bore Cog

Original price $15.90 USD - Original price $15.90 USD
Original price $15.90 USD
$15.90 USD
$15.90 USD - $15.90 USD
Current price $15.90 USD
am-5472

This Cog is the centerpeice of the Robits Cog Drive Kit. Description Specifications Documentation This Cog is the centerpeice of the Robi...

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Original price $15.90 USD - Original price $15.90 USD
Original price $15.90 USD
$15.90 USD
$15.90 USD - $15.90 USD
Current price $15.90 USD

3 in. BB Mecanum Wheels

Original price $39.00 USD - Original price $149.00 USD
Original price $39.00 USD
$39.00 USD - $149.00 USD
$39.00 USD - $149.00 USD
Current price $39.00 USD
6 Options available!

The 3 in. BB Mecanum Wheel is a small, lightweight, slim omni-directional wheel. Description Specifications Documentation The 3 in. BB Me...

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Original price $39.00 USD - Original price $149.00 USD
Original price $39.00 USD
$39.00 USD - $149.00 USD
$39.00 USD - $149.00 USD
Current price $39.00 USD

24T Plastic HTD Pulleys

Original price $4.80 USD - Original price $7.00 USD
Original price $4.80 USD
$4.80 USD - $7.00 USD
$4.80 USD - $7.00 USD
Current price $4.80 USD

4 Options available!

These are 24 tooth pulleys that work with 5 mm pitch HTD timing belts. Description Specifications Documentation These are 24 tooth...

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Original price $4.80 USD - Original price $7.00 USD
Original price $4.80 USD
$4.80 USD - $7.00 USD
$4.80 USD - $7.00 USD
Current price $4.80 USD

4 in. BB Mecanum Wheels

Original price $50.00 USD - Original price $185.00 USD
Original price $50.00 USD
$50.00 USD - $185.00 USD
$50.00 USD - $185.00 USD
Current price $50.00 USD

9 Options available!

The 4 in. BB Mecanum Wheel is a slim, smoother-rolling version of the onmi-directional motion wheel. Description Specifications Documentation ...

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Original price $50.00 USD - Original price $185.00 USD
Original price $50.00 USD
$50.00 USD - $185.00 USD
$50.00 USD - $185.00 USD
Current price $50.00 USD

1/2 in. and 3/8 in. Hex Spacer Kit

Original price $149.00 USD - Original price $149.00 USD
Original price $149.00 USD
$149.00 USD
$149.00 USD - $149.00 USD
Current price $149.00 USD
am-4073a

This spacer bundle includes numerous lengths of plastic spacers that fit 3/8 and 1/2 hex shafts. Description What's in the Box? Specifications...

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Original price $149.00 USD - Original price $149.00 USD
Original price $149.00 USD
$149.00 USD
$149.00 USD - $149.00 USD
Current price $149.00 USD

SDS Gear Ratio Kits

Original price $47.00 USD - Original price $47.00 USD
Original price $47.00 USD
$47.00 USD
$47.00 USD - $47.00 USD
Current price $47.00 USD

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 USD - Original price $47.00 USD
Original price $47.00 USD
$47.00 USD
$47.00 USD - $47.00 USD
Current price $47.00 USD

Standard 32 DP Gears

Original price $12.80 USD - Original price $24.00 USD
Original price $12.80 USD
$12.80 USD - $24.00 USD
$12.80 USD - $24.00 USD
Current price $12.80 USD

13 Options available!

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

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Original price $12.80 USD - Original price $24.00 USD
Original price $12.80 USD
$12.80 USD - $24.00 USD
$12.80 USD - $24.00 USD
Current price $12.80 USD

Standard 20 DP Gears

Original price $12.80 USD - Original price $28.00 USD
Original price $12.80 USD
$12.80 USD - $28.00 USD
$12.80 USD - $28.00 USD
Current price $12.80 USD
68 Options available!

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

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Original price $12.80 USD - Original price $28.00 USD
Original price $12.80 USD
$12.80 USD - $28.00 USD
$12.80 USD - $28.00 USD
Current price $12.80 USD

3 in. Omni Wheel Hex Hub

Original price $6.40 USD - Original price $6.40 USD
Original price $6.40 USD
$6.40 USD
$6.40 USD - $6.40 USD
Current price $6.40 USD
am-4967_hub

Description Specifications Documentation This hub is used on the 3 in. Omni Wheel to give it a 3/8 in. hex bore. Bolt Pattern: 3 h...

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Original price $6.40 USD - Original price $6.40 USD
Original price $6.40 USD
$6.40 USD
$6.40 USD - $6.40 USD
Current price $6.40 USD

3/8 in. Hex Collar Clamps

Original price $5.20 USD - Original price $6.30 USD
Original price $5.20 USD
$5.20 USD - $6.30 USD
$5.20 USD - $6.30 USD
Current price $5.20 USD

4 Options available!

These Collar Clamps fit on 3/8 in. hex shaft. Description Specifications Documentation Collar Clamps are very useful in keeping a shaft fr...

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Original price $5.20 USD - Original price $6.30 USD
Original price $5.20 USD
$5.20 USD - $6.30 USD
$5.20 USD - $6.30 USD
Current price $5.20 USD

20 Tooth 1.5 Module 3/8 in. Hex Bore Steel Bevel Gear

Original price $17.00 USD - Original price $17.00 USD
Original price $17.00 USD
$17.00 USD
$17.00 USD - $17.00 USD
Current price $17.00 USD

am-4869

Description Specifications Documentation This bevel gear has a 0.375 in. hex bore and a mounting distance of 1.0 in. This gear is used in...

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Original price $17.00 USD - Original price $17.00 USD
Original price $17.00 USD
$17.00 USD
$17.00 USD - $17.00 USD
Current price $17.00 USD

Robits 5 in. Snail Cam

Original price $4.50 USD - Original price $4.50 USD
Original price $4.50 USD
$4.50 USD
$4.50 USD - $4.50 USD
Current price $4.50 USD
am-5046

Description Specifications Documentation This Cam can be used to create a sudden release of energy. As the Cam rotates, the diameter increase...

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Original price $4.50 USD - Original price $4.50 USD
Original price $4.50 USD
$4.50 USD
$4.50 USD - $4.50 USD
Current price $4.50 USD

14 Tooth 20 DP 0.375 in. Hex Bore Steel Gear, 0.4 in. width

Original price $15.40 USD - Original price $15.40 USD
Original price $15.40 USD
$15.40 USD
$15.40 USD - $15.40 USD
Current price $15.40 USD

am-2354

Here is a 14 tooth gear with a 3/8 in. hex bore Specifications Documentation Bore: 0.375 in. [9.5 mm] (3/8) Hex Diametral Pitch: 20 ...

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Original price $15.40 USD - Original price $15.40 USD
Original price $15.40 USD
$15.40 USD
$15.40 USD - $15.40 USD
Current price $15.40 USD

SDS 32 Tooth 32 DP 3/8 in. Hex Bore Gear

Original price $15.90 USD - Original price $15.90 USD
Original price $15.90 USD
$15.90 USD
$15.90 USD - $15.90 USD
Current price $15.90 USD
am-5233

Description Specifications Documentation This 32 tooth hex bore gear is used on the SDS MK4 Swerve Module. Pocketed for reduced weight. ...

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Original price $15.90 USD - Original price $15.90 USD
Original price $15.90 USD
$15.90 USD
$15.90 USD - $15.90 USD
Current price $15.90 USD

28 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

Original price $13.80 USD
Original price $13.80 USD - Original price $13.80 USD
Original price $13.80 USD
Current price $7.00 USD
$7.00 USD - $7.00 USD
Current price $7.00 USD

am-0025

Description Specifications Documentation This is a 28 tooth Steel gear that has a 0.375in. Hex bore. Bore: 0.37...

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Original price $13.80 USD
Original price $13.80 USD - Original price $13.80 USD
Original price $13.80 USD
Current price $7.00 USD
$7.00 USD - $7.00 USD
Current price $7.00 USD
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SDS 15 Tooth Bevel Gear

Original price $15.90 USD - Original price $15.90 USD
Original price $15.90 USD
$15.90 USD
$15.90 USD - $15.90 USD
Current price $15.90 USD
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 USD - Original price $15.90 USD
Original price $15.90 USD
$15.90 USD
$15.90 USD - $15.90 USD
Current price $15.90 USD

60 Tooth 32 DP 0.375 in. Hex Bore Steel Gear

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

am-0927

This is the Output Gear used in the CIM-Sim Gearbox. Specifications Documentation Bore: 0.375 in. [9.5 mm] (3/8) Hex Diametral Pitch: ...

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

19 Tooth 32 DP 0.375 in. Hex Bore Steel Gear

Original price $14.90 USD
Original price $14.90 USD - Original price $14.90 USD
Original price $14.90 USD
Current price $9.60 USD
$9.60 USD - $9.60 USD
Current price $9.60 USD
am-2337

Specifications Documentation Bore: 0.375 in. [9.5 mm] (3/8) Hex Diametral Pitch: 32 Face Width: 0.44 in. Finish: Zinc Plated Ma...

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Original price $14.90 USD
Original price $14.90 USD - Original price $14.90 USD
Original price $14.90 USD
Current price $9.60 USD
$9.60 USD - $9.60 USD
Current price $9.60 USD
Save 36% Save %

15 Tooth 20 DP 0.375 in. Hex Bore Steel Gear

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

15 Tooth 20DP Gear Specifications Documentation Bore: 0.375 in. [9.5 mm] (3/8) Hex Diametral Pitch: 20 Face Width: 0.46 in. Finish...

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