Steel dowel pin, used in AndyMark Plastic 4" DuraOmni Wheels as roller axles. 

Specifications:

• Length: 1.875 inch
• Diameter: 0.125 inch
• Material: Hardened steel
• Weight: 0.008 pounds

1/2 inch external retaining ring, used in the RAW Box. 

Specifications: 

• Material: Steel
• For Shaft Diameter: 1/2"
• Thickness: 0.031"
• Type: External Retaining Ring
• Free Inside Diameter: 0.456"
• Plier Hole Diameter: 0.40"
• Weight: 0.002 pounds

Steel dowel pin.

Specifications:

• Length: 1.0 inch
• Diameter: 0.25 inch
• Material: Hardened steel

Steel dowel pin, used in all AndyMark Plastic and Aluminum Omni Wheels as roller axles. These are NOT used in the Dura Omni Wheels.

Specifications:

• Length: 1.0"
• Diameter: 0.125"
• Material: Hardened Steel
• Weight: 0.0034 Lb

3/32" x 1" coiled roll pin. Used in AndyMark Shifter transmissions. 

Specifications:

• Material: Spring Steel
• Diameter: 0.098"
• Length: 1"
• Weight: 0.0012 Lb

This retainer clip is used to hold objects (such as gears) in place on shafts. 

Example: This product can be used to hold a gear onto a PG71 motor shaft. 

Specification: 

• Material: Steel
• Inner Diameter: 3/8"
• Outer Diameter: 0.64"
• Weight: Less than 0.001 lbs

E-Clip ring for 1/2" shaft 

Specifications:

• Material: steel w/ black phosphate coating
• Thickness: 0.05 inch
• Outside Diameter: 0.89 inch
• Groove Diameter: 0.44 +/- 0.008 inch
• Groove Thickness: 0.056-0.062 inch
• Weight: 0.0026 pounds

Specifications:

• Material: Steel with Black Phosphate Coating
• Thickness: 0.035 inch
• Free Inside Diameter: 0.300"
• Free Outside Diameter: 0.660"
• Groove Depth: 0.036"
• Groove Diameter: 0.303"
• Groove Width: 0.039"
• Shaft Diameter: 3/8"

This retainer clip is used to hold objects (such as gears) in place on shafts. 

Example: This product can be used to hold a gear onto a CIM motor shaft. 

Specification: 

• Material: Steel
• Inner Diameter: 8mm
• Outer Diameter: 15mm
• Weight: Less than 0.001 lbs

This retaining ring can be used on 6 mm D shafts to hold components in place. This is most useful on the shaft of NeveRest gearmotors & gearboxes. 

Product Overview:

• Inner Diameter: for 6mm D Shaft
• Outer Diameter: 0.437 in.
• Weight: 0.0005 Pounds

This external retaining ring is used to fit into a groove on a 3/4" shaft. 

External Rings fit into the groove of a shaft. The portion of the ring that protrudes from the groove holds the assembly in place. 

Example: Within AndyMark products, this fastener is used to hold the FlexHub into gears and sprockets with 3/4" hex bore.

Specification: 

• Material: Steel
• For Shaft Diameter: 3/4"
• Specification: ASME B18.27.1
• Thickness: 0.042"
• Type: External Retaining Ring
• Free Inside Diameter: 0.693"
• Lug Height: 0.136"
• Section Width Maximum/Minimum: 0.092/0.051"
• Groove Diameter: 0.704"
• Groove Width: 0.046"
• Groove Depth: 0.023"
• Plier Hole Diameter: 0.052"
• Weight: 0.002 pound

3/16" x 3/4" spring pin. Used in the WormBox gearbox.

Specifications:

• Material: spring steel
• Diameter: 3/16"
• Length: 3/4"
• Weight: 0.001 pounds

CHANNELLOCK Retaining Ring pliers have the kind of accuracy and engineering that'll keep them in your toolbox for years to come. This tool can open all Retaining Rings found on AndyMark Products. Internal and External Rings Change from internal to external rings with a simple switch of the tab. Interchangeable Tips Includes five pairs of color coded interchangeable tips.

• External: 0.25 in. to 2 in., Internal: 0.375 in. to 2 in. Includes tips: 0.039, 0.047, 0.074 straight and 0.039, 0.047 90°
• Change from internal to external rings with a simple switch of the tab
• Includes 5 pairs of color coded interchangeable tips
• Made in the USA
• Overall Length: 8 in.
• Jaw Length: 1.6 in.
• Handle Span: 4.85 in.