Improved Nylon Gear Boston Model 21, 22, 24, 1730 Electric Pencil
Sharpener 296a
USD $8.98
Condition : New with tags
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Hunt Boston Electric Pencil Sharpener Model 21, 22, 24, 1730 replacement plastic helical gear 78 toothSpecifications:
Outer diameter 60.33mmGear face width 6mm
Hub width 8.6mmThis fine Nylon gear has improved design with 6mm wide face for better durability and performanceOur gear is 20% thicker compare to OEM and other replacements.It fit snugly and won't slip of the shaft thanks to fine tuned center hole configuration and 15 degree Helical teeth angle
3D printed out of Nylon - tough and flexible plasticOnly Nylons should be used for gears where a slippery surface is desired. All other materials (PLA, ABC, PET, etc.) will grind creating a plastic dust and eventually fail!For details, please review all pictures and compare to OEM gear shown on last picture.
Do not waste money for ABS, PLA plastic gear that may strip or melt
If your Boston 19 sharpener has inner gear stripped (original gear is incorporated in to the ABS plastic frame)Please visit our eBay item number: 362649630795 Thanks for reading.
Outer diameter 60.33mmGear face width 6mm
Hub width 8.6mmThis fine Nylon gear has improved design with 6mm wide face for better durability and performanceOur gear is 20% thicker compare to OEM and other replacements.It fit snugly and won't slip of the shaft thanks to fine tuned center hole configuration and 15 degree Helical teeth angle
3D printed out of Nylon - tough and flexible plasticOnly Nylons should be used for gears where a slippery surface is desired. All other materials (PLA, ABC, PET, etc.) will grind creating a plastic dust and eventually fail!For details, please review all pictures and compare to OEM gear shown on last picture.
Do not waste money for ABS, PLA plastic gear that may strip or melt
If your Boston 19 sharpener has inner gear stripped (original gear is incorporated in to the ABS plastic frame)Please visit our eBay item number: 362649630795 Thanks for reading.
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