When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Hunt Boston Electric Pencil Sharpener Model 17 replacement Nylon helical gear
This Nylon gear has a 20% wider face (6mm) for better durability and reliability.Gear face is 20% wider compare to OEM and other replacements.It is made out of Nylon - tough and flexible plastic.Nylon is naturally slippery - no lubrication on gear teeth required.Only Nylons should be used for gears where a slippery surface is desired. All other materials (PLA, ABS, PET-G, etc.) will grind each other to dust and eventuallyfail.
Do not waste your money for pair of ABS, PLA or other plasticgear that will strip, crack or melt
For details and to compare, please review all pictures.Please lubricate the cutter shaft.
Gear specificationsTooth count 58
Diameter: 44.4mm (1-3/4\")
Hub width 8.2mm (1/3\")It fits cutting assembly shaft snugly, no clip required!
Also fit
Panasonic KP-22A sharpener
This gear purposely made 20% thicker so it won\'t break like original did.
It fit snugly and won\'t slip of the shaft thanks to a 15 degree helical angle.
Ruining motor pushes gear on to the shaft. Gear designed to be installed without the clip.Manufacturer omitted holding clip on later models.Thanks for reading.