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81 Types No Repeating Plastic Gear 0 5 Modulus Rack Reduction Gear Box DIY Model Accessories
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81 Types No Repeating Plastic Gear 0 5 Modulus Rack Reduction Gear Box DIY Model Accessories

81 Types No Repeating Plastic Gear 0.5 Modulus Rack Reduction Gear Box DIY Model Accessories F17630

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Price:  $ 2.37 / piece
Sale Price:  $ 1.92 / piece
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81 Types Not Repeating Plastic Gear 0.5 Modulus Rack Reduction Gear Box DIY Model Accessories

81 kinds of plastic gear , in this gear package includes a variety of different numbers of teeth of the gear, rack, gear modulus all 0.5 modulus, can freely mix, which contains seven kinds of models additionally pulley.

Type : 81 species no repeat containing standard gear, fan gear, rack, worm, pulleys, belts (20 belt count one kind)

Modulus : 0.5

Hole Diameter :0.8, 1, 1.9, 2.05, 2.55, 3

Material : POM Plastic

Tips :

(1) Gear diameter formula: gear outer diameter (addendum circle) = (number of teeth +2) * modulus

(2) If the axle of 2mm, you need to bear with gears, select gears 1.9mm hole;

If you need to loose with, that is, free to slide, select 2.05mm hole gear;

Namely: tight fit, choose a small 0.1mm hole gear, loose gear with a large selection of 0.05mm

Thank you for you choose our product , we are trustworthy ,if you have any questions ,please message us freely , we would like to try our best to solve your issue .

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DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  $ 2.37 / piece
Sale Price:  $ 1.92 / piece
from AliExpress