HHIP 3903-0138 20mm Metric R8 Round Collet 20 mm industrial 7 mm DC Motor diameter:

7 mm DC Motor diameter: 42 mm Total 775 motor length: 98 mm Diagonal mounting spacing: 27

Attach onto axle to perform bike

Please check size carefully if it is match your demand before order

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Four sleeve sizes measure in at 1/2-by-1/2 inch

HHIP 3903-0138 20mm Metric R8 Round Collet 20 mm industrial 7 mm DC Motor diameter:HHIP 3903 0138 20mm Metric R8 Round Collet HHIP Metric R8 round collet is made of hardened high grade tool steel. It is machine tool accessory. Precision ground to close tolerance. Internal thread is 7 16" 20. Available in 20mm size. Product Features Made of hardened, high grade tool steel Precision ground to close tolerance Internal thread is 7 16" 20 T. I. R. is 0. 015mm