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    23 Products

    Step-Up Shaft Adapters

    Image of Product. Front orientation. Shaft Adapters. Step-Up Shaft Adapters, For Keyed Shafts.
    Image of Product. Front orientation. Shaft Adapters. Step-Up Shaft Adapters, For Round Shafts.

    For Keyed Shafts

    For Round Shafts

    Image of Attribute. Front orientation. Contains Annotated. Step-Up Shaft Adapters.
    Increase the diameter of your shaft while also making it longer. One side of these adapters clamp onto your shaft; the other side becomes your new larger end so you don’t have to replace the entire shaft. Tighten the clamping screws for a firm, even grip that won’t damage shafts.
    Black Oxide Steel—Black-oxide steel adapters have a finish that adds a layer of rust resistance but should be used in primarily dry environments. Because they’re steel, they balance high strength and good machinability, making them ideal for general purpose use.
    303 Stainless Steel—303 stainless steel adapters resist corrosion in damp environments. They are easier to machine than other types of stainless steel but more difficult to machine than steel.
    For Shaft
    Dia.
    Shaft
    Dia.
    Overall
    Lg.
    Shaft
    Lg.
    Bore
    Dp.
    OD
    Max. Rotation
    Speed
    Max.
    Torque
    Each
    Black Oxide Steel
     
    For Keyed Shafts
    1/2"3/4"2 3/4"1 1/4"1 1/4"1 1/4"Not RatedNot Rated3256K210000000
    5/8"7/8"3 1/4"1 1/2"1 3/8"1 1/2"Not RatedNot Rated3256K22000000
    3/4"1"4 1/4"2 3/8"1 5/8"1 3/4"Not RatedNot Rated3256K23000000
    7/8"1 1/8"4 3/8"2"1 7/8"2"Not RatedNot Rated3256K24000000
    1"1 1/4"4 3/4"2 3/8"2"2"Not RatedNot Rated3256K25000000
    1 1/8"1 3/8"4 3/4"2 3/8"2"2 1/8"Not RatedNot Rated3256K26000000
    1 1/4"1 1/2"5"2 1/2"2"2 1/4"Not RatedNot Rated3256K27000000
     
    For Round Shafts
    1/4"3/8"1 7/8"7/8"13/16"13/16"Not RatedNot Rated3256K1900000
    3/8"1/2"2 1/2"1 1/8"1 1/8"1 1/16"Not RatedNot Rated3256K1800000
    1/2"3/4"2 3/4"1 1/4"1 1/4"1 1/4"Not RatedNot Rated3256K1100000
    5/8"7/8"3 1/4"1 1/2"1 3/8"1 1/2"Not RatedNot Rated3256K1200000
    3/4"1"4 1/4"2"1 5/8"1 3/4"Not RatedNot Rated3256K1300000
    7/8"1 1/8"4 3/8"2"1 7/8"1 7/8"Not RatedNot Rated3256K1400000
    1"1 1/4"4 3/4"2 3/8"2"2"Not RatedNot Rated3256K1500000
    1 1/8"1 3/8"4 3/4"2 3/8"2"2 1/8"Not RatedNot Rated3256K1600000
    1 1/4"1 1/2"5"2 1/2"2"2 1/4"Not RatedNot Rated3256K1700000
     
    303 Stainless Steel
     
    For Keyed Shafts
    1/2"3/4"2 3/4"1 1/4"1 1/4"1 1/4"Not RatedNot Rated3256K44000000
    5/8"7/8"3 1/4"1 1/2"1 3/8"1 1/2"Not RatedNot Rated3256K45000000
    3/4"1"4 1/4"2"1 5/8"1 3/4"Not RatedNot Rated3256K46000000
    1"1 1/4"4 3/4"2 3/8"2"2"Not RatedNot Rated3256K47000000
     
    For Round Shafts
    1/2"3/4"2 3/4"1 1/4"1 1/4"1 1/4"Not RatedNot Rated3256K4100000
    5/8"7/8"3 1/4"1 1/2"1 3/8"1 1/2"Not RatedNot Rated3256K4200000
    3/4"1"4 1/4"2"1 5/8"1 3/4"Not RatedNot Rated3256K43000000
     
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