Sleeves - Square Hole - Plain - Hardened

Sleeves -> Square Hole -> Plain -> Hardened

There are 9 products in the sub-categories of Sleeves - Square Hole - Plain - Hardened. Browse the Sleeves - Square Hole - Plain - Hardened products table.

Category Details

A selection of Hardened Plain Square Hole Sleeves. Pre hardened to Rockwell 23-30C. Square and concentric to 0.076mm (0.003in). Round OD with with a uniform square hole all the way through.

    Miniature Bearings Australia - MBA Minibearings

    Additional resources:


    A more concise listing may be found in the Sleeves - Square Hole - Plain - Hardened category on the Small Parts & Bearings online store.
    Nominal Square Size Outside Diameter (C) Length (B) Actual Square Size (A) Indicative
    Image
    Nominal Square Size
    6.350
    mm
    +/- 0.0254
    (Equiv. 0.25 in.)
    Outside Diameter (C)
    14.288
    mm

    (Equiv. 0.563 in.)
    Length (B)
    50.800
    mm

    (Equiv. 2 in.)
    Actual Square Size (A)
    6.477
    mm
    		Square Hole Sleeves - 6.35x14.288x50.8 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-0635-1429-05080-H
    Square Hole Sleeves - 6.35x14.288x50.8 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $59.95 AUD
    $71.95 AUD $59.95 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size Outside Diameter (C) Length (B) Actual Square Size (A) Indicative
    Image
    Nominal Square Size
    6.350
    mm
    +/- 0.0254
    (Equiv. 0.25 in.)
    Outside Diameter (C)
    14.288
    mm

    (Equiv. 0.563 in.)
    Length (B)
    50.800
    mm

    (Equiv. 2 in.)
    Actual Square Size (A)
    6.477
    mm
    		Square Hole Sleeves - 6.35x14.288x50.8 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-0635-1429-05080-H
    Square Hole Sleeves - 6.35x14.288x50.8 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $59.95 AUD
    $71.95 AUD $59.95 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    7.938
    mm
    +/- 0.0254
    (Equiv. 0.313 in.)
    Outside Diameter (C)
    15.875
    mm

    (Equiv. 0.625 in.)
    Length (B)
    57.150
    mm

    (Equiv. 2.25 in.)
    Actual Square Size (A)
    8.052
    mm
    		Square Hole Sleeves - 7.938x15.875x57.15 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-0794-1588-05715-H
    Square Hole Sleeves - 7.938x15.875x57.15 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $61.41 AUD
    $73.69 AUD $61.41 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    7.938
    mm
    +/- 0.0254
    (Equiv. 0.313 in.)
    Outside Diameter (C)
    15.875
    mm

    (Equiv. 0.625 in.)
    Length (B)
    57.150
    mm

    (Equiv. 2.25 in.)
    Actual Square Size (A)
    8.052
    mm
    		Square Hole Sleeves - 7.938x15.875x57.15 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-0794-1588-05715-H
    Square Hole Sleeves - 7.938x15.875x57.15 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $61.41 AUD
    $73.69 AUD $61.41 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    11.111
    mm
    +/- 0.0254
    (Equiv. 0.437 in.)
    Outside Diameter (C)
    20.638
    mm

    (Equiv. 0.813 in.)
    Length (B)
    66.675
    mm

    (Equiv. 2.625 in.)
    Actual Square Size (A)
    11.201
    mm
    		Square Hole Sleeves - 11.111x20.638x66.675 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1111-2064-06668-H
    Square Hole Sleeves - 11.111x20.638x66.675 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $79.05 AUD
    $94.85 AUD $79.05 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    11.111
    mm
    +/- 0.0254
    (Equiv. 0.437 in.)
    Outside Diameter (C)
    20.638
    mm

    (Equiv. 0.813 in.)
    Length (B)
    66.675
    mm

    (Equiv. 2.625 in.)
    Actual Square Size (A)
    11.201
    mm
    		Square Hole Sleeves - 11.111x20.638x66.675 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1111-2064-06668-H
    Square Hole Sleeves - 11.111x20.638x66.675 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $79.05 AUD
    $94.85 AUD $79.05 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    12.700
    mm
    +/- 0.0254
    (Equiv. 0.5 in.)
    Outside Diameter (C)
    20.223
    mm

    (Equiv. 0.796 in.)
    Length (B)
    69.850
    mm

    (Equiv. 2.75 in.)
    Actual Square Size (A)
    12.827
    mm
    		Square Hole Sleeves - 12.7x20.223x69.85 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1270-2022-06985-H
    Square Hole Sleeves - 12.7x20.223x69.85 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $84.50 AUD
    $101.40 AUD $84.50 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    12.700
    mm
    +/- 0.0254
    (Equiv. 0.5 in.)
    Outside Diameter (C)
    20.223
    mm

    (Equiv. 0.796 in.)
    Length (B)
    69.850
    mm

    (Equiv. 2.75 in.)
    Actual Square Size (A)
    12.827
    mm
    		Square Hole Sleeves - 12.7x20.223x69.85 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1270-2022-06985-H
    Square Hole Sleeves - 12.7x20.223x69.85 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $84.50 AUD
    $101.40 AUD $84.50 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    15.875
    mm
    +/- 0.0254
    (Equiv. 0.625 in.)
    Outside Diameter (C)
    28.575
    mm

    (Equiv. 1.125 in.)
    Length (B)
    82.550
    mm

    (Equiv. 3.25 in.)
    Actual Square Size (A)
    16.002
    mm
    		Square Hole Sleeves - 15.875x28.575x82.55 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1600-2858-08255-H
    Square Hole Sleeves - 15.875x28.575x82.55 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $104.32 AUD
    $125.18 AUD $104.32 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    15.875
    mm
    +/- 0.0254
    (Equiv. 0.625 in.)
    Outside Diameter (C)
    28.575
    mm

    (Equiv. 1.125 in.)
    Length (B)
    82.550
    mm

    (Equiv. 3.25 in.)
    Actual Square Size (A)
    16.002
    mm
    		Square Hole Sleeves - 15.875x28.575x82.55 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1600-2858-08255-H
    Square Hole Sleeves - 15.875x28.575x82.55 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $104.32 AUD
    $125.18 AUD $104.32 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    19.050
    mm
    +/- 0.0254
    (Equiv. 0.75 in.)
    Outside Diameter (C)
    33.338
    mm

    (Equiv. 1.313 in.)
    Length (B)
    101.600
    mm

    (Equiv. 4 in.)
    Actual Square Size (A)
    19.177
    mm
    		Square Hole Sleeves - 19.05x33.338x101.6 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1905-3334-10160-H
    Square Hole Sleeves - 19.05x33.338x101.6 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $130.59 AUD
    $156.71 AUD $130.59 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    19.050
    mm
    +/- 0.0254
    (Equiv. 0.75 in.)
    Outside Diameter (C)
    33.338
    mm

    (Equiv. 1.313 in.)
    Length (B)
    101.600
    mm

    (Equiv. 4 in.)
    Actual Square Size (A)
    19.177
    mm
    		Square Hole Sleeves - 19.05x33.338x101.6 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-1905-3334-10160-H
    Square Hole Sleeves - 19.05x33.338x101.6 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $130.59 AUD
    $156.71 AUD $130.59 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    22.225
    mm
    +/- 0.0254
    (Equiv. 0.875 in.)
    Outside Diameter (C)
    38.100
    mm

    (Equiv. 1.5 in.)
    Length (B)
    101.600
    mm

    (Equiv. 4 in.)
    Actual Square Size (A)
    22.352
    mm
    		Square Hole Sleeves - 22.225x38.1x101.6 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-2225-3810-10160-H
    Square Hole Sleeves - 22.225x38.1x101.6 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $170.41 AUD
    $204.49 AUD $170.41 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    22.225
    mm
    +/- 0.0254
    (Equiv. 0.875 in.)
    Outside Diameter (C)
    38.100
    mm

    (Equiv. 1.5 in.)
    Length (B)
    101.600
    mm

    (Equiv. 4 in.)
    Actual Square Size (A)
    22.352
    mm
    		Square Hole Sleeves - 22.225x38.1x101.6 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-2225-3810-10160-H
    Square Hole Sleeves - 22.225x38.1x101.6 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $170.41 AUD
    $204.49 AUD $170.41 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    25.400
    mm
    +/- 0.0254
    (Equiv. 1 in.)
    Outside Diameter (C)
    44.450
    mm

    (Equiv. 1.75 in.)
    Length (B)
    127.000
    mm

    (Equiv. 5 in.)
    Actual Square Size (A)
    25.603
    mm
    		Square Hole Sleeves - 25.4x44.45x127 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-2540-4445-12700-H
    Square Hole Sleeves - 25.4x44.45x127 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $223.23 AUD
    $267.87 AUD $223.23 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    25.400
    mm
    +/- 0.0254
    (Equiv. 1 in.)
    Outside Diameter (C)
    44.450
    mm

    (Equiv. 1.75 in.)
    Length (B)
    127.000
    mm

    (Equiv. 5 in.)
    Actual Square Size (A)
    25.603
    mm
    		Square Hole Sleeves - 25.4x44.45x127 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-2540-4445-12700-H
    Square Hole Sleeves - 25.4x44.45x127 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $223.23 AUD
    $267.87 AUD $223.23 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    31.750
    mm
    +/- 0.0254
    (Equiv. 1.25 in.)
    Outside Diameter (C)
    57.150
    mm

    (Equiv. 2.25 in.)
    Length (B)
    127.000
    mm

    (Equiv. 5 in.)
    Actual Square Size (A)
    32.004
    mm
    		Square Hole Sleeves - 31.75x57.15x127 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-3175-5715-12700-H
    Square Hole Sleeves - 31.75x57.15x127 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $408.05 AUD
    $489.65 AUD $408.05 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.
    Nominal Square Size
    31.750
    mm
    +/- 0.0254
    (Equiv. 1.25 in.)
    Outside Diameter (C)
    57.150
    mm

    (Equiv. 2.25 in.)
    Length (B)
    127.000
    mm

    (Equiv. 5 in.)
    Actual Square Size (A)
    32.004
    mm
    		Square Hole Sleeves - 31.75x57.15x127 mm - Pre-Hardened Steel
    Material: Pre-Hardened Steel   
    Part Number: SLQ-3175-5715-12700-H
    Square Hole Sleeves - 31.75x57.15x127 mm Plain - Pre-Hardened Steel Sleeve
    Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
    $408.05 AUD
    $489.65 AUD $408.05 AUD
    Each
    Quantity Required

    Backorder: Out of Stock.