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    Head Liner Bushings – Metric (HM)

    Head Liner Bushings – Metric (HM)

    Drill-Jig Bushings

    Metric Head Liner Bushings are simply specific large ID sizes of HM Head Press-Fit Bushings. Liners are permanently installed bushings used to hold renewable drill bushings. The liner's ID has a precise sliding fit with the renewable bushing's OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    Complete part numbers for all standard Metric Head Liner Bushings are listed in the tables below.

    Application Information

    Metric Head Liners are permanent bushings used to hold renewable drill bushings. The head provides resistance to axial loads, and is usually recessed in the plate.

    ID Tolerance

    Standard Liner ID Tolerance (G6):
    From 8 to 10mm +.005/+.014mm
    Over 10 to 18mm +.006/+.017mm
    Over 18 to 30mm +.007/+.020mm
    Over 30 to 50mm +.009/+.025mm
    Over 50 to 80mm +.010/+.029mm
    Over 80 to 105mm +.012/+.034mm

    OD Tolerance

    Standard OD Tolerance (s6):
    12 to 18mm +.039/+.028
    22 to 30mm +.048/+.035
    35 to 48mm +.059/+.043
    55 to 62mm +.072/+.053
    70 to 78mm +.078/+.059
    85 to 95mm +.093/+.071
    105 to 115mm +.101/+.079
    125mm +.117/+.092

    Material

    1144 Stressproof steel, heat treated to achieve Rc 62-64 ID hardness. Other materials are available by special order. DFARS and RoHS compliant.

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    HEAD PRESS FIT METRIC BUSHING CL-HM-105-105-85.00

    SKU: CL-HM-105-105-85.00
    MPN: HM-105-105-85.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-105-40-85.00

    SKU: CL-HM-105-40-85.00
    MPN: HM-105-40-85.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-105-78-85.00

    SKU: CL-HM-105-78-85.00
    MPN: HM-105-78-85.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-115-112-95.00

    SKU: CL-HM-115-112-95.00
    MPN: HM-115-112-95.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-115-45-95.00

    SKU: CL-HM-115-45-95.00
    MPN: HM-115-45-95.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-115-89-95.00

    SKU: CL-HM-115-89-95.00
    MPN: HM-115-89-95.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-12-10-8.00

    SKU: CL-HM-12-10-8.00
    MPN: HM-12-10-8.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-12-16-8.00

    SKU: CL-HM-12-16-8.00
    MPN: HM-12-16-8.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HEAD PRESS FIT METRIC BUSHING CL-HM-125-112-105.00

    SKU: CL-HM-125-112-105.00
    MPN: HM-125-112-105.00
    Email Sales for Pricing
    Metric Head Liner Bushings are simply specific ID sizes of HM Head Press-Fit Bushings. Liners are permanent bushings used to hold renewable drill bushings. The liner''s ID has a precise sliding fit with the renewable bushing''s OD. The liner accurately locates the renewable bushing and protects the jig plate from wear and damage caused by frequent bushing replacement. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    Head Liner Bushings – Metric (HM)