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    HM Head Press Fit Metric

    Head Press-Fit Bushings – Metric (HM)

    Drill-Jig Bushings

    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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 Press-Fit Bushings (all standard ID, OD, and length combinations) are listed in the tables below.

    Application Information

    HM bushings are permanently pressed into the jig plate. The head can be left exposed, or recessed by counterboring the installation hole.

    ID Tolerance

    Standard ID Tolerance (G6):
    From .35 to 3mm +.002/+.008mm
    Over 3 to 6mm +.004/+.012mm
    Over 6 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 120mm +.012/+.034mm

    Reamer ID Tolerance (F6) (Special):
    From 1 to 3mm +.006/+.012mm
    Over 3 to 6mm +.010/+.018mm
    Over 6 to 10mm +.013/+.022mm
    Over 10 to 18mm +.016/+.027mm
    Over 18 to 30mm +.020/+.033mm

    Reamer bushings have a different ID-tolerance range than drill bushings. To special-order bushings with the reamer ID tolerance shown here, add "-REAMER" to the part number:
    HM-8-12-4.50-REAMER (Special)

    OD Tolerance

    Standard OD Tolerance (s6):
    4 to 6mm +.027/+.019
    7 to 10mm +.032/+.023
    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

    Counterbore on Small ID Sizes

    Metric bushings with small drill sizes through .80mm are counterbored 1.00mm diameter with 3mm drill-bearing length, according to ANSI standards, to eliminate binding and heat buildup.

    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-10-10-5.10

    SKU: CL-HM-10-10-5.10
    MPN: HM-10-10-5.10
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.20

    SKU: CL-HM-10-10-5.20
    MPN: HM-10-10-5.20
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.25

    SKU: CL-HM-10-10-5.25
    MPN: HM-10-10-5.25
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.30

    SKU: CL-HM-10-10-5.30
    MPN: HM-10-10-5.30
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.40

    SKU: CL-HM-10-10-5.40
    MPN: HM-10-10-5.40
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.50

    SKU: CL-HM-10-10-5.50
    MPN: HM-10-10-5.50
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.60

    SKU: CL-HM-10-10-5.60
    MPN: HM-10-10-5.60
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.70

    SKU: CL-HM-10-10-5.70
    MPN: HM-10-10-5.70
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. 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-10-10-5.75

    SKU: CL-HM-10-10-5.75
    MPN: HM-10-10-5.75
    Email Sales for Pricing
    Metric version of our popular H bushing. HM bushings are permanently pressed into the jig plate. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling's lifetime. The head can be left exposed, or recessed by counterboring the installation hole. Note: the "length" listed for an HM bushing refers to its overall length, not its length under the head.

    HM Head Press Fit Metric