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    SPM Serrated Press Fit Metric

    Serrated Press-Fit Bushings – Metric (SPM)

    Drill-Jig Bushings

    SPM bushings are similar to PM bushings, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Serrations also resist axial force to prevent pushing the bushing through the jig plate. The finish-ground OD below the serrations ensures accurate ID location.

    Complete part numbers for all standard SPM bushings (all standard ID, OD, and length combinations) are listed in the tables below.

    Application Information

    SPM bushings have top serrations to prevent rotation in softer materials, such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location.

    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

    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:
    SPM-8-12-4.50-REAMER (Special)

    OD Tolerance

    Standard OD Tolerance (h5):
    5 to 6mm 0/-.006
    7 to 10mm 0/-.006
    12 to 18mm 0/-.006
    22 to 26mm 0/-.006

    Counterbore on Small Drill 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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    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.10

    SKU: CL-SPM-10-10-5.10
    MPN: SPM-10-10-5.10
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.20

    SKU: CL-SPM-10-10-5.20
    MPN: SPM-10-10-5.20
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.25

    SKU: CL-SPM-10-10-5.25
    MPN: SPM-10-10-5.25
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.30

    SKU: CL-SPM-10-10-5.30
    MPN: SPM-10-10-5.30
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.40

    SKU: CL-SPM-10-10-5.40
    MPN: SPM-10-10-5.40
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.50

    SKU: CL-SPM-10-10-5.50
    MPN: SPM-10-10-5.50
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.60

    SKU: CL-SPM-10-10-5.60
    MPN: SPM-10-10-5.60
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.70

    SKU: CL-SPM-10-10-5.70
    MPN: SPM-10-10-5.70
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SERRATED PRESS FIT METRIC BUSHING CL-SPM-10-10-5.75

    SKU: CL-SPM-10-10-5.75
    MPN: SPM-10-10-5.75
    Email Sales for Pricing
    Similar to a PM bushing, but with top serrations to prevent rotation in soft materials. SPM bushings are recommended in high-torque situations for materials such as magnesium, aluminum, masonite, or wood. Finish-ground OD ensures accurate ID location. Serrations also resist axial force to prevent pushing the bushing through the jig plate.

    SPM Serrated Press Fit Metric