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    Un-A-Lok® Liner Bushings (UL)

    Un-A-Lok® Liner Bushings (UL)

    Drill-Jig Bushings

    Un-A-Lok® Liners are similar to HL head liners, except that they incorporate a sturdy locking tab that eliminates the need for a Lockscrew. UL Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    Complete part numbers for all standard Un-A-Lok® Liner Bushings are listed in the tables below.

    Application Information

    Un-A-Lok® Liners are functionally similar to Head Liner Bushings, except that they incorporate a sturdy locking tab that eliminates the need for a Lockscrew, reducing installation time dramatically.

    ID Tolerance

    Standard Liner ID Tolerance:
    3/16 to 5/16" +.0001/+.0004
    1/2" +.0002/+.0005
    3/4" +.0003/+.0006
    1" +.0004/+.0007

    OD Tolerance

    Standard OD Tolerance:
    5/16" +.0016/+.0013
    1/2" +.0017/+.0014
    3/4 to 1" +.0018/+.0015
    1-3/8" +.0022/+.0018

    Unground OD Tolerance:
    5/16" +.015/+.010
    1/2 to 2-1/4" +.020/+.015

    To order liner bushings with an unground OD, add "U" on Price & Availability screen:
    UL-20-5 Standard liner bushing
    UL-20-5U Standard unground liner bushing

    Optional Installation Tool

    This handy tool allows installing Un-A-Lok® liners quickly and smoothly with an arbor press. This universal tool works for all sizes of Un-A-Lok® Liners.

    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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    UN-A-LOK INSTALLATION TOOL CL-1-ULT

    SKU: CL-1-ULT
    MPN: CL-1-ULT
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-20-12

    SKU: CL-UL-20-12
    MPN: UL-20-12
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-20-5

    SKU: CL-UL-20-5
    MPN: UL-20-5
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-20-6

    SKU: CL-UL-20-6
    MPN: UL-20-6
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-20-8

    SKU: CL-UL-20-8
    MPN: UL-20-8
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-32-12

    SKU: CL-UL-32-12
    MPN: UL-32-12
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-32-6

    SKU: CL-UL-32-6
    MPN: UL-32-6
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-32-8

    SKU: CL-UL-32-8
    MPN: UL-32-8
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    UN-A-LOK LINER BUSHING CL-UL-48-12

    SKU: CL-UL-48-12
    MPN: UL-48-12
    Email Sales for Pricing
    Similar to an HL head liner, but incorporating a special locking tab that eliminates the need for a Lockscrew.
    UL Un-A-Lok® Liners are permanent bushings used to hold SF renewable drill bushings (on the "slip" side only, not the "fixed" side). Although slightly more expensive than a head liner plus a Lockscrew, installation time is dramatically reduced. Note: the "length" listed for an UL bushing refers to its overall length not including locking tab, not its length under the head. Patent no. 3,015,242 and 3,099,079.

    Un-A-Lok® Liner Bushings (UL)