The Calk-In™ is a pre-assembled precision cast calking type machine bolt anchor which can be used in concrete, block, brick or stone. The anchor consists of an antimonial lead alloy calking sleeve and a Zamac alloy internally-threaded expander cone.

Lead Calk-Ins

The Calk-In™ is a pre-assembled precision cast calking type machine bolt anchor which can be used in concrete, block, brick or stone. The anchor consists of an antimonial lead alloy calking sleeve and a Zamac alloy internally-threaded expander cone.

  • 8-32 LEAD MACHINE SCREW ANCHOR - CALK INS

    $39.28 / Box of 25

  • 10-24 LEAD MACHINE SCREW ANCHOR - CALK INS

    $21.38 / Box of 25

  • Calk-In Tool #10

    $20.13 / EA

  • 1/4-20 LEAD MACHINE SCREW ANCHOR - CALK INS

    $25.12 / Box of 25

  • Calk-In Tool 1/4"

    $20.13 / EA

  • 5/16-18 LEAD MACHINE SCREW ANCHOR - CALK INS

    $50.45 / Box of 25

  • Calk-In Tool 5/16"

    $25.77 / EA

  • 3/8-16 LEAD MACHINE SCREW ANCHOR - CALK INS

    $53.00 / Box of 25

  • 1/2-13 LEAD MACHINE SCREW ANCHOR - CALK INS

    $81.38 / Box of 25

  • 3/4-10 LEAD MACHINE SCREW ANCHOR - CALK INS

    $298.06 / Box of 25

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