Threaded

Inserts

Use Threaded Inserts to anchor precast concrete panels to steel frames. Threaded Inserts permit anchor bolts to be removed and reinstalled as often as required, and can be used to lift removable concrete slabs or vault covers.

 

Since Threaded Inserts can be accurately laid-out, they are especially useful for mounting equipment or fixtures which must be precisely located. Threaded Inserts offer a clean and unobtrusive appearance without protrusion beyond the face of the concrete.

 

In addition, Threaded Inserts are more reliable than typical expansion anchors and they avoid the risk of damaging concrete when drilling anchor holes.

#444: Threaded Inserts

  • Die-cast zinc alloy offers strength and corrosion resistance. Use with #174 Threaded Eye Bolts or with standard machine bolts from local suppliers.
  • Install in precast and cast-in-place concrete or in grout filled concrete masonry units.

#446: Adapter Plugs

  • Use Adapters to attach Threaded Inserts to formwork and to keep threads clean until equipment is installed.
  • Adapters are die-cast zinc alloy and have a 5/32" diameter nail hole. Adapters can be removed from Insert with either a flat screw driver or pliers.

#449: Brass Plugs

  • Plugs keep Threaded Inserts clean when not in use. Plugs have flat screw driver slots.
  • #444 Available Resources

  • #444 size chart

    Code #

    Bolt Dia.

    Length

    Face

    Thread

    Depth

     

    A

    B

    C

    D

    P-15-T

    1/4"

    1-1/2"

    13/16"

    7/8"

    P-24-T

    3/8"

    1"

    7/8"

    3/4"

    P-25-T

    3/8"

    1-3/8"

    7/8"

    1"

    P-35-T

    1/2"

    1-1/2"

    1-1/4"

    1-1/4"

    P-36-T

    1/2"

    2-7/8"

    1-3/8"

    1-3/8"

    P-45-T

    5/8"

    1-11/16"

    1-3/8"

    1-3/8"

    P-46-T

    5/8"

    2-7/8"

    1-9/16"

    2-1/2"

    P-55-T

    3/4"

    1-11/16"

    1-9/16"

    1-1/2"

    P-56-T

    3/4"

    3"

    1-3/4"

    2-1/2"

  • #444 Test Data/Pullout Loads

    Code #

    Max Pullout Load

    Safe Working Load

    P-15-T

    2,300 lbs.

    575 lbs.

    P-24-T

    4,100 lbs.

    1,025 lbs.

    P-25-T

    4,800 lbs.

    1,200 lbs.

    P-35-T

    4,900 lbs.

    1,225 lbs.

    P-36-T

    8,100 lbs.

    2,025 lbs.

    P-45-T

    6,300 lbs.

    1,575 lbs.

    P-46-T

    10,200 lbs.

    2,500 lbs.

    P-55-T

    6,900 lbs.

    1,725 lbs.

    P-56-T

    12,500 lbs.

    3,125 lbs.

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Heckmann Building Products