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425 427

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Shelf-Angle Wedge Inserts (425)

Part Number: 425

When cast into concrete, Shelf Angle Wedge Inserts and Askew Head Bolts provide a secure and adjustable method for fastening shelf angles and other materials to concrete structures. The inserts allow vertical adjustment so veneers can be properly aligned despite construction tolerances in the building frame.

For 3/4" Bolts only. Malleable Iron Inserts Hot Dip Galvanized

Two Sizes:
Regular: Overall Height 3-7/8" with 1-3/4" vertical adjustment
Long: Overall Height 5-1/2" with 3" vertical adjustment

See product 427 Askew Head Bolts for the bolts.

See 442 Plastic Horse-Shoe Shim Washers and 443 Steel Horse-Shoe Shim Washers for the shims.

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Features and Benefits

Heavy-duty malleable iron insert

For fastening shelf angles to concrete structures

To be used with #427 Askew Head Bolts

Inserts allow vertical adjustments


Hot-dip galvanized after fabrication

#425 Shelf Angle Wedge Insert

#427 Askew Head Bolts 

Inserts are embedded in concrete slabs to hold Shelf Angles or other devices using #427 Askew Head Bolts.

Note: $200 minimum total per order

427 bolt with nut and washer

¾” diameter - Hotdip Galvanized After Fabrication 

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