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APHH Concealed-Flange Heavy Joist Hanger


APHH heavy hangers connect 4x and 6x beams to girders. These concealed-flange hangers feature straight edges and provide a cleaner-looking installation for joist connections. Available in a range of sizes, the hangers install easily to the joist with the Outdoor Accents® structural wood screw and hex-head washer, and to the header with the Strong-Drive® SDS Heavy-Duty Connector screw.


  • 12 gauge


  • ZMAX® galvanized with black powder coat


  • Use all specified fasteners; see General Notes
  • Use the Outdoor Accents structural wood screw (SDWS22312DBB) and hex-head washer (STN22) to connect to the joist
  • Use the Strong-Drive SDS Heavy-Duty Connector screw (SDS25300) to connect to the header

Related Literature

Load Tables

Joist Size Model No. Ga. Dimensions (in.) Fasteners Qty. DF/SP Allowable Loads (lb.)
W H B Header Joist Uplift (160) Floor (100) Snow (115) Roof (125)
4x6 or 4x8 APHH46 12 3 9/16 5 1/8 3 6 2 1,165 2,280 2,280 2,280
APHH46R 4 1/16 4 7/8
6x10 or 6x12 APHH610 5.5 8 1/2 3 14 6 4,140 5,880 6,760 7,350
APHH610R 6 8 1/4
  1. Allowable uplift loads have been increased 60% for wind or earthquake loading with no further increase allowed; reduce where other loads govern.
  2. All fasteners are Simpson Strong-Tie SDS25300 to the header and SDWS22312DBB with STN22 to the joist. Fasteners sold separately.

Code Reports

Part IAPMO UES ER ICC-ES ESR City of Los Angeles State of Florida
APHH46 ER-102 ER-280
APHH46R ER-102 ER-280
APHH610 ER-102 ER-280
APHH610R ER-102 ER-280