A Angle

Our line of angles provides a way to make a wide range of 90° connections.

Galvanized. Some products available in stainless steel or ZMAX^® coating. See Corrosion Information.

Use all specified fasteners; see General Notes.
Some products may be installed with the Strong-Drive^® SD Connector screw. See model table.

These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

These models are approved for installation with the Strong-Drive® SD Connector screw. See the load values below.

Allowable loads have been increased for wind or earthquake loading with no further increase allowed; reduce where other loads govern.
For SPF/HF lumber use 0.86 of table loads.
Connectors are required on both sides to achieve F₁ loads in both directions.
NAILS: 10d x 1 1/2" = 0.148" dia. x 1 1/2" long, 10d = 0.148" dia. x 3" long.
See other nail sizes and information.

A44 Installation (A33 similar)

A21/A23 Installation

Load Values with SD Series Screws
Model No.	Fasteners			DF/SP Allowable Loads			SPF/HF Allowable Loads
	To Rafters/ Truss	To Plates/Base	To Studs/Post	Uplift	Lateral		Uplift	Lateral
	To Rafters/ Truss	To Plates/Base	To Studs/Post	(160)	F1 (160)	F2 (160)	(160)	F1 (160)	F2 (160)
These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details. H connector loads based on installation to double top plate. Uplift load for the H4 stud to bottom plate installation is 415 lbs for DF/SP and 355 lbs for SPF/HF. Uplift load for the H8 stud to bottom plate installation is 380 lbs for DF/SP and 325 lbs for SPF/HF.
A21	-	2-SD9112	2-SD9112	-	430	165	-	360	140
A23	-	4-SD9112	4-SD9112	-	670	560	-	580	480
A33	-	4-SD9112	4-SD9112	-	830	335	-	715	290
A44	-	4-SD9112	4-SD9112	-	805	290	-	695	250

Part	IAPMO UES ER	ICC-ES ESR	City of Los Angeles	State of Florida
A	See specific model numbers for code listings.
A21	ER-102 ER-112	ESR-2523 ESR-3096	RR25814 RR25910	FL10446
A21Z	ER-102 ER-112	ESR-2523 ESR-3096	RR25814 RR25910	FL10446
A23	ER-102 ER-112	ESR-2523 ESR-3096	RR25814 RR25910	FL10446
A23Z	ER-102 ER-112	ESR-2523 ESR-3096	RR25814 RR25910	FL10446
A24	No load capacity: Products not tested or submitted because they are not load rated and code approval not required.
A311	No load capacity: Products not tested or submitted because they are not load rated and code approval not required.
A33	ER-102 ER-112	ESR-3096	RR25814 RR25910	FL10446
A44	ER-102 ER-112	ESR-3096	RR25814 RR25910	FL10446
A66	No load capacity: Products not tested or submitted because they are not load rated and code approval not required.
A88	No load capacity: Products not tested or submitted because they are not load rated and code approval not required.
ESR-2523 is an Index of many of Simpson Strong-Tie Stamped and Welded Cold-formed Steel Products for Wood or Cold-formed Steel Construction

Part	Orthographic	Perspective
A	None	None
A21	None	A21 AND A23 DWG DXF
A21Z	None	None
A23	A23 DWG DXF A23 front view DWG DXF A23 right view DWG DXF A23 top view DWG DXF	A21 AND A23 DWG DXF High Wind-Resistant Construction D101: Lateral Load DWG DXF A23 CFS DWG DXF
A23Z	None	None
A24	A24 DWG DXF A24 front view DWG DXF A24 right view DWG DXF A24 top view DWG DXF	A24 DWG DXF
A311	A311 DWG DXF A311 front view DWG DXF A311 right view DWG DXF A311 top view DWG DXF	A311 DWG DXF
A33	A33 DWG DXF A33 front view DWG DXF A33 right view DWG DXF A33 top view DWG DXF	None
A44	A44 DWG DXF A44 front view DWG DXF A44 right view DWG DXF A44 top view DWG DXF	A44 DWG DXF
A66	A66 DWG DXF A66 front view DWG DXF A66 right view DWG DXF A66 top view DWG DXF	None
A88	A88 DWG DXF A88 front view DWG DXF A88 right view DWG DXF A88 top view DWG DXF	A88 DWG DXF