Hitools

A21 A23 Reinforced Angle Bracket

Model: A21A23

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The A21 and A23 Reinforced Angle Brackets provide a way to make a straight angle of 90° connection. The A21, A23 L shape angles are load rated, providing the correct thickness and number of fasteners. These angles also have well-defined fastener locations, and testing ensures that the tabulated load values account for connection eccentricities.

Please check the Corrosion Information to see if it is suitable for your application.

Material

Carbon Steel 1.3mm thick

Finish

Z275 Galvanised

Features & Benefits

Removes the guesswork for making perfectly square connections
Reinforces 90-degree connections
Stronger than angled nailing or screw fastening
Staggered fastener pattern reduces the chances of timber splitting

Installation

Use all specified fasteners

Model No. Table

Model No.	Dimensions (mm)		Fasteners (No. – Length x Dia., mm)		Country	Design Capacity (kN)
	W1	W2	Base	Post		F15	F2
A21	50	40	2 – 38 x 3.75	2 – 38 x 3.75	AU	k1 = 1.14	k1 = 1.14
						1.03	0.43
					NZ	k1 = 1.0	k1 = 1.0
						0.97	0.41
A23	50	40	4 – 38 x 3.75	4 – 38 x 3.75	AU	k1 = 1.14	k1 = 1.14
						1.33	1.77
					NZ	k1 = 1.0	k1 = 1.0
						1.33	1.66
Design Capacity is the lesser of (1) the Characteristic Capacity multiplied by the Australian Capacity Factor, or the NZ Strength Reduction Factor (φ), and applicable the k modification factors following AS 1720.1 and NZS 3603 and (2) the Serviceability Capacity which is the load at 3.2mm joint slip. Design Capacity is the minimum of test data and structural joint calculation. For Australia, the Capacity Factor (φ) is 0.85 for nails and screws for structural joints in a Category 1 application. Reduce tabulated values where other Category applications govern. For NZ, the Strength Reduction Factor (φ) is 0.80 for nails in lateral loading. Duration of Load Factor (k1) is as shown. Reduce Duration of Load Factor where applicable. Capacities may not be increased. Timber species for joint design is seasoned Radiata Pine, which is Australia Joint Group JD4 per AS 1720.1 Table H2.4 and New Zealand Joint Group J5 per NZS 3603 Table 4.1. Connectors are required on both sides to achieve F1 loads in both directions. For simultaneous loads in more than one direction, the connector must be evaluated using the Unity Equation. See General Note 'e' on page 15.

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