WELDING

Fillet weld callout

A fillet weld callout identifies the weld placed in the corner between two members. The arrow side tells the welder which side of the joint receives the weld, while the size gives the specified leg dimension. Add the process and filler information in the tail when it belongs on the drawing. This compact callout is useful on fabrication drawings where a gusset joins a column or beam. Before using the layout in a build or document, compare every label with the source requirements and update the drawing when parts, conditions, or materials change. The example is deliberately small so the essential relationships remain readable, easy to review with collaborators, and ready to extend with the details required for the actual project.

UPDATED 2026-09-24
EXAMPLEFillet weld callout
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CASE ANALYSIS

Scenario

A fabricator needs a clear gusset weld callout.

Key decisions

  • Weld type: A fillet weld suits a lap or T joint.
  • Leg size: The symbol specifies a 6 mm leg.
  • Process note: The tail identifies GMAW and filler wire.

When to reuse this

Use for a simple structural gusset connection.

FAQ

Frequently asked questions

What does the fillet symbol specify?01
It specifies a weld in the corner of a joint and can include its leg size.
What is the arrow side?02
It is the side of the joint indicated by the arrow on the welding symbol.
Can a process be included?03
Yes. Put the process or filler note in the tail.
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