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Apprentice Q&A · #394

Why should a helper deburr threaded rod after cutting it?

1st YearGREEN · Field ReferenceThreaded Rod Burrs

Short answer

Cutting rod can crush the end threads. Deburr the cut or run a nut off the end after cutting so the person in the lift is not fighting damaged threads overhead.

Field answer

The journeyman calls down field measurements for ten 3/8\text{-inch} threaded hanger rods. You cut them quickly using a portable band saw, but skip filing or deburring the raw metal cut points, making it impossible for the journeyman to thread the nuts onto the rods.

Cutting rod can crush the end threads. Deburr the cut or run a nut off the end after cutting so the person in the lift is not fighting damaged threads overhead. The likely recovery is to check the condition, correct prep/setup if it is within your assignment, and bring the foreman clean information before the work creates rework overhead.

What to check first

Do not do this

Do not send raw jagged rod ends up to the lift.

Why it matters

Bad rod ends waste time overhead and can lead to half-threaded hardware.

Ask foreman

Spin a hex nut onto the threaded rod before you cut it with the band saw. When you back the nut off, it clears out the burrs so the journeyman isn't fighting jacked-up threads 15 feet in the air.

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Related Field Rescue route

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Final direction belongs to the foreman, approved drawings/specs, manufacturer instructions, pressure/material schedule, employer policy, and AHJ/code requirements.