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CHA

021

Special toolCHA 021 family
Research Quality: 20% complete
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Provisional entry — research in progress

This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.

CHA021
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What is it?

The sources describe CHA 021 as a part number used in CHA Mark 40/50 tool kits and SE600/SE1000 tool kits. In each list, it appears as "CHA 021 Feedthrough Spanner Wrench."

What do the numbers mean?

Configuration & options3

Part number
021[1]
Accurate?
Description
Feedthrough Spanner Wrench[1]
Accurate?
Kit associations
Listed in CHA Tool Kit Deluxe, CHA Manufactured Tool Kit Standard, and the SE600 and SE1000 tool kits[1]
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Where are the manuals?

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Not publicly documented

Field notes

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Not publicly documented

The following facts about the 021 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 021 are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • No publicly documented variants, configuration options, or revision breakpoints of the 021 are on record.

    Answerable by: an OEM product catalog or an engineer who ordered or specified the tool

  • The control-system platform and OS era of the 021 are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the 021 are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the 021 is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (3)Every fact above is drawn from these public sources
  1. [1]web.archive.org — web.archive.orgweb.archive.org
  2. [2]Special Tools - CHA Industries — web.archive.orgweb.archive.org
  3. [3]Special Tools - CHA Industries — web.archive.orgweb.archive.org
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Last updated Jul 29, 2026.