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Starrett PT99004 lock bolt assembly, steel finish

Starrett

Starrett PT99004 Lock Bolt Assembly replacement part

SKU CH-DXFS-EP2AN

Steel lock bolt assembly replaces worn hardware on compatible test equipment

  • Product typeReplacement Parts
  • Durable steel construction ensures long service life
  • Direct replacement restores original tool function
  • Compatible with multiple Grainger item numbers
  • New condition guarantees factory-fresh reliability
  • Starrett quality trusted by professionals worldwide

What It Is

The Starrett PT99004 Lock Bolt Assembly is a steel replacement part for test and measurement tools. It fits a wide range of Grainger item numbers including 26Y945, 26Y946, 26Y947, 26Y954, 26Y955, 26Y963, 26Y964, 26Y969, 26Y971, 26Y981, 26Y982, 26Y990, 26Y991, 26Y992, 26Y993, 26Y994, 26Y999, 26Z003, 26Z011, 26Z019, 26Z024, 26Z027, 26Z037, 26Z045, 26Z050, 26Z053, 2ZUP8, 2ZUP9, 2ZUR2, 5UAP8, 6NAY9.

Sustained Use

The steel construction maintains dimensional stability during repeated locking and unlocking cycles. It resists deformation under continuous mechanical load in compatible instruments. No performance degradation is expected over the service life of the host tool.

Thermals Noise Power

The assembly operates passively without generating heat or noise. It draws no electrical power and adds no thermal load to the instrument. Normal use produces no audible sound from the part itself.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 89% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameSTARRETT
Product typeReplacement Parts

Questions about this item

Does the PT99004 Lock Bolt Assembly generate any heat or noise during continuous use?

The steel replacement part is a passive mechanical component with no moving electrical parts, so it produces no heat and makes no audible noise when installed.

Which existing Starrett tools must I already own for the PT99004 to function?

It fits Grainger item numbers 26Y945, 26Y946, 26Y947, 26Y954, 26Y955, 26Y963, 26Y964, 26Y969, 26Y971, 26Y981, 26Y982, 26Y990, 26Y991, 26Y992, 26Y993, 26Y994, 26Y999, 26Z003, 26Z011, 26Z019, 26Z024, 26Z027, 26Z037, 26Z045, 26Z050, 26Z053, 2ZUP8, 2ZUP9, 2ZUR2, 5UAP8 and 6NAY9.

Will the PT99004 work with older Starrett instruments I still use?

Yes, the lock bolt assembly is designed as a direct replacement for the listed Grainger item numbers, which cover many legacy Starrett test and measurement tools.

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