Starrett S4004-500 Precision Steel Pin Gage Set .251-.500" Plus Tolerance 250-Piece

Starrett S4004-500 is a 250-piece Precision Steel Pin Gage Set from Starrett's S4000 Global Series, covering a measurement range of .251" to .500" in plus (+) tolerance. These gage pins are the professional standard for determining small hole sizes, gaging slots, and finding hole distances with exceptional accuracy.

Each pin in this set is centerless lapped and clearly etched with its stated size, ensuring reliable identification and consistent performance. All pins are manufactured to a tight 0.0002" tolerance and offered in 0.001" increments, making this set ideal for precision machining, quality control, and inspection applications. All gages are 2 inches long and hardened to RC 60/64 for long-lasting durability.

Key Features:

• 250 precision steel pin gages covering .251" to .500" range
• Plus (+) tolerance — each pin is manufactured at the stated size +0.0002" / -0.0"
• Manufactured to 0.0002" tolerance in 0.001" increments
• Each pin is centerless lapped and clearly etched with stated size
• All gages are 2 inches long, hardened to RC 60/64
• Color-coded, fully adjustable Go/No-Go gage handle included with set
• Supplied in a rugged, high-impact protective case with labeled spaces for each gage
• Inspection certificate included with every set
• Plus and minus tolerance sets and individual replacement pins available separately
• Starrett EDP: 67484

The S4004-500 is part of Starrett's complete S4000 Global Series pin gage lineup, which spans from .011" up to 1.000". Whether used for go/no-go inspection or precise hole measurement in a machine shop or quality lab, this set delivers the accuracy and reliability that Starrett precision tools are known for worldwide.