Description
HHIP 4103-3050 50-Piece 1–25mm Precision Steel Gage Ball Set is a professional-grade measurement and inspection kit designed for high-accuracy gauging, calibration, and quality control applications. Ideal for machine shops, metrology labs, and manufacturing environments, this set provides a reliable solution for verifying hole sizes, bore dimensions, and part tolerances with exceptional precision and repeatability.
Features:
- Includes 50 pieces (25 matched pairs) ranging from 1mm to 25mm.
- Manufactured to tight tolerances of ±0.00012″ / ±0.003mm.
- Made from hardened chrome steel for durability and long tool life.
- Hardened to 60 HRC for excellent wear resistance.
- Precision ground and lapped for superior surface finish.
- Grade 24 roundness ensures high consistency and accuracy.
- Supplied in a labeled storage case for easy identification and organization.
Benefits:
- Provides accurate measurement of hole diameters and bore sizes.
- Ideal for calibrating micrometers and inspection instruments.
- Ensures reliable verification of part tolerances.
- Durable construction maintains accuracy over extended use.
- Organized case improves workflow efficiency and prevents loss.
Technical Specifications:
- Model: 4103-3050
- Set Size: 50 pieces (25 pairs)
- Size Range: 1mm to 25mm
- Tolerance: ±0.00012″ / ±0.003mm
- Material: Hardened chrome steel
- Hardness: 60 HRC
- Roundness Grade: Grade 24
- Finish: Ground and lapped
- Storage: Labeled protective case





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