性能特征:

有XX, X, Y, Z和ZZ精度

显示通规、止规和校对规的公差范围

NIST（美国国家计量局）查询编码

工具钢制成，硬度达60/62 HRC；

镀铬合金的硬度达70/72HRC

XX, X级的环规光洁度达2微英寸以上

规体上有尺寸标识和公差方向

随带一份合格证书

CUSTOM CYLINDRICAL RING GAGES

• Class XX, X, Y, Z or ZZ
• Direction of Tolerance:
  • GO (Minus Tolerance)
  • NoGo (Plus Tolerance)
  • Master (Bilateral Tolerance)
• Materials:
  • Tool Steel 60/65 Rc 
  • Chrome 70/72 Rc 
  • Carbide 90/92 Ra
• Diameter Range:
  • Steel & Chrome: .0600" (1.52mm) - 12.2600" (311.40mm)
  • Carbide: .0600" (1.52mm) - 1.5100" (38.35mm)
• Marked with diameter and direction of tolerance
• Larger sizes available to quote
• Certifications:
  • Certificate of Accuracy included.
  • ISO 1702**ccredited Certificates & Non-Accredited Certs may be purchased.