November 8, 2019 by INDO SERVICES INDO SERVICES Reference Spheres with base plate (Type A) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 15 NRKA Ceramic 15.0 20 NRKA Ceramic 20.0 25 NRKA Ceramic 25.0 30 NRKA Ceramic 30.0 25 NRSA Steel 25.0 Reference Spheres (Type B) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 15 NRKB Ceramic 15.0 20 NRKB Ceramic 20.0 25 NRKB Ceramic 25.0 30 NRKB Ceramic 30.0 25 NRSB Steel 25.0 Reference Spheres (Type C) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 15 NRKC Ceramic 15.0 20 NRKC Ceramic 20.0 25 NRKC Ceramic 25.0 25 NRSC Steel 25.0 30 NRKC Ceramic 30.0 Reference Spheres with magnetic base (Type D) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 25 NRKD Ceramic 25.0 15 NRKD Ceramic 15.0 20 NRKD Ceramic 20.0 30 NRKD Ceramic 30.0 25 NRSD Steel 25.0 Reference Spheres with magnetic base (Type E) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 30 NRKE Ceramic 30.0 20 NRKE Ceramic 20.0 15 NRKE Ceramic 15.0 25 NRKE Ceramic 25.0 25 NRSE Steel 25.0 Reference Spheres for spark machine (Type F) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 245 NRKF TC 2 / 4 / 5 Reference Spheres with base plate (Type G) Search 📄 HTML 📕 PDF 📦 JSON Order No. Ball Material Ball-∅ (mm) 20 NRKG Ceramic 20.0 30 NRKG Ceramic 30.0 25 NRKG Ceramic 25.0 50 NRKG Ceramic 50.0 25 NRSG Steel 25.0