GB/T 9207-1988 Carbide cylindrical ball head rotary file GB/T9207-1988 standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China Cylindrical round-(ball-)nose hardmetal burrs Cylindrical round-(ball-)nose hardmetal burrs9207.88 This standard adopts the international standard IS07755/3-1984 "Cemented Carbide Burrs - Part 3: Cylindrical Ball-nose Burrs (Type C)". 1 Type and size 1.1 Type and size are as follows: Rotary file code C0210C03 C0313C03 C0413C0640 C0616C0640 C0820C0640 C1020C0640 C1225C0640 C1625C0640 1.2 Marking example C0210M03 C0313M03 C0413M0640 C0616M0640 C0820M0 640 C1020M0640 C1225M0640 C1625M0640 C0210F03 C0313F03 C0413F0640 C0616F0640 C0820F0640 C1020F0640 C1225F0640 C1625F0640 (±0.5) Carbide cylindrical ball head rotary file (type C) d=10mm, l=20mm, d,=6mm, shank length is 40mm, medium teeth (M). Approved by the State Machinery Industry Commission on May 12, 1988, and implemented on January 1, 1989. Marked as: Rotary File C1020M0640 Technical Conditions According to GB9217 "Carbide Rotary Files wwW.bzxz.Net Additional Notes: GB9207—88 GB9207-88 Technical Conditions". This standard was proposed by the National Technical Committee for Tool Standardization. This standard was drafted by the National Technical Committee for Tool Standardization. This standard was drafted by Chengdu Tool Research Institute and Shanghai Tool Factory. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.