In the case of
1. GB2079-87 (instead of GB2079-80) non-porous carbide indexable blade: this standard using the international standard ISO0883-1995. The standard specifies the series sizes of TNUN, TNGN, TPUN, TPGN, SNUN, SNGN, SPUN, SPGN, TPUR, TPMR, SPUR, SPMR for 12 types of blades.
In the case of
2. GB2077-87 (instead of GB2077-80) Carbide indexable blade fillet radius: This standard is equivalent to the international standard ISO3286-1976. The standard size of the tool nose radius rε is 0.2,0.4,0.8,1.6,2.0,2.4,3.2mm.
In the case of
3. GB2078-78 (instead of GB2078-80) Carbide indexable inserts with round holes: This standard is equivalent to the international standard ISO3364-1985. HSM, SNUA, SNMA, CNUM, CNMM, CNMG, CNUA, CNMA, DNUM, DNMM, CNMG, CNMG, CNMG, TNUG, TNMG, TNUG, TNMA, DNUG, DNMG, DNUA, DNMA, VNUM, VNMM, VNUG, VNMG, VNUA, VNMA, RNUM, RNMM 36 types of round carbide carbide blade size series.
In the case of
4. GB2081-87 (instead of GB2081-80) Carbide Indexable Milling Cutter: This standard is equivalent to the international standard ISO3365-1985. This standard specifies the series sizes of 13 types of indexable milling inserts for SNAN, SNCN, SNKN, SPAN, SPCN, SPKN, SECN, TPAN, TPCN, TPKN, TECN, FPCN, LPEX.
In the case of
5. GB2080-87 (instead of GB2080-80) submerged carbide carbide indexable blade: This standard is equivalent to the international standard ISO6987 / 1-1993. The specifications of TCMW, TCMT, WCMW, WCMT, SCMW, SCMT, CCMW, CCMT, DCMW, DCMT, RCMW, RCMT are 12 series of countersink carbide indexable inserts.
