JB/T 3411.7-1999 Dimensions of 45° inner hole turning square toolholder

JB/T 3411.7-1999 This standard is a revision of JB 3417-83 "Dimensions of 45° Square Cutter Bars for Internal Holes". Only the following points were modified during the revision, and the main technical content remained unchanged. ——Writing format; ——Standard plus English name; ——Related reference standards and related content; ——Thread drawing method. This standard specifies the type and size of 45° square cutter bars for internal holes. JB/T 3411.7-1999 Dimensions of 45° Square Cutter Bars for Internal Holes JB/T3411.7-1999 Standard download decompression password: www.bzxz.net

[CS25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T 3411.1-3411.16—1999
Accessories ofgeneral purpose parallel lathes1999-05-20 Issued
National Machinery Industry Bureau
2000-01-01 Implementation
Machinery Industry Standard of the People's Republic of China
45° Square Tool Bar for Internal Turning-Dimensions This standard specifies the types and dimensions of 45" internal turning tool bars. 2 Types and dimensionsbzxZ.net
Types and dimensions are defined in the following figures and tables. D3min
Basic size
Authorized limit is different
JB/T 3411.7—1999
Abandoned 3427
123160.200[160 2(0250,200250|3152.50|3 ts/400|250|315|4|3Ts:4()|500|400'50630|500|630|800RO
Note: Le20mmF, the knife square can be made into plastic shape according to the need, mark
Marking example:
/-16mm, =[60mm 45 inner hole square knife bar month 16 ×16018/5411.7-.1999
National Beijing Machinery Industry Bureau 1999-05-20 approved 120
+0 05D
2000-01-01Implementation
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