JB/T 3411.84-1999 This standard is a revision of JB 3495-83 "Dimensions of 90° boring bars with taper shanks and axial fastening". Only the following points have been modified during the revision, and the main technical content has not changed: - Writing format; - Standard name plus English; - Relevant reference standards and related content; - Thread drawing method. This standard specifies the type and size of 90° boring bars with taper shanks and axial fastening. JB/T 3411.84-1999 Dimensions of 90° boring bars with taper shanks and axial fastening JB/T3411.84-1999 Standard download decompression password: www.bzxz.net

1CS 25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T3411.83-3411.100-19
Accessories of boringmachines
Accessories of boringmachines1999-05-20 Issued
State Machinery Industry Bureau
Implementation on 2000-01-01
Machinery Industry Standard of the People's Republic of China
Dimensions of 90° boring bars with taper shank axial fastening
Taper ghank axial fasten gu boring tool 2. The standard specifies the types and dimensions of the 90° support bar for the inclined tree axis. 2. Reference standards. JB/T3411.84-1990. B3495-83. The following standards contain the provisions that are used in the standard. After the release of this standard, all the standards will be revised. The parties using this standard should consider the possibility of using the latest version of the following standards. GB/T1443—1996. JB/T3411.83—1999. Types and dimensions. Dimensions of the 90° support bar for the use of the tool. Types and dimensions are as specified in the table below. Marking
Marking example:
Fluorescent material No. 5, D-50mm, L=450mm cone axial exposure 90 lens holder: 5-50×450JB3411.84—1999
National Machinery Industry Bureau 1999-05-2# Approved 2000-01-01 Purchase with
JB/T3411.84—1999
2G- 31
32 -48
60--95
6U-595
72-115
05-150
12(1-·190
72--115
95 -150
[20-190
72·-115
95-150
120190
150-230
60--95
72~ 115
95--150
120-190
150k-230
72~115
120-199
E50~230
2.0U-·363
230-559Www.bzxZ.net
240-389
State Wa Guowei and metric chain length and braiding light support GD1443, 8
temperature limit letter volume
-1-[1 1411
2 Change the ruler to the same ruler according to 3411. When the standard is attached, the hole is 10u, 50.5nm, and the hole is f.
4m.somm. Space
JT3411.84—1999
5641630
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