JB/T3411.74-1999 This standard is a revision of JB 3484-83 "Dimensions of Straight Shank Drill Connectors". Only the following points were modified during the revision, and the main technical content remained unchanged: - Writing format; - Standard name plus English; - Relevant reference standards and related content; - Thread drawing method. This standard specifies the type and size of straight shank drill connectors. JB/T 3411.74-1999 Dimensions of Straight Shank Drill Connectors JB/T3411.74-1999 Standard download decompression password: www.bzxz.net

ICS25.080.01
Mechanical Industry Standard of the People's Republic of China
JB/T3411.74-—1999
Extension rod of parallel shank drill-Dimensions1999-05-20Promulgated
State Bureau of Machinery Industry
Implementation on 2000-01-01wwW.bzxz.Net
1 Scope
Mechanical Industry Standard of the People's Republic of China
Extension rod of parallel shank drill DimensionsThis standard specifies the types and dimensions of parallel shank drill extension rods. 2 Reference standards
JB/T3411.74-1999
Replace JB348483
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T1443—1996 Self-clamping cones for machine tools and tool handles 3 Types and dimensions
The types and dimensions are as specified in the following figures and tables. True Republic of China No. 3
Basic size
>8.0~10.0
>10.0~120
Limit deviation F9
Note: The size and deviation of Morse taper shall comply with the provisions of GB/T1443, 4
Marking example:
d-7mm, L=280mm straight shank drill adapter: adapter 7X280JB/T3411.741999
Approved by the State Machinery Industry Bureau on 1999-05-20220
Implemented on 2000-01-01
Mechanical industry standard
About size
Straight shank drill adapter
JB/T 3411.74-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
X number of characters xXX,XXX
Print sheets X/X
Xth printing in XX month of 19XX
Xth edition in XX month of 19XX
Number of prints 1-XXX
Price XXXX Yuan
XX-XXX
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