DZ/T 0101.12-1994
Active
SJ 21290-2018
Active
Industry standards-Electronics
SJ 21290-2018 Technical require ments of carbide driHs for printed circuit boards
SJ 21290-2018 Technical require ments of carbide driHs for printed circuit boards
Price:
$ 30
Basic Information
Standard Code:
SJ 21290-2018
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2018-01-18
Implement Date:
2018-05-01
Pages:
11 pages
Scope
This standard specifies the classification and technical requirements of hard alloy fixed drill bits with a diameter of 3.175 mm for printed circuit boards. This standard applies to the quality control of hard alloy fixed drill bits with a diameter of 3.175 mm, suitable for drilling holes with a diameter of 0.15 mm to 6.5 mm on printed circuit boards.
Development Information
Referenced Standards
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