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Subland twist drills for holes prior to tapping screw threads—Part 2:The types and dimensions for subland twist drills with Morse shanks
Translate name
STANDARD published on 28.8.1997
Designation standards: GB/T 6138.2-1997
Note: WITHDRAWN
Publication date standards: 28.8.1997
SKU: NS-887515
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-05-22 (Number of items: 2 279 810)
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