GB/T 6078.4-1998 PDF English
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| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB/T 6078.4-1998 | English | 199 | Add to Cart | 2 days [Need to translate] | Center drills. Part 4: Technical specifications |
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Basic data
| Standard ID | GB/T 6078.4-1998 (GB/T6078.4-1998) |
| Description (Translated English) | Center drills. Part 4: Technical specifications |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J41 |
| Classification of International Standard | 25.100.30 |
| Word Count Estimation | 4,484 |
| Date of Issue | 11/18/1998 |
| Date of Implementation | 9/1/1999 |
| Older Standard (superseded by this standard) | GB 6078-1985 |
| Issuing agency(ies) | State Quality and Technical Supervision |
| Summary | This standard specifies the center drill size, material and hardness, appearance and surface roughness, logo and packaging performance test and technical requirements. This standard applies by GB/T 6078. 1, GB/T 6078. 2, GB/T 6078. 3 production center drill. |