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| Position: Chinese Standard in English/GB 6139-1985 |
| GB 6139-1985 Subland twist drills with taper shanks for holes prior to tapping screw threads (English Version) | |||
| Standard No.: | GB 6139-1985 | Status: | valid remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 2000 words | Price(USD): | 60.00 remind me the price change |
| Implemented on: | 1986-3-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 6139-1985 |
| English Name: | Subland twist drills with taper shanks for holes prior to tapping screw threads |
| Chinese Name: | 攻丝前钻孔用锥柄阶梯麻花钻 |
| Chinese Classification: | J41 Cutting tools |
| Professional Classification: | GB National Standard |
| Implemented on: | 1986-3-1 |
| Status: | valid |
| Superseded by: | GB/T 6138.2-1997 Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with Morse shanks GB/T 6139-1997 Subland twist drills-Technical specifications |
| Language: | English |
| File Format: | |
| Word Count: | 2000 words |
| Price(USD): | 60.00 |
| Delivery: | via email in 1~3 business day |