China Subland twist drills GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 6139-2007 Subland twist drills - Technical specifications - 英文版 |
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GB/T 6138.2-2007 Subland twist drills for holes prior to tapping screw threads - Part 2: The types and dimensions of Subland twist drills with Morse typer shanks - 英文版 |
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GB/T 6138.1-2007 Subland twist drills for holes prior to tapping screw threads - Part 1: The types and dimensions of subland twist drills with cylindrical shanks - 英文版 |
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