Zhuzhou Bartu Electromechanical Co., Ltd.
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Product Specification
| Specs |
Guide thread |
Overall length L |
Thread length L1 |
Neck length Ln |
Shank diameter D |
Square width a |
Flute number Z |
Type |
| NO.2-56UNC | 5-6P | 42 | 13 | 3 | 2.5 | 2 | 1 | |
| NO.2-64UNF | 42 | 13 | 3 | 2.5 | 2 | 1 | ||
| NO.3-48UNC | 44 | 14 | 3 | 2.5 | 2 | 1 | ||
| NO.3-56UNF | 44 | 14 | 3 | 2.5 | 2 | 1 | ||
| NO.4-40UNC | 44 | 15 | 3 | 2.5 | 2 | 1 | ||
| NO.4-48UNF | 44 | 15 | 3 | 2.5 | 2 | 1 | ||
| NO.5-40UNC | 46 | 11 | 19 | 4 | 3.2 | 3 | 2 | |
| NO.5-44UNF | 46 | 11 | 19 | 4 | 3.2 | 3 | 2 | |
| NO.6-32UNC | 48 | 13 | 21 | 4 | 3.2 | 3 | 2 | |
| NO.6-40UNF | 48 | 13 | 21 | 4 | 3.2 | 3 | 2 | |
| NO.8-32UNC | 52 | 13 | 21 | 5 | 4 | 3 | 2 | |
| NO.8-36UNF | 52 | 13 | 21 | 5 | 4 | 3 | 2 | |
| NO.10-24UNC | 60 | 16 | 24 | 5.5 | 4.5 | 3 | 2 | |
| NO.10-32UNF | 60 | 16 | 24 | 5.5 | 4.5 | 3 | 2 | |
| NO.12-24UNC | 60 | 17 | 25 | 5.5 | 4.5 | 3 | 2 | |
| NO.12-28UNF | 60 | 17 | 25 | 5.5 | 4.5 | 3 | 2 | |
| 1/4-20UNC | 62 | 19 | 29 | 6 | 4.5 | 3 | 2 | |
| 1/4-28UNF | 62 | 19 | 29 | 6 | 4.5 | 3 | 2 | |
| 5/16-18UNC | 70 | 22 | 37 | 6.1 | 5 | 3 | 3 | |
| 5/16-24UNF | 70 | 22 | 37 | 6.1 | 5 | 3 | 3 | |
| 3/8-16UNC | 75 | 24 | 41 | 7 | 5.5 | 3 | 3 | |
| 3/8-24UNF | 75 | 24 | 41 | 7 | 5.5 | 3 | 3 | |
| 7/16-14UNC | 80 | 25 | 48 | 8 | 6.3 | 3 | 3 | |
| 7/16-20UNF | 80 | 25 | 48 | 8 | 6.3 | 3 | 3 | |
| 1/2-13UNC | 85 | 29 | 48 | 9 | 7 | 3 | 3 | |
| 1/2-20UNF | 85 | 29 | 48 | 9 | 7 | 3 | 3 | |
| 9/16-12UNC | 90 | 30 | 48 | 10.5 | 8 | 3 | 3 | |
| 9/16-18UNF | 90 | 30 | 48 | 10.5 | 8 | 3 | 3 | |
| 5/8-11UNC | 95 | 32 | 52 | 12 | 9 | 3 | 3 | |
| 5/8-18UNF | 95 | 32 | 52 | 12 | 9 | 3 | 3 |
Company Details
Business Type:
Manufacturer
Year Established:
2023
Total Annual:
10000000-50000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Bartu Headquartered in Zhuzhou, China, renowned as the "World Capital of Cemented Carbide"—a global core hub for the cemented carbide industry and Asia's largest R&D and manufacturing base—we are a technology-driven industrial and trading enterprise dedicated to the R&D, producti... Bartu Headquartered in Zhuzhou, China, renowned as the "World Capital of Cemented Carbide"—a global core hub for the cemented carbide industry and Asia's largest R&D and manufacturing base—we are a technology-driven industrial and trading enterprise dedicated to the R&D, producti...
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