JESENTECH GROUP CORPORATION
*JESENTECH GROUP CORPORATION *Fasten The World, Serve The World! *Professional manufacturer of Special-shaped Shaft fasteners!
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| Type | Material | Surface treatment | Hardness of quenching | |||||||
| Round type | Polyprismatic type | |||||||||
| JHUKR | JHVKR | SKS3 | / | Hardness 50~55HRC | ||||||
| JHUKRG | JHVKRG | SKS3 | Hard chromium plating | Hardness50~55HRC Hardness of coating 750HV~ | ||||||
| JHUS | JHVS | SUS303 | / | / | ||||||
| JHUCR | JHVCR | SUS440C | / | Hardness 53HRC~ | ||||||
| Type | D Tolerance | D | P Designated unit 0.01mm | L Designated unit 1mm | E Designated unit 0.1mm | M | H | (W) | C | |
| Round type JHUKR JHUKRG JHUS JHUCR | Multi prism type Suitable to D≥3 JHVKR JHVKRG JHVS JHVCR | M P G H | 2 | 1.50~2.00 | 2~4 | 2.0~10.0 | 0.5 | 6 | - | 0.5 |
| 3 | 2.00~4.00 | 3~6 | 1 | 6 | 1 | 0.5 | ||||
| 4 | 2.00~5.00 | 4~8 | 1 | 6 | 1.2 | 1 | ||||
| 5 | 3.00~6.00 | 5~10 | 2 | 8 | 1.5 | 1 | ||||
| 6 | 4.00~7.00 | 6~12 | 2.0~12.0 | 2 | 8 | 1.8 | 1 | |||
| 8 | 5.00~9.00 | 8~16 | 3.0~15.0 | 3 | 11 | 2.2 | 1.5 | |||
| 10 | 7.00~11.00 | 10~20 | 3.0~20.0 | 3 | 13 | 3 | 2 | |||
| 12 | 7.00~12.00 | 12~24 | 3 | 15 | 3.2 | 2 | ||||
| 13 | 8.00~13.00 | 13~26 | 5.0~20.0 | 4 | 16 | 3.5 | 2 | |||
| 16 | 13.00~16.00 | 16~32 | 4 | 19 | 4 | 3 | ||||
| 20 | 16.00~20.00 | 20~40 | 5 | 23 | 5.5 | 3 | ||||