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Product name：
American UN 60 degrees thread milling inserts
Product Number：
21N12UN
Affiliate classification：
Thread milling tool series
Detailed
| 加工螺距范围 | 刀片尺寸 | |||||
| 12mm | 14mm | 21mm | 30mm | 40mm | ||
| 32 | Ext | * | 14E32UN | |||
| Int | 12N32UN | 14N28UN | ||||
| 28 | Ext | * | 14E28UN | |||
| Int | 12N28UN | 14N28UN | ||||
| 27 | Ext | |||||
| Int | 14N27UN | |||||
| 24 | Ext | * | 14E24UN | 21E24UN | ||
| Int | 12N24UN | 14N24UN | 21N24UN | |||
| 20 | Ext | * | 14E20UN | 21E20UN | 30E20UN | |
| Int | 12N20UN | 14N20UN | 21N20UN | 30N20UN | ||
| 18 | Ext | * | 14E18UN | 21E18UN | 30E18UN | |
| Int | 12N18UN | 14N18UN | 21N18UN | 30N18UN | ||
| 16 | Ext | 14E16UN | 21E16UN | 30E16UN | 40E16UN | |
| Int | 12N18UN | 14N16UN | 21N16UN | 30N16UN | 40N16UN | |
| 14 | Ext | 14E14UN | 21E14UN | 30E14UN | 40E14UN | |
| Int | 14N14UN | 21N14UN | 30N14UN | 40N14UN | ||
| 12 | Ext | 14E12UN | 21E12UN | 30E12UN | 40E12UN | |
| Int | 14N12UN | 21N12UN | 30N12UN | 40N12UN | ||
| 10 | Ext | 21E10UN | 30E10UN | 40E10UN | ||
| Int | 21N10UN | 30N10UN | 40N10UN | |||
| 8 | Ext | 30E8UN | 40E8UN | |||
| Int | 21N8UN | 30N8UN | 40N8UN | |||
| 6 | Ext | 30E6UN | 40E6UN | |||
| Int | 30N6UN | 40N6UN | ||||
| 4.5 | Ext | |||||
| Int | 40N4.5UN | |||||
| 4 | Ext | |||||
| Int | * 40N4UN | |||||
| H | 6.3 | 7.5 | 12 | 16 | 20* | |
| T | 2.9 | 3.1 | 4.7 | 5.5 | 6.3* | |
| * 刀片只含单面刃 | ||||||
Key words
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NPT-60° Thread milling inserts
ISO standard thread milling cutter
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