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Thread turning insert for UN thread
Article no.: 521248
Catalog no.: 271254
Article code:
Product details
Technical Data
| Cooling lubricant | yes | |
| Manufacturer’s designation | 16 IR 18 UN | |
| Thickness of insert S | 3.6 mm | |
| Length of insert L | 16.5 mm | |
| Insert version | right-hand | |
| Thread type | UN; UNC; UNEF; UNF | |
| Point angle | 60 degrees | |
| Thread profile | full profile V | |
| Attachment hole diameter | 3.85 mm | |
| Threads per inch | 18; 18; 18 | |
| Insert size L | 16 mm | |
| Threading insert code | 16 IR 18 UN | |
| Cutting speed, main application, min. | 60 m/min | |
| Cutting speed, main application, max. | 190 m/min | |
| Cutting speed, secondary application, min. | 60 m/min | |
| Cutting speed, secondary application, max. | 140 m/min | |
| Tool material | Carbide | |
| Standard designation for cutting medium, 2nd Priority | HC | |
| Machining group | M (stainless steel); P (steel) | |
| Cutting media, manufacturer’s designation | HB8015 | |
| Coating | AlTiN | |
| Grade | HB8015 | |
| Insert thickness T | 3.44 mm | |
| Type of fastening for insert | S (with counterbore screwed through hole) | |
| Interface coding for insert | 16 IR | |
| Insert designation | 16 IR 18 UN | |
| Type of product | profile threading insert | |
| Number of teeth | 3 pcs. | |
| Direction of action | right-hand | |
| Suitable for material | stainless steel (M); steel (P) | |
| Machining method | thread processing internal (EGI) | |
| Type of fastening | hole | |
| Chip breaker | yes | |
| Cutting conditions | interrupted | |
| Number of potential uses | 3 pcs. | |
| Weight | 5 g | |
| Content | single part |
Packaging units
| 1 Carton | 10 pieces |
Identification & Classification
| Article number | 521248 | |
| Catalog number | 271254 | |
| EAN / GTIN | 4045197534460 | |
| Manufacturer number | 271254 HB8015 | |
| Article class | 21J | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |