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Quick-change tapping chuck, BT 40, Tapping range: M3-12
Article no.: 673629
Catalog no.: 334663
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Holder type | ISO taper | |
| Interface coding | ZYL01900105 | |
| Holder shape | MAS BT | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 40 | |
| Type of mounting | hole (internal mounting) | |
| Interface on machine side | BT 40 | |
| With flat surface contact | no | |
| Min. clamping diameter D1 | 3 mm | |
| Max. clamping diameter D1 | 12 mm | |
| Gauge length A | 68 mm | |
| External diameter, tool-end D | 38 mm | |
| Body length (tool side) L1 | 41.5 mm | |
| Length compensation by tension | 7.5 mm | |
| Format | short | |
| Pendular compensation | yes | |
| Suitable for tapping | yes | |
| Minimum tap size D1 | M3 | |
| Maximum tap size D1 | M20 | |
| Interface | joint 1; joint 2 | |
| Type of product | quick-change chuck | |
| Overall length L | 133.9 mm | |
| Overall height H1 | 38 mm | |
| Overall width B1 | 38 mm | |
| Standard | ISO 7388-2; JIS B6339 | |
| Through-coolant available | no | |
| Material | heat-treatable steel | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 673629 | |
| Catalog number | 334663 | |
| EAN / GTIN | 4045197954411 | |
| Manufacturer number | 334663 M3-12 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- Compact design, with flexible length compensation by compression and tension.
- Adjustable lead-in pressures for different materials and taps.
Application:
- To produce threads that are true to gauge.
- For right-hand and left-hand thread.
- For NC machines and machining centres.
Optional extras:
See No. 335420 − 335660 for quick-change tapping collets.
Pull studs (PS) No. 308600 − 308806. Pull stud wrenches No. 308820; 308835.
Pull studs (PS) No. 308600 − 308806. Pull stud wrenches No. 308820; 308835.
Note:
- Quick-change tapping heads in other shank types size M14 − M33 available on request.
- Quick-change tapping heads not suitable for internal coolant supply.