HAIMER – Tool Holders – Steep taper JIS (MAS 403)
The spindle interface JIS B 6339 as the traditional interface for milling spindles distinguishes itself through it robust design. Its field of application ranges from fine machining to heavy duty roughing.
The tool holder is pulled in the milling spindle with the help of an additional pull stud. The centering takes place via the taper contact. Therefore, the JIS B 6339 interface is primarily suitable for applications with a spindle speed of up to 12,000 rpm.
Available Models
Technical Specifications
| Clamping Ø D1 | 3 mm. |
| Ø D2 ultra short | 10 mm. |
| Ø D2 | 10 mm. |
| Ø D3 ultra short | – |
| Ø D3 | – |
| L | 9 mm. |
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Technical Specifications
| Clamping Ø D1 | 3 mm. |
| Ø D2 | 10 mm. |
| Ø D3 | – |
| L | 9 mm. |
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Technical Specifications
| Clamping Ø D1 | 6 mm. |
| Ø D2 | 21 mm. |
| Ø D3 | 27 mm. |
| L | 36 mm. |
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Key Features
HAIMER – Tool Holders JIS (MAS 403) | BT30
- Heat resistant hot-working steel.
- Hardened 54 – 2 HRC.
- For HSS and solid carbide tools.
- Shank tolerance h6.
- Cooling with Cool Jet for an extra charge.
- Cooling with Cool Flash for an extra charge.
- Included in delivery: Back-up screw.
HAIMER – Tool Holders JIS (MAS 403) | BT40
- Heat resistant hot-working steel.
- Hardened 54 – 2 HRC.
- For HSS and solid carbide tools.
- Shank tolerance h6.
- With threaded holes in order to balance with balancing screws.
- Inch sizes: Cool Jet bores that can be sealed included.
- Metric sizes: Cooling with Cool Jet for an extra charge.
- Cooling with Cool Flash for an extra charge.
- Included in delivery: Back-up screw.
HAIMER – Tool Holders JIS (MAS 403) | BT50
- Heat resistant hot-working steel.
- Hardened 54 – 2 HRC.
- For HSS and solid carbide tools.
- Shank tolerance h6.
- With threaded holes in order to balance with balancing screws.
- Inch sizes: Cool Jet bores that can be sealed included.
- Metric sizes: Cooling with Cool Jet for an extra charge.
- Cooling with Cool Flash for an extra charge.
- Included in delivery: Back-up screw.
Key Industries
- Machinery & Manufacturing
HAIMER is a family run, medium size company located in Igenhausen, Bavaria near Augsburg, Germany. We design, produce and sell…
