- Machine-tools
- Machine Tool Accessory
- BT 30 collet chuck
- Infranor Group
BT 30 collet chuck BT seriesBT 40BT 50shrink fit
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Characteristics
- Machine mount
- BT 30, BT 40, BT 50
- Clamping method
- ER, SK, steep taper, shrink fit
- Application
- milling, drilling
- Other characteristics
- high-precision, balanced, for CNC machines, quick-change, high-accuracy
- Clamping range
Max.: 30 mm
(1.18 in)Min.: 1 mm
(0.04 in)- Rotational speed
15,000 rpm, 18,000 rpm, 30,000 rpm
(94,248 rad.min-1, 113,097 rad.min-1, 188,496 rad.min-1)
Description
Overview
The BT Series steep taper shaft holders are a standard clamping solution for milling spindles. Easy to operate and engineered for precision, they cover a wide range of machining applications.
Main benefits
Tool holder variants and key data (table)
Columns: Tool Holder System | Holder Type | Collet Type | Collet Range | Cutter Dia [mm] | Combined runout accuracy at 4D [µm] | Main features
BT Collet Chuck | BT30 | ER | ER 8 - ER 32 | 1.0 - 20.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT40 | ER | ER 16 - ER 40 | 1.0 - 30.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT50 | ER | ER 32 - ER 40 | 2.0 - 30.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT30 | SK | SK 6 - SK 25 | 1.0 - 25.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT40 | SK | SK 10 - SK 25 | 2.0 - 25.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT50 | SK | SK 16 - SK 25 | 3.0 - 25.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT30 | KR | KR 11 - KR 36 | 1.0 - 24.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT40 | KR | KR 16 - KR 36 | 2.0 - 24.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT50 | KR | KR 25 - KR 36 | 3.0 - 24.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Shrink Fit Chuck | BT30 | — | ER 11 - ER 32 | 3.0 - 14.0 | ≤ 2 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Shrink Fit Chuck | BT40 | — | SK 10 - SK 25 | 4.0 - 14.0 | ≤ 2 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Shrink Fit Chuck | BT50 | — | KR 16 - KR 36 | 4.0 - 14.0 | ≤ 2 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
Technical specifications
The BT Series steep taper shaft holders are a standard clamping solution for milling spindles. Easy to operate and engineered for precision, they cover a wide range of machining applications.
Main benefits
- Excellent precision with low runout
- High wear resistance
- High clamping force and straightforward balancing
- Quick insertion and removal of tools
Tool holder variants and key data (table)
Columns: Tool Holder System | Holder Type | Collet Type | Collet Range | Cutter Dia [mm] | Combined runout accuracy at 4D [µm] | Main features
BT Collet Chuck | BT30 | ER | ER 8 - ER 32 | 1.0 - 20.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT40 | ER | ER 16 - ER 40 | 1.0 - 30.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT50 | ER | ER 32 - ER 40 | 2.0 - 30.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT30 | SK | SK 6 - SK 25 | 1.0 - 25.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT40 | SK | SK 10 - SK 25 | 2.0 - 25.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT50 | SK | SK 16 - SK 25 | 3.0 - 25.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT30 | KR | KR 11 - KR 36 | 1.0 - 24.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT40 | KR | KR 16 - KR 36 | 2.0 - 24.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Collet Chuck | BT50 | KR | KR 25 - KR 36 | 3.0 - 24.0 | ≤ 5 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Shrink Fit Chuck | BT30 | — | ER 11 - ER 32 | 3.0 - 14.0 | ≤ 2 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Shrink Fit Chuck | BT40 | — | SK 10 - SK 25 | 4.0 - 14.0 | ≤ 2 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
BT Shrink Fit Chuck | BT50 | — | KR 16 - KR 36 | 4.0 - 14.0 | ≤ 2 | Ultra precise taper hole; Dimensional precision ≤ 2 µm; Cylindricity ≤ 1 µm; Customized, extra wear resistant stainless steel
Technical specifications
- Tool holder family: BT Series (steep taper shaft holders)
- Holder sizes: BT30, BT40, BT50
- Collet types supported: ER, SK, KR (depending on holder)
- Collet ranges: ER 8–ER 40; SK 6–SK 25; KR 11–KR 36 (varies by holder size)
- Cutter diameter ranges: 1.0 mm up to 30.0 mm depending on configuration
- Combined runout accuracy at 4D: ≤ 5 µm for collet chucks; ≤ 2 µm for shrink fit chucks
- Dimensional precision: ≤ 2 µm
- Cylindricity: ≤ 1 µm
- Main features: ultra precise taper hole, customized extra wear resistant stainless steel, high clamping force, simple balancing
Catalogs
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.