Dezhou Haina Precision Machinery Tools Co.,Ltd. (Hainer Tools ) located in the largest production base of machine tools accessories in China , since its establishment in 2011,we have 12 years experience of production.
We are specialized in researching , production and developing many kinds of GT / QKG /QGG Vise ,BT/ SK/ HSK/ DIN69871/ BBT/FMB / Toolholders , Hydraulic Toolholders, Shrink Toolhoders , ER/ERG/ERC Collets . UM/Mini/A Nuts . Pull Studs .
The products are exported to the USA,Italy,Germany,Russia,Brazil, Canada, Korea , etc,winning the good reputation from our customers.Better meet customer needs.


1.High precision DIN69871 BT30 BT40 BT50 SLN6 SLN8 SLN10 SLN18 SLN20 SLN 25 SLN32 SLN40 collet chuck made of 40Cr and 20 CrMnTi
2.High precision DIN69871 BT30 BT40 BT50 SLN6 SLN8 SLN10 SLN18 SLN20 SLN 25 SLN32 SLN40 collet chuck accuracy 0.005mm
3.High precision DIN69871 BT30 BT40 BT50 SLN6 SLN8 SLN10 SLN18 SLN20 SLN 25 SLN32 SLN40 collet chuck Hardness HRC48-52
4.Type BT30 BT40 BT45 BT50
5.ER collet packaging:Plastic box Carton

Order NO. | D | D1 | Wt(kg) |
BT×d-L1 | |||
BT30×16-55 | 32 | 31.75 | 1.00 |
BT30×22-55 | 40 | 31.75 | 1.25 |
BT30×27-55 | 48 | 31.75 | 1.25 |
BT30×32-55 | 58 | 31.75 | 1.50 |
BT30×40-60 | 70 | 31.75 | 2.30 |
BT40×16-55 | 32 | 44.45 | 1.20 |
BT40×16-100 | 32 | 44.45 | 1.50 |
BT40×22-55 | 40 | 44.45 | 1.25 |
BT40×22-100 | 40 | 44.45 | 1.85 |
BT40×27-55 | 48 | 44.45 | 1.50 |
BT40×27-100 | 48 | 44.45 | 2.00 |
BT40×32-60 | 58 | 44.45 | 1.20 |
BT40×32-100 | 58 | 44.45 | 2.30 |
BT40×40-60 | 70 | 44.45 | 2.00 |
BT40×40-100 | 70 | 44.45 | 3.00 |
BT50×16-63 | 32 | 69.85 | 3.60 |
BT50×16-100 | 32 | 69.85 | 4.00 |
BT50×22-70 | 40 | 69.85 | 3.70 |
BT50×22-100 | 40 | 69.85 | 4.00 |
BT50×27-70 | 48 | 69.85 | 4.00 |
BT50×27-100 | 48 | 69.85 | 4.40 |
BT50×32-70 | 58 | 69.85 | 4.20 |
BT50×32-100 | 58 | 69.85 | 4.70 |
BT50×40-75 | 70 | 69.85 | 4.50 |
BT50×40-100 | 70 | 69.85 | 5.50 |
BT50×50-75 | 90 | 69.85 | 4.60 |
BT50×50-125 | 90 | 69.85 | 7.20 |


