| After-sales Service: | Online Support |
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| Warranty: | Online Support |
| Logo Printing: | with Logo Printing |
| Samples: |
tool holder
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
Product Name :BBT er collet chuck tool holder
Model :BBT30 BBT40 BBT50
Material :steel
Brand:ounuowei
OEM/ODM:Support 
The difference between BBT and BT toolholder:
The main difference between BBT and BT toolholders is the positioning method and the application scenario.
BBT collet chuck, which are positioned only by taper contact, are relatively simple and low-cost to manufacture. The BBT toolholder is equipped with both taper and face positioning, i.e., double-sided positioning. This design provides higher rigidity and stability in heavy and high-speed cutting, and the BBT toolholder can achieve the best results when used in conjunction with a BBT spindle.
BT toolholder. Its reference diameter is the outer diameter of the flange, while the reference diameter of the ordinary BT toolholder is the outer diameter of the big end of the taper shank. According to the principle of mechanics, the bigger the reference diameter, the stronger the rigidity, so the rigidity of the BBT toolholder has a significant improvement compared with the BT toolholder.
In addition, although BT shanks can also be used on BBT spindles, they can only be positioned on one side, which limits the rigidity of the connection and the use of its effect
Shandong Ounuowei Numerical Control Tool Co.,Ltd. was established in 2009,located in Shandong Province.It is both a manufacturer and a trading company, focusing on the production, sales and R&D of CNC tools.The company covers a total area of more than 17,000 square metres and has more than 200 employees, Our main products include CNC tool holder series, ER collets, high-end face mills /end mills /quick drills/U drills, indexable cutters and peripheral products for machining centres
Our company has high-end testing instruments such as Mitutoyo CMM/Mitutoyo Quadratic Projector/ Mitutoyo Cylindricity Meter/Mitutoyo Roughness Profiler/ SCHENCK Dynamic Balancer and other high-end testing instruments. This effictly ensures the accuracy and stablity of the products .
The warehouse area accounts for 5,000 square meters. The standing stock reaches more than 50 million yuan. The model involves more than 10,000 kinds, with complete specifications. The company has cooperation with all major express logistics companies at home and abroad, which can provide consumers with a convenient and efficient one-stop purchasing experience.
1.Are you a factory or trading company ?
We are a manufacturer ,and we also have our own trading company ,we have professional R&D team .sale team .We can provide you the best quality goods and the perfect service .
2.Could you provide non standard products ?
Yes we can.we can also make and supply the goods as delivered samples or drawing .
3.What is the advantage about your company ?
Our company has professional team and professional production line .
4.Why should I choose your products ?
Our products are high quality and good price
5.Any other good service your company can provide ?
Yes ,we can provide good after-sale and fast delivery
6.How can we guarantee quality ?
We follow our QC manual and inspect all data of our products 100%
Suppliers with verified business licenses
Audited Supplier 
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