Ningbo Lianchuang Hewo Precision Tools Co., Ltd
| Delivery Time | 7-10 days |
| Supply Ability | 1000000 Piece/Pieces per Month |
| Accuracy | High precision |
| Application | Deep hole drilling |
| Tooling system | BTA |
| Cutting tool material | High-speed steel or carbide |
| Machine type | Horizontal or vertical |
| Workpiece material | Metal |
| Drilling diameter range | 20-65 mm |
| Place of Origin | China |
| Brand Name | ARNOLD |
| Certification | ISO9001:2000 |
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Product Specification
| Delivery Time | 7-10 days | Supply Ability | 1000000 Piece/Pieces per Month |
| Accuracy | High precision | Application | Deep hole drilling |
| Tooling system | BTA | Cutting tool material | High-speed steel or carbide |
| Machine type | Horizontal or vertical | Workpiece material | Metal |
| Drilling diameter range | 20-65 mm | Place of Origin | China |
| Brand Name | ARNOLD | Certification | ISO9001:2000 |
| High Light | 150mm Diameter Deep Hole Drilling Head ，25mm Diameter bta drilling tool ，25mm Diameter Deep Hole Drilling Head | ||
Overview
The BTA (Boring and Trepanning Association) Deep Hole Drilling Head is a high-efficiency, heavy-duty tool designed for medium-to-large diameter (Ø20-250mm+) deep hole machining with extreme depth-to-diameter ratios (up to 300:1). Its patented external chip evacuation + high-pressure coolant system delivers superior performance in energy, aerospace, and large hydraulic cylinder applications.
Table parameters
| Diameter range(mm) | Intermediate insert | Central insert | Peripheral insert | Support pads |
| 25 - 28.5 | 800-050308M-C-G | 800-050308M-I-G | 800-060308H-P-G | 800-06A |
| 28.6 - 31.99 | 800-06T308M-C-G | 800-050308M-I-G | 800-060308H-P-G | 800-06A |
| 32 - 33.99 | 800-06T308M-C-G | 800-06T308M-I-G | 800-08T308H-P-G | 800-07A |
| 34 - 35 | 800-08T308M-C-G | 800-06T308M-I-G | 800-08T308H-P-G | 800-07A |
| 35.1 - 38.99 | 800-08T308M-C-G | 800-08T308M-I-G | 800-08T308H-P-G | 800-07A |
| 39 - 43 | 800-08T308M-C-G | 800-08T308M-I-G | 800-09T308H-P-G | 800-08A |
| 44 - 47 | 800-10T308M-C-G | 800-08T308M-I-G | 800-09T308H-P-G | 800-08A |
| 48 - 52 | 800-10T308M-C-G | 800-08T308M-I-G | 800-11T308H-P-G | 800-10A |
| 53 - 56 | 800-10T308M-C-G | 800-12T308M-I-G | 800-11T308H-P-G | 800-10A |
| 57 - 59 | 800-10T308M-C-G | 800-12T308M-I-G | 800-11T308H-P-G | 800-12A |
| 60 - 65 | 800-12T308M-C-G | 800-12T308M-I-G | 800-11T308H-P-G | 800-12A |
Energy: Oil drill collars, nuclear turbine cooling holes
Heavy Machinery: Hydraulic cylinders, large shaft bores
Aerospace: Landing gear struts, engine spindles
Mold Making: Die-casting mold cooling channels
Cutting Head
Central Inserts: Primary cutting edges (KC7325 carbide grade).
Finishing Inserts: Achieve Ra 0.8-3.2μm surface finish.
BTA Tube
Matches hole diameter; delivers 70-150bar coolant for chip removal.
Guidance System
Tungsten support pads (e.g., BTA-SP-50) prevent deflection and extend tool life.
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
6000000-8000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Ningbo Lianchuang Hewu Precision Tools Co., Ltd. specializes in providing comprehensive solutions for precision cutting technology. We offer customers high-quality metal cutting tools, including indexable inserts, carbide cutting tools, PCD cutting tools, as well as design development and technical ... Ningbo Lianchuang Hewu Precision Tools Co., Ltd. specializes in providing comprehensive solutions for precision cutting technology. We offer customers high-quality metal cutting tools, including indexable inserts, carbide cutting tools, PCD cutting tools, as well as design development and technical ...
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