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BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision
BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision
BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision
BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision
Specifications
Place of Origin :
China
Brand Name :
ARNOLD
Certification :
ISO9001:2000
Delivery Time :
7-10 days
Supply Ability :
1000000 Piece/Pieces per Month
MOQ :
2pc
Price :
40—300 USD
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
Description

Product Description

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


Typical Applications

  • 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

Component Breakdown

  1. Cutting Head

    • Central Inserts: Primary cutting edges (KC7325 carbide grade).

    • Finishing Inserts: Achieve Ra 0.8-3.2μm surface finish.

  2. BTA Tube

    • Matches hole diameter; delivers 70-150bar coolant for chip removal.

  3. Guidance System

    • Tungsten support pads (e.g., BTA-SP-50) prevent deflection and extend tool life.


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BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision

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Product Detail
Place of Origin :
China
Brand Name :
ARNOLD
Certification :
ISO9001:2000
Delivery Time :
7-10 days
Supply Ability :
1000000 Piece/Pieces per Month
MOQ :
2pc
Contact Supplier
BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision
BTA Deep Hole Drilling Head 25-150mm Diameter Bta Drilling Tool High Precision

Ningbo Lianchuang Hewo Precision Tools Co., Ltd

Verified Supplier
1 Years
ningbo
Since 2016
Business Type :
Manufacturer
Main Products :
Solid Carbide Drill, Gun Drills, BTA Drilling
Total Annual :
6000000-8000000
Employee Number :
100~120
Certification Level :
Verified Supplier
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