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Compatible Carbide Inserts
Specifications
Material & Construction
Material: High-grade steel, Interface: LBK & BST locking block systems, Accuracy: Micron-level precision, Finish: Precision ground
CBA Micro Finish Boring Heads
CBA (Cartridge Boring Adjustable) Micro Finish Boring Heads are precision tools designed for fine boring operations requiring exceptional surface finish and dimensional accuracy. These heads feature an adjustable cartridge system with interchangeable insert seats to cover a wide range of boring diameters. Key Features: • Cartridge System: Modular insert seat design (ENH series) for easy insert changes • Fine Boring: Optimized for precision finishing operations • Multiple Diameter Ranges: From 20mm to 210mm capacity • LBK Locking Blocks: Secure cartridge clamping systems (LBK1-LBK6, BST) • Adjustable Design: Fine-tune boring diameter within each range • High Rigidity: Stable construction for excellent surface finish Model Nomenclature: • **CBA**: Product series (Cartridge Boring Adjustable) • **20**: Minimum boring diameter (e.g., 20mm) • **(20-36)**: Complete boring range for that tool body • **ENH1-1**: Insert seat designation - **ENH**: Insert holder series - **1**: Insert size group (1-6) - **-1**: Range variant (1, 2, or 3) Insert Seat System: • **ENH1 Series**: Smallest inserts (for CBA20) • **ENH2 Series**: Small inserts (for CBA25) • **ENH3 Series**: Medium-small inserts (for CBA32) • **ENH4 Series**: Medium inserts (for CBA40) • **ENH5 Series**: Medium-large inserts (for CBA52) • **ENH6 Series**: Large inserts (for CBA68, CBA100, CBA150) Each CBA model supports 3 insert seats to cover its full diameter range: • **Variant -1**: Handles smallest diameters in the range • **Variant -2**: Handles middle diameters • **Variant -3**: Handles largest diameters Locking Block Systems: • **LBK1-LBK6**: Progressive sizes for different tool capacities • **BST**: Special system for largest model (CBA150) Applications: • Precision internal boring operations • Fine finishing of pre-drilled holes • High-accuracy diameter sizing • Surface finish improvement • Automotive and aerospace component finishing • Hydraulic cylinder boring • Bearing housing finishing Note: CBA = CBH (these designations are equivalent)
Select Specifications
φ(d)=Cutting Diameter | R=Radius | D=Shank Diameter | I=Cutting Length | L=Overall Length | All in mm
D=Diameter | L1, L2, L3=Length Dimensions | L=Overall Length | D1=Shank Diameter | All in mm
Select blade width, groove depth (T), and working radius range to find the right Face Groove tool
Select boring diameter range, shank diameter (D), and insert type (C=diamond/T=triangular) to find the right boring head
Select CBA model (complete boring range) and internal boring range to find the right micro finish boring head
Select LBK model (matches your CBA boring head) and extension length to find the right extension rod
Select BT type (spindle taper), LBK number (locking block socket), CBA head model, and projection length (L1) to find the right boring head shank
HRC≤56 is recommended for best price/performance ratio with newest nano-black coating technology.
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SKU / Article Number
D (Diameter)
L1
L2
L3
L (Overall)
D1
Insert Code
Insert Count
CBA Model
Insert Seat
Internal Boring
Socket No.
L (Length)
L1 (Working)
Wrench
Blade Width
Blade Height
Groove Depth
Orientation
Working Radius Range
Compatible Inserts
φ(d)
R
D
I
L
Morse #
H7 Tolerance
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