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BT LBA Boring Head Shanks
TAPER TYPE: BT (MAS 403)
CNC Spindle Adapter for LBK Boring System
BT taper shanks for mounting CBA and RBH boring heads to CNC machining centers. These precision-ground shanks provide the critical connection between your machine spindle and the LBK modular boring system. Available in BT30, BT40, and BT50 tapers with various LBK sizes.
AVAILABLE CONFIGURATIONS
BT Taper Sizes
- BT30 - Smaller machines
- BT40 - Most common
- BT50 - Heavy duty
LBK Sizes
- LBK1 β CBA20
- LBK2 β CBA25
- LBK3 β CBA32
- LBK4 β CBA40
- LBK5 β CBA52
- LBK6 β CBA68+
Projection Lengths
Various L1 lengths available:
COMPATIBLE BORING HEADS
KEY BENEFITS
Compatible Carbide Inserts
Specifications
Material & Construction
Material: High-grade steel, Interface: BT taper with LBK socket system, Accuracy: High precision BT taper, Finish: Precision ground
How to Choose the Correct Shank
Match Your Machine Spindle
Choose BT30, BT40, or BT50 based on your CNC machine's spindle taper type.
Match the LBK Number to Your Boring Head
The LBK number on this shank MUST match the LBK number on your CBA or RBH boring head for proper fit.
Choose Your Required Reach
Select the projection length (L1) based on your workpiece depth. Longer L1 = deeper reach into the workpiece.
Important: This shank is designed specifically for CBA Micro Finish Boring Heads and RBH Indexable Twin-bit Rough Boring Heads. Always verify LBK compatibility before ordering.
BT LBA Boring Head Shanks
Select Specifications
Ο(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
How to Choose the Right Holder
- Shank Height (H): Choose based on your machine's tool holder/turret slot size
- Tool Height (H3): Must match the H dimension of your SPB Tool (26mm or 32mm)
Example: If you have SPB26-3 tool (H=26mm), select H3=26mm
Must match your SPB Tool's H dimension
HRCβ€56 is recommended for best price/performance ratio with newest nano-black coating technology.
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SKU / Article Number
Price per piece
β¬
β¬
30% Discounted price
D (Diameter)
L1
L2
L3
L (Overall)
D1
Insert Code
Insert Count
BT Type
LBK No.
CBA Head
Range ΓD
Height Z
L (Overall)
L1 (Projection)
Γ D1
Weight
Fig.
Blade Width
Blade Height
Groove Depth
Orientation
Working Radius Range
Compatible Inserts
Ο(d)
R
D
I
L
Morse #
H7 Tolerance
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