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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
BT LBA Type Boring Head Shanks connect CBA Micro Finish Boring Heads and RBH Rough Boring Heads to BT spindle machining centers. These precision ground shanks use the LBK locking block socket system for secure, rigid mounting. Key Features: • BT Taper Interface: BT30, BT40, and BT50 configurations • LBK Socket System: LBK1 through LBK6 locking blocks for different boring head sizes • Multiple Projection Lengths: Various L1 dimensions for different reach requirements • High Rigidity: Precision ground taper for stable boring operations Compatibility: • **LBK1**: CBA20 heads (20-36mm range) • **LBK2**: CBA25 heads (25-47mm range) • **LBK3**: CBA32 heads (32-60mm range) • **LBK4**: CBA40 heads (40-79mm range) • **LBK5**: CBA52 heads (52-112mm range) • **LBK6**: CBA68/CBA100/CBA150 heads (68-210mm range) Applications: Internal boring, precision hole finishing, deep hole boring in CNC machining centers.
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
BT Type
LBK No.
CBA Head
Range ØD
Height Z
L (Overall)
L1 (Projection)
Ø D1
Weight
Fig.
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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