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Specifications
Material & Construction
Material: High-grade steel, Interface: BSA (Boring System Adapter), Accuracy: High precision, Finish: Precision ground
Explanation: BSA Size & W Dimension
BSA Format:BSA[size]
BSA
Boring System Adapter
Standard interface for square shank turning tools
□
Square Shank Size (Number)
Maximum square shank dimension in mm for turning bars
W
W Dimension - Tool Square Size
The W dimension indicates the square cross-section size of the cutting tool insert that fits into this holder.
W = 8mm → Fits turning inserts with 8mm × 8mm square cross-section
W = 10mm → Fits turning inserts with 10mm × 10mm square cross-section
Usage: BSA holders are designed for classical external turning tools with square profile shanks. Select the BT taper matching your spindle, then choose the BSA size corresponding to your turning bar's square shank dimension.
BT x BSA Oblique Cutter Boring Bars
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
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
HRC≤56 is recommended for best price/performance ratio with newest nano-black coating technology.
