✓ In Stockalignment bar
BT 40 Spindle Test Bar - 300mm
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£199.85+ VAT
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High-precision CNC spindle test bar for checking spindle taper runout and alignment. ≤0.002mm accuracy, 20CrMnTi alloy steel, HRC56-58° hardness, cryogenically treated. Includes aluminium storage box.
Precision Spindle Test Bar — BT40
Essential tool for checking CNC spindle taper accuracy and runout. Used for machine tool alignment, spindle verification, and quality control.
Technical Specifications
- Accuracy: ≤0.002mm
- Material: 20CrMnTi alloy steel
- Hardness: HRC56-58°
- Treatment: Cryogenically treated at approximately -196°C to eliminate internal stress and improve material stability
- Features: High concentricity, strong shock resistance, wear resistant, not easily deformed after ageing and heat treatment
Package Includes
- 1× CNC Spindle Test Bar
- 1× Aluminium Storage Box
All test bars are individually inspected before dispatch. Suitable for professional machine shops, CNC service engineers, and quality control departments.
