BT50-D50-300 BT50 Test Bar 300MM Gauge Length OD50mm for Spindle Runout Test BT50-D50-300 spare parts

BT50-D50-300 BT50 Test Bar 300MM Gauge Length OD50mm for Spindle Runout Test

• BT 50 Precision Test Bars
• Test Bar D 50 L 300
• BT50 test arbor BT50-D50-300
• Test arbor BT 50-50-300
• BT50 TEST BAR OD=50 mm L=300 mm
• BT50 Gauge Tool BT50-TA50-300
• Test Arbor BT50 Form A Ø50 - 300
• BT50 Test bar to measure spindle runout

BT50-D50-300 BT50 Test Bar 300MM Gauge Length OD50mm for Spindle Runout Test


This is BT50-D50-300 test bar, for MAS BT50 taper spindle runout testing.

The spindle runout test bar can be used to test your CNC machine tools for precise accuracy and proper alignments.

Spindle Runout Testbars are easy to use and they fast way to verify your machine spindle is running properly.

BT50 spindle test arbor parameters:

Material: 20CrMnTi.

Carburised Depth: >0.8mm

Surface Finish: Max. Ra0.25

Material Hardness: HRC54-56.

Tool Holder Shank Type: BT50

Tool Holder Size: Test Bar D50

Gauge Length (mm): 300

Tool Holder Type: Test

Runout Tolerance: ≤3μm

This test arbor is suitable for calibrating your machine spindle or tool presetter

Protective case included

RicoCNC tooling systems has expanded its line of precision test bars with models for BT30, BT40 and BT50; ISO30, CAT40 and CAT50; and HSK50A, HSK63A, HSK63E, HSK63F, HSK80A, and HSK100A.

These test bars are designed for easy and quick confirmation of accurate machine spindle alignment. Regular inspection of the spindle with a test bar can improve tool life by helping operators reduce TIR.


Please contact us for more information if any needs for CNC toolings!

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