Buy Morse Taper Spindle Runout Test Bar

Morse Taper Spindle Test Bar Runout Arbor Steep Taper

The largest causes of excessive tool wear and tool breakage are machine tool spindle runout and excessive slop or axial play. The spindle runout test bar can be used to test your CNC machine tools for precision accuracy and proper alignments. Test bars ensure a stable production environment and consistency when moving jobs from one machine to another.

Spindle Runout Testbars are easy to use and they fast way to verify your machine spindle is running properly. Check them after a machine has been crashed and take the proper steps to prevent unintentionally making scrap parts.

Morse Taper Testbar Tolerance and Accuracy

5 micron or 0.0002in.
Manufactured per Morse taper standard DIN 229.
Runout arbors include certificates.

Retention knobs are not included. (use one from your machine, as they differ from one machine to the other.)

Spindle Runout Gauge Size	Dia.	Gauge Length	Part Number
MT0 Morse Taper Test bar			TBTM0
MT1 Morse Taper Test Bar	-	-	TBMT1
MT2 Morse Taper Test Bar	-	-	TBMT2
MT3 Morse Taper Test Bar	25	250	TBMT3
MT4 Morse Taper Test Bar	32	300	TBMT4
MT5 Morse Taper Test Bar	40	300	TBMT5
MT6 Morse Taper Test Bar	-	-	TBMT6

Morse Taper Testbar Size Chart

Morse Taper	Taper	A	B (max)	C (max)	D (max)	E (max)	F	G	H	J
0	1:19.212	9.045	56.5	59.5	10.5	6	4	1	3	3.9
1	1:20.047	12.065	62	65.5	13	8.7	5	1.2	3.5	5.2
2	1:20.020	17.780	75	80	16	13.5	6	1.6	5	6.3
3	1:19.922	23.825	94	99	20	18.5	7	2	5	7.9
4	1:19.254	31.267	117.5	124	24	24.5	8	2.5	6.5	11.9
5	1:19.002	44.399	149.5	156	29	35.7	10	3	6.5	15.9
6	1:19.180	63.348	210	218	40	51	13	4	8	19
7	1:19.231	83.058	285.75	294.1	34.9	-	-	19.05	-	19