CNC Probes | McMaster-Carr

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50 Products

Modular Scanning Coordinate Measurement Machine Probes

Determine a part’s precise shape, position, and size—these Renishaw probes give you comprehensive 3D measurements by continuously gathering data as they move across your part. This means that unlike touch-trigger probes, they can follow the shape of complex features, such as angles and curves. And because they collect more data points than touch-trigger probes, they’re better for engine cylinder bores, dies, and other components that require high accuracy to fit into other parts. These probes are more accurate than other automated measurement systems that use light or cameras instead of touch.

To inspect different features, you can swap them out for a different probe without having to recalibrate. They mount magnetically to a base that threads into your coordinate measuring machine (CMM), making mid-inspection changes quick. They’re also known as modules.

All probes require a stylus, a stylus holder, and a base. Choose a probe based on how long your stylus needs to be. These probes are highly sensitive to length, so you should make sure that the combined length of your holder and stylus falls within the probe’s effective working length range. If you want to use the same probe with multiple styli, you can use multiple holders. However, you can’t mix and match probes with different stylus holders.

Probe and Base Kits

Probe and base kits give you a basic setup that’s suitable for most measuring applications.

			For Stylus
No. of Pieces	Includes	For Effective Working Lg., mm	Thread Size	O'all Lg., mm	For Axis Measuring Direction	Manufacturer (Series)		Each



	4	One SM25-1 Probe Two SH25-1 Stylus Holders One SP25M Probe Base	20 to 50	M3	20 to 50	±X, ±Y, ±Z	Renishaw (SM25-1, SH25-1, SP25M)	6191N11	0000000000

Probe Bases

Bases house the system that sends a signal to record a measurement. They attach to quick-connect CMM probe heads.

Lg., mm	Manufacturer (Series)		Each



25	46	Renishaw (SP25M)	6191N24	000000000

Probes


Stylus Holder	Probe

Non-Linear Scanning Probes—Non-linear scanning probes work with angled styli and star styli, which probe in multiple directions.

	Coordinate Measurement Machine Probes									Stylus Holders
				For Stylus
	For Effective Working Lg., mm	Dia., mm	Lg., mm	Thread Size	O'all Lg., mm	For Axis Measuring Direction	Manufacturer (Series)		Each	Lg., mm		Each
Coordinate Measurement Machine Probes



		20 to 50	25	26	M3	20 to 50	±X, ±Y, ±Z	Renishaw (SM25-1)	6191N13	000000000	2.3	6191N18	0000000


		50 to 105	25	34	M3	20 to 75	±X, ±Y, ±Z	Renishaw (SM25-2)	6191N14	00000000	32.2	6191N19	000000
		120 to 200	25	48	M3	20 to 100	±X, ±Y, ±Z	Renishaw (SM25-3)	6191N15	00000000	102.2	6191N21	000000
		220 to 400	25	63	M3	20 to 200	±X, ±Y, ±Z	Renishaw (SM25-4)	6191N16	00000000	202.3	6191N22	000000


		Non-Linear Scanning Probes



				10 to 100	25	39	M3	10 to 100	±X, ±Y, ±Z	Renishaw (SM25-5)	6191N17	00000000	2.7	6191N23	000000

Touch-Trigger Probe Adapters

Image of Product. Top orientation. Coordinate Measurement Machine Probes. Modular Scanning Coordinate Measurement Machine Probes, Touch-Trigger Probe Adapters.

Touch-trigger probe adapters let you use a scanning probe base with a touch-trigger probe. Touch-trigger probes are more efficient than scanning probes for measuring the location of and distance between holes and other features.

Lg., mm	For Probe Mfr. Series	Manufacturer (Series)		Each



25	17	LF, SF, 6W, MF, EF	Renishaw (TM25-20)	6191N12	000000000

Modular Coordinate Measurement Machine Probes

Probe Base and

Probe Sold

Separately

Swap out Renishaw probe styles to inspect different features on a part without having to recalibrate. These probes mount magnetically to a base that threads into your coordinate measuring machine (CMM), making mid-inspection changes quick. They’re also known as modules. It’s easy to tell different styles apart from their different end colors. To take 3D measurements, they record the coordinates of different points on your workpiece. Because this involves physically touching your workpiece, they’re more accurate than other automated measurement systems. They’re touch-trigger probes, the most common CMM probe type, which means they stop to record the coordinates of one point at a time. Use them to check distances, diameters, right angles, and the location of holes and grooves. However, they're not as good at checking complex features, flatness, or roundness.

All probes require a stylus as well as a base (sold separately for some probes).

Trigger force is the amount of force required for a probe to take a measurement and record it. Choose a probe with a force that is high enough to avoid false triggers from vibration but not so high it damages the workpiece and leads to inaccurate measurements.

Probe and Base Kits

SF Series—SF series probes have a trigger force that works for most general purpose probing jobs where vibration is not an issue.

TP20 Series—TP20 probe bases have a magnetic proximity switch to prevent a probe from accidentally triggering when you’re attaching it or detaching it. However, probes attached to these bases can’t be used to inspect magnetic parts.

			For Stylus			Trigger Force, N
No. of Pieces	Includes	Dia., mm	Thread Size	O'all Lg., mm	For Axis Measuring Direction	X- and Y-Axis	Z-Axis	End Color	Features	Manufacturer (Series)		Each



	3	Two 20 mm Lg. SF Probes One 19 mm Lg. TP20 Probe Base	13	M2	10 to 50	±X, ±Y, +Z	0.08	0.75	Black	Magnetic Proximity Switch	Renishaw (SF, TP20)	6179N11	000000000

Coordinate Measurement Machine Probe Base Installation Tools

For Probe Mfr. Series	Mfr.	Mfr. Model No.		Each
TP20, TP20 NI	Renishaw	A-1042-1486	6179N23	000000

Probe Bases

Bases house the system that sends a signal to record a measurement. They thread onto probe heads with an M8 connection on your CMM.

TP20 NI Series—TP20 NI probe bases aren’t affected by magnetic fields, so they can be used to inspect magnetic parts. However, because they don’t have a magnetic proximity switch, you’ll need to program your CMM to stop taking measurements when you’re changing out probes.

Lg., mm	Enclosure Rating	Features	Manufacturer (Series)		Each



13	19	IP30	—	Renishaw (TP20 NI)	6179N13	000000000


13	19	IP30	Magnetic Proximity Switch	Renishaw (TP20)	6179N12	00000000

Coordinate Measurement Machine Probe Base Installation Tools

For Probe Mfr. Series	Mfr.	Mfr. Model No.		Each
TP20, TP20 NI	Renishaw	A-1042-1486	6179N23	000000

Probes

LF Series—LF series probes have the lowest trigger force, so they’re best on materials such as rubber that could be deformed by too much pressure from probing. However, they’re the most likely to accidentally trigger from vibration.

SF Series—SF series probes have a trigger force that works for most general purpose probing jobs where vibration is not an issue.

6W Series—6W series probes work well if you need to inspect features on the bottom of a part, such as overhangs and undercuts. They measure in six directions instead of five.

MF Series—MF series probes have a slightly higher trigger force than typical applications require to account for vibration.

EF Series—EF series probes have the highest trigger force, so they’re the best choice for environments with vibration. They also work well for larger styli, such as long 5-star styli.

70 mm Long—70 mm long probes are useful if you need to reach deep into holes.

95 mm Long—95 mm long probes are useful if you need to reach deep into holes.

			For Stylus			Trigger Force, N
	Dia., mm	Lg., mm	Thread Size	O'all Lg., mm	For Axis Measuring Direction	X- and Y-Axis	Z-Axis	End Color		Each
Renishaw (LF)



		13	20	M2	10 to 30	±X, ±Y, +Z	0.055	0.65	Green	6179N17	000000000


		Renishaw (SF)



				13	20	M2	10 to 50	±X, ±Y, +Z	0.08	0.75	Black	6179N14	00000000


				13	70	M2	10 to 50	±X, ±Y, +Z	0.08	0.75	Black	6179N19	00000000
				13	95	M2	10 to 50	±X, ±Y, +Z	0.08	0.75	Black	6179N21	00000000


				Renishaw (6W)



						13	24	M2	10 to 30	±X, ±Y, ±Z	0.14	1.6	Blue	6179N18	00000000


						Renishaw (MF)



								13	20	M2	10 to 60	±X, ±Y, +Z	0.1	1.9	Gray	6179N15	00000000


								Renishaw (EF)



										13	20	M2	10 to 60	±X, ±Y, +Z	0.1	3.2	Brown	6179N16	00000000

Coordinate Measurement Machine Probe Base Installation Tools

For Probe Mfr. Series	Mfr.	Mfr. Model No.		Each
TP20, TP20 NI	Renishaw	A-1042-1486	6179N23	000000

Coordinate Measurement Machine Probes for CNC Machines

Measure parts in 3D while they're still on your CNC machine. These probes integrate into your machine’s control system to save you time and help you keep parts in tolerance while machining. Because they measure with a stylus (not included) that physically touches your part one point at a time, they accurately check distances, diameters, and angles. They can also be used to position a workpiece, locate holes and grooves, and check for scratches and dents. However, they don't work well on more complex measurements, like how round or flat a part is. IP rated, they’re watertight enough to handle submersion, so you don’t have to worry about coolant seeping in.

All probes require a receiver and an interface (sold separately) to communicate with your CNC machine. Receivers send your probe’s data to interfaces, which need to be wired to your machine’s control panel.

Probes

Infrared—Infrared probes send data to a receiver up to 5 meters away, but because they use light, they need a clear view.

Radio— Radio probes send data to a receiver up to 15 meters away. They block out interference from other radio devices, so you can use multiple radio probes in one machine shop.

40 mm Diameter—40 mm probes are typically found in small and medium machines with a chuck size between 6" and 15".

63 mm Diameter—63 mm probes are typically found in medium to large machines with a chuck size between 10" and 24".

	Coordinate Measurement Machine Probes													Replacement Batteries
			For Stylus			Trigger Force, N
	Dia., mm	Lg., mm	Thread Size	O'all Lg., mm	For Axis Measuring Direction	X- and Y-Axis	Z-Axis	Repeatability, mm	Max. Distance from Receiver, m	Enclosure Rating	Manufacturer (Series)		Each	Pkg. Qty.		Pkg.
Infrared



		40	50	M4	50 to 150	±X, ±Y, +Z	0.5, 0.9	5.85	-0.001 to 0.001	5	IK01, IP08	Renishaw (OMP40)	6206N11	000000000	1	6951K59	00000


		63	76	M4	50 to 150	±X, ±Y, +Z	0.75, 1.4	5.3	-0.001 to 0.001	6	IP08	Renishaw (OMP60)	6206N12	00000000	1	6951K57	0000


		Radio



				40	50	M4	50 to 150	±X, ±Y, +Z	0.5, 0.9	5.85	-0.001 to 0.001	15	IK01, IP08	Renishaw (RMP40-QE)	6206N17	00000000	1	6951K59	0000


				63	76	M4	50 to 150	±X, ±Y, +Z	0.75, 1.4	5.3	-0.001 to 0.001	15	IP08	Renishaw (RMP60-QE)	6206N18	00000000	1	6951K57	0000

Accessories for Coordinate Measurement Machine Probes

Receivers

Receiver

For Infrared Probes—Infrared probes send data to a receiver up to 5 meters away, but because they use light, they need a clear view.

	For Max. No. of Probes	Wire Connection	Cord Lg., ft.	Manufacturer (Series)		Each
For Infrared Probes



	Receiver	4	Wire Leads	82	Renishaw (OMM-2)	6206N13	000000000

Interfaces

Interface

For Infrared Probes—Infrared probes send data to a receiver up to 5 meters away, but because they use light, they need a clear view.

	Wire Connection	Manufacturer (Series)		Each
For Infrared Probes



	Interface	Screw Terminal	Renishaw (OSI)	6206N14	000000000

Receivers/Interfaces

Receiver/Interface

For Infrared Probes—Infrared probes send data to a receiver up to 5 meters away, but because they use light, they need a clear view.

For Radio Probes— Radio probes send data to a receiver up to 15 meters away. They block out interference from other radio devices, so you can use multiple radio probes in one machine shop.

	For Max. No. of Probes	Wire Connection	Cord Lg., ft.	Manufacturer (Series)		Each
For Infrared Probes



	Receiver/Interface	2	Wire Leads	26	Renishaw (OMI-2T)	6206N31	000000000


	For Radio Probes



			Receiver/Interface	4	Wire Leads	49	Renishaw (RMI-Q)	6206N19	00000000

Receiver Mounting Brackets

Image of Product. Front orientation. Brackets.

Receiver mounting brackets make it easy to attach a receiver or receiver/interface to your machine.

Color	Material	Mounting Fasteners Included	Mfr.	Mfr. Model No.		Each
Black	Powder-Coated Steel	Yes	Renishaw	A-2033-0830	6206N21	0000000

Shanks

Use a shank to attach a probe to the spindle on your CNC machine.

For Probe Dia., mm	Shank Type	For Probe Mfr. Series	Mfr.	Mfr. Model No.		Each
40	BT 40 Taper	OMP40, RMP40-QE	Renishaw	M-4071-0057	6206N26	0000000
40	BT 50 Taper	OMP40, RMP40-QE	Renishaw	M-4071-0071	6206N27	000000
40	CAT 40 Taper	OMP40, RMP40-QE	Renishaw	M-4071-0058	6206N22	000000
40	CAT 50 Taper	OMP40, RMP40-QE	Renishaw	M-4071-0072	6206N23	000000
63	BT 40 Taper	OMP60, RMP60-QE	Renishaw	M-2045-0027	6206N28	000000
63	BT 50 Taper	OMP60, RMP60-QE	Renishaw	M-2045-0073	6206N29	000000
63	CAT 40 Taper	OMP60, RMP60-QE	Renishaw	M-2045-0069	6206N24	000000
63	CAT 50 Taper	OMP60, RMP60-QE	Renishaw	M-2045-0071	6206N25	000000

Shank Adapters

Add a shank adapter to fit 40 mm probes to shanks made for 63 mm probes.

For Probe Manufacturer Series	Compatible with Shanks for Probe Manufacturer Series	Mfr.	Mfr. Model No.		Each
OMP40, RMP40-QE	MP11, MP12, MP700, MP700E, OMP60, RMP60-QE	Renishaw	A-4071-0031	6206N16	0000000

Conduit Trade Size	Cord Lg., ft.	Mfr.	Mfr. Model No.		Each
5/16	3	Renishaw	A-4113-0306	6206N15	000000

Coordinate Measurement Machine Probes for CNC Lathes

Take 3D measurements even in the harsh machining conditions of a CNC lathe. IP rated and built with a strengthened glass window, these probes seal out coolant and resist scratches from flying metal chips. Integrate them into your lathe’s control system to catch errors while your part is still on the machine—saving time and cutting down on material waste. Since they physically touch a part one point at a time, they accurately check distances, diameters, and angles. They can also be used to position a workpiece, locate holes and grooves, and check for scratches, dents, or other imperfections. However, they don’t work well on more complex features, like how round or flat a part is.

All probes require a probe styli. You’ll also need a receiver and an interface (sold separately) to communicate with your CNC lathe. Receivers send your probe’s data to interfaces, which need to be wired to your lathe’s control panel.

Probes

	Coordinate Measurement Machine Probes													Replacement Batteries
			For Stylus			Trigger Force, N
	Dia., mm	Lg., mm	Thread Size	O'all Lg., mm	For Axis Measuring Direction	X- and Y-Axis	Z-Axis	Repeatability, mm	Max. Distance from Receiver, m	Enclosure Rating	Manufacturer (Series)		Each	Pkg. Qty.		Pkg.
Infrared



		40	58	M4	50 to 150	±X, ±Y, +Z	0.4, 0.8	5.3	-0.001 to 0.001	5	IK02, IP08	Renishaw (OLP40)	6192N11	000000000	1	6951K59	00000


		Radio



				40	58	M4	50 to 150	±X, ±Y, +Z	0.6, 0.97	6.23	-0.001 to 0.001	15	IK02, IP08	Renishaw (RLP40-QE)	6192N12	00000000	1	6951K59	0000

Accessories for Coordinate Measurement Machine Probes

Receivers

Receiver

For Infrared Probes—Infrared probes send data to a receiver up to 5 meters away, but because they use light, they need a clear view. These probes are typically found in small lathes with chuck sizes around 8” and medium lathes with chuck sizes around 15”. They can also be used on a 5-axis CNC with a table size under 1,500 mm.

	For Max. No. of Probes	Wire Connection	Cord Lg., ft.	Manufacturer (Series)		Each
For Infrared Probes



	Receiver	4	Wire Leads	82	Renishaw (OMM-2)	6206N13	000000000

Interfaces

Interface

	Wire Connection	Manufacturer (Series)		Each
For Infrared Probes



	Interface	Screw Terminal	Renishaw (OSI)	6206N14	000000000

Receivers/Interfaces

Receiver/Interface

For Radio Probes—Radio probes send data to a receiver up to 15 meters away. They block out interference from other radio devices, so you can use multiple radio probes in one machine shop. They’re used in small, medium, and large lathes with a chuck size up to 24". They can also be used on a 5-axis CNC with a table size under 3,500 mm.

	For Max. No. of Probes	Wire Connection	Cord Lg., ft.	Manufacturer (Series)		Each
For Infrared Probes



	Receiver/Interface	2	Wire Leads	26	Renishaw (OMI-2T)	6206N31	000000000


	For Radio Probes



			Receiver/Interface	4	Wire Leads	49	Renishaw (RMI-Q)	6206N19	00000000

Receiver Mounting Brackets

Receiver mounting brackets make it easy to attach a receiver or receiver/interface to your lathe.

Color	Material	Mounting Fasteners Included	Mfr.	Mfr. Model No.		Each
Black	Powder-Coated Steel	Yes	Renishaw	A-2033-0830	6206N21	0000000

Shanks

Use a shank to attach a probe to the spindle on your CNC lathe.

For Probe Dia., mm	Shank Type	For Probe Mfr. Series	Mfr.	Mfr. Model No.		Each
40	Round (1/2" Dia.)	OLP40, RLP40-QE	Renishaw	A-5625-1004	6192N14	0000000
40	Round (1" Dia.)	OLP40, RLP40-QE	Renishaw	A-5625-1007	6192N15	000000
40	Round (25 mm Dia.)	OLP40, RLP40-QE	Renishaw	A-5625-1003	6192N13	000000