Metal Inspection Kits | McMaster-Carr

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DFARS Specialty Metals

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For Stylus Stem Material

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56 Products

Passivation Testers

Test stainless steel to see if it needs to be passivated or was properly passivated. These tests detect the presence of iron from fabrication processes, which can limit stainless steel's inherent ability to resist corrosion. Often used in aerospace, pharmaceutical, and medical device industries, they meet ASTM, aerospace, and military passivation standards.

To perform a test, squeeze the dropper to apply the solution to the surface of a part. Keep the surface wet for six minutes before rinsing and drying it off. Do not scrub the solution off. If iron is detected, the surface will appear copper in color. If no copper coloring appears, the surface is clear of contaminants and is properly passivated. These bottles include enough solution to perform hundreds of spot tests.

This test is often used on all 200 and 300 series stainless steels and some 400 series stainless steel alloys. However, it’s not recommended to use this solution on 400 series stainless steel with less than 16% chromium. These stainless steel alloys will typically cause a false failure of the test.

			Container
For Use On	Test Type	No. of Tests	Type	Size, fl. oz.	Includes	Specs. Met		Each
Stainless Steel	Analog	200	Bottle	2	Cloth, Copper-Sulfate Testing Solution, Cotton Swabs	ASTM A380, ASTM A967, ASTM B912, SAE AMS2700	7205N11	000000

Natural Light Flaw-Detection Dye Kits

Use colored dye to reveal cracks and surface flaws in most nonporous material. Flaws become visible under natural light and appear as a bright red color. Commonly used for weld inspecting.

For Use On	Includes	Specs. Met	Mil. Spec.		Each
Carbide, Cast Iron, Ceramic, Stainless Steel, Steel	Four 16-oz. Aerosol Cans of Cleaner, Two 16-oz. Aerosol Cans of Developer, Two 16-oz. Aerosol Cans of Red Dye	ASTM E1417, SAE AMS2644	MIL-STD-2132, MIL-STD-271	1383T3	0000000

Replacements for Flaw-Detecting Dyes

		Each
Cleaner	1383T7	000000	000000
Visible Red Dye	1383T4	00000	00000
Developer for Visible Red Dye	1383T5	00000	00000

UV Light Flaw-Detection Dye Kits

More sensitive than natural light kits, these kits use UV light with colored dye to detect cracks, seams, and pores on machined surfaces.

		Light
For Use On	Includes	Bulb Type	Wattage, W	Voltage, V AC	Connection Type	Electrical Connection	No. of Blades	Cord Lg., ft.	Specs. Met	Mil. Spec.		Each
Carbide, Cast Iron, Ceramic, Stainless Steel, Steel	One 16-oz Aerosol Can of Fluorescent Green Dye, One 16-oz. Can of Developer, Two 16-oz. Aerosol Cans of Cleaner, UV Light	Ultraviolet	5	120	Plug In	Straight Blade	3	9	ASTM E1417, SAE AMS2644	MIL-STD-2132, MIL-STD-271	1387T46	000000000

Accessories and Replacements for Flaw-Detecting Dyes

		Each
Cleaner	1383T7	000000	000000
Developer for Fluorescent Green Dye	1387T22	00000	00000
Fluorescent Green Dye	1387T8	00000	00000

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

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

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

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

Battery-Powered Magnetic Particle Flaw Detection Kits

Check for defects slightly beneath the surface of ferrous materials that you wouldn’t otherwise see. The yoke in these kits is powered by a battery, so it uses direct current to create a strong magnetic field that reaches just below the surface of your part. When you apply the powder, the powder will move towards any flaws, helping you identify tears, cracks, and other imperfections.

Ideal for fieldwork, these kits come with everything you need for on-the-go inspections. The yoke lasts up to eight hours on a single battery charge. Built for rugged environments, it has a sealed design that stands up to chemicals and other harsh conditions.

For Use On	Includes	Battery Voltage, V DC	Batteries Included	Battery Charger Included	Specs. Met		Each
Cobalt, Iron, Nickel, Stainless Steel, Steel	One 1-lb. Bottle of Gray Powder	6	Yes	Yes	ASTM E1444	6081N11	000000000

Corner Weld Gauges

Also known as a fillet gauge, this gauge measures concave and convex corner weld dimensions.

	Measures	Material	Includes		Each
MIG, TIG, Stick, Oxyacetylene Welding Process



	1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4", 7/8", 1", 3 mm, 5 mm, 6 mm, 8 mm, 10 mm, 11 mm, 13 mm, 16 mm, 19 mm, 22 mm, 25 mm	Concave Corners, Convex Corners	Steel	Vinyl Carrying Case	7928A11	000000

Flaw Detecting Surface-Preparation Cleaners

Aerosol

Can

Remove oil, grease, and other contaminants that could alter results while inspecting for flaws. Originally made to meet aerospace standards, these cleaners dry fast without leaving a residue.

Container									Each
Type	Net Wt., oz.	Solution Type	Harshness	For Use On	For Removing	Specs. Met	Mil. Spec.		1-11	12-Up







			Sprays

			Aerosol Can	16	Solvent Based	Harsh	Carbide, Ceramic, Cobalt, Iron, Nickel, Stainless Steel, Steel	Dust, Grease, Oil	ASTM E1417	MIL-STD-2132, MIL-STD-271	1383T7	000000	000000

Multicheck Weld Gauges

Check bevel angles, excess weld metal (capping size), length of a corner-weld leg, throat length, and depth of undercut.

		Excess Weld Metal (Capping Size)		Corner-Weld Leg Lg.		Throat Lg.		Dp. of Undercut
	Bevel Angle Measured	Max. Size Measured	Graduation Marks	Max. Lg. Measured	Graduation Marks	Max. Lg. Measured	Graduation Marks	Max. Size Measured	Graduation Marks	Material	Includes		Each
MIG, TIG, Stick, Oxyacetylene Welding Process



		0° to 60°	1", 25 mm	1/16", 1 mm	1", 25 mm	1/16", 1 mm	3/4", 20 mm	1/16", 1 mm	3/16", 5 mm	1/16", 1 mm	Stainless Steel	Vinyl Carrying Case	7871A11	000000

Plug-In Magnetic Particle Flaw Detection Kits

Find faulty seams, welding defects, and other surface-level flaws in ferrous materials. These kits come with everything you need to start inspecting parts. Apply the powder to the surface you want to inspect. Then plug in the yoke and it creates a magnetic field that draws the powder to the imperfection, making it easy to spot. Built for rugged environments, the yoke has a sealed design that stands up to chemicals and other harsh conditions. It’s also half the weight of a standard yoke and fits comfortably in your hand, so there’s less fatigue if you use it for extended periods of time.

		Electrical
For Use On	Includes	Connection	No. of Blades	Voltage, V AC	Specs. Met	Mil. Spec.		Each
Cast Iron, Stainless Steel, Steel	One 1-lb. Bottle of Gray Powder, One 1-lb. Bottle of Red Powder	Straight Blade	3	120	ASTM E1444	MIL-STD-2132, MIL-STD-271	1394T2	0000000

Weld Alignment Gauges

Measure internal misalignment of pipe ID, pipe wall thickness after tack welding, and go/no-go fit-up gap.

	Internal Misalignment of Pipe ID		Pipe Wall Thick. After Tack Welding
	Max. Size Measured	Graduation Marks	Max. Thick. Measured	Graduation Marks	Go/No-Go Fit-Up Gap Size Measured Range	Material		Each
MIG, TIG, Stick, Oxyacetylene Welding Process



		1/16", 30 mm	1/32", 1 mm	1 3/4", 45 mm	1/16", 1 mm	1/16" to 3/32"	Stainless Steel	8970A11	0000000

Plug-In Magnetic Yokes

Find welding defects and other flaws in magnetic materials. These yokes create a magnetic field that draws magnetic powder (not included) to imperfections, making them easy to spot. All operate on AC power, which creates a small magnetic field ideal for detecting flaws along the surface of materials. Powered by standard electrical outlets, these yokes have a reliable and consistent power source.

Attach an LED light to your yoke to brightly illuminate inspection areas. They’re powered by the yoke’s magnetic field, so they don’t require batteries.

Calibrate your yoke before each use with a test weight to ensure accurate test results.

AC/DC Switch—Yokes with an AC/DC switch can also operate on DC power. DC power generates a deeper magnetic field than AC power to find defects underneath surfaces, such as internal tears and cracks.

6 lb.—6-lb. yokes are lightweight and fit comfortably in your hand to reduce fatigue over extended use.

Yokes											Test Weights		LED Light Attachments		Replacement Cords
Voltage, V AC	Features	For Use On	Power Source	Cord Lg., ft.	Ht.	Lg.	Wt., lb.	Specs. Met		Each		Each		Each		Each
120	—	Cobalt, Iron, Nickel, Stainless Steel, Steel	Electric	12	7 1/2"	12"	6	ASTM E1444	7096N12	0000000	7096N14	0000000	7096N13	0000000	7096N15	0000000
120	AC/DC Switch	Cobalt, Iron, Nickel, Stainless Steel, Steel	Electric	12	7 1/2"	12"	8	ASTM E1444	7096N11	00000000	7096N14	000000	———	0	———	0

Torque Sensors

Measure and record manually applied torque. These sensors convert torque into an electrical signal that your computer or programmable logic controller (PLC) can read.

PC Connection Kits—Sensors with a PC connection kit include software that plots and analyzes measurements, so you can track highs, lows, and averages over time. If measurements fall outside a certain range, the software can also set off alarms or send you an email. Export your data to Excel, MATLAB, LabVIEW, and other programs for analysis. Connect to a computer or tablet with the included USB cord.

PLC Connection Kits—Sensors with a PLC connection kit send signals to a PLC to trigger actions in your system, such as checking for proper fastening between joints or connections. They can also trigger robotic arms and other machinery to apply a precise amount of force.

Wireless PC Connection Kits—Sensors with a wireless PC connection kit also have a built-in transmitter that uses Wi-Fi to send signals to a USB receiver plugged into your PC.

			Accuracy					PC Connection Kits		PLC Connection Kits		Wireless PC Connection Kits
Torque Range, N-m	N Torque Measuring Increments, N-m	Torque-Measuring Direction	Counterclockwise	Clockwise	Dia.	Ht.	Sensor Material		Each		Each		Each
0.1 to 6	0.01	Clockwise and Counterclockwise	±1%	±1%	1 1/2"	2"	Aluminum	7570N15	000000000	7570N19	000000000	7570N24	000000000
0.1 to 10	0.01	Clockwise and Counterclockwise	±1%	±1%	1 1/2"	2"	Aluminum	7570N16	00000000	7570N21	00000000	7570N25	00000000
0.1 to 60	0.06	Clockwise and Counterclockwise	±1%	±1%	1 1/2"	2"	Aluminum	7570N17	00000000	7570N22	00000000	7570N26	00000000
0.1 to 150	0.15	Clockwise and Counterclockwise	±1%	±1%	1 1/2"	2"	Aluminum	7570N18	00000000	7570N23	00000000	7570N27	00000000

Accessories for Torque Sensors

Bases

Use base plates to mount these sensors to a flat surface for testing.

For Torque Range, N-m	Dia.	Bolt Circle Dia.	Material	Mounting Fasteners Included		Each
0.1 to 6 0.1 to 10	3 15/16"	3"	Stainless Steel	Yes	7570N29	0000000
0.1 to 60 0.1 to 150	3 15/16"	3"	Stainless Steel	Yes	7570N28	000000

Adapters

Female

Male

Drive adapters let you connect these sensors to the drive of a torque wrench.

	For Torque Range, N-m	Dia.	Ht.		Each
Female



	3/8"	0.1 to 6 0.1 to 10	1 1/2"	7/8"	7570N34	0000000


	1/2"	0.1 to 60 0.1 to 150	1 1/2"	7/8"	7570N33	000000


	Male



			3/8"	0.1 to 6 0.1 to 10	1 1/2"	1"	7570N32	000000


			1/2"	0.1 to 60 0.1 to 150	1 1/2"	1"	7570N31	000000