Brake Pads | McMaster-Carr

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Thickness

Width

Length

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Friction Rating

Performance

Maximum Coefficient of Friction

Maximum Rubbing Speed @ Pressure

Maximum Temperature

Maximum Pressure

RoHS

REACH

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Material

Measuring Increments

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Distance Measured

Measures

Overall Length

153 Products

High-Strength Brake and Clutch Friction Lining

Also known as semimetallic woven strips and friction material, these strips have a brass wire woven into the material to increase strength and improve heat dissipation. They can be riveted or bonded. They do not contain asbestos.

	Wd.	Max. Rubbing Speed @ Pressure	Max. Coeff. of Friction	Max. Temp., ° F	Max. Pressure, psi		1 ft. Long	2 ft. Long	3 ft. Long	4 ft. Long	5 ft. Long	6 ft. Long	10 ft. Long	15 ft. Long	20 ft. Long	25 ft. Long
Woven



	3/16"	1"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	000000	000000	000000	000000	000000	000000	000000	0000000	0000000


	3/16"	1 1/4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	00000	000000	000000
	3/16"	1 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	000000	000000	000000
	3/16"	1 3/4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	000000	000000	000000
	3/16"	2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	000000	000000	000000
	3/16"	2 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	3/16"	3"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	1/4"	1"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	00000	000000	000000
	1/4"	1 1/4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	000000	000000	000000
	1/4"	1 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	0000	00000	00000	00000	00000	00000	00000	000000	000000	000000
	1/4"	1 3/4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000


	1/4"	2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	1/4"	2 1/4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	1/4"	2 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	1/4"	2 3/4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	1/4"	3"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	000000	000000	000000	000000	000000
	1/4"	3 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	000000	000000	000000	000000	000000
	1/4"	4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	000000	000000	000000	000000	000000	000000
	1/4"	5"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	000000	000000	000000	000000	000000	000000	000000
	5/16"	2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
	5/16"	3"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	000000	000000	000000	000000	000000	000000


	3/8"	2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	00000	00000	000000	000000	000000	000000	000000
	3/8"	3"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	000000	000000	000000	000000	000000	000000	000000
	3/8"	3 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	000000	000000	000000	000000	000000	000000	000000
	3/8"	4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	000000	000000	000000	000000	000000	000000	000000
	3/8"	5 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	000000	000000	000000	000000	000000	000000	000000	00000000
	1/2"	2 1/2"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	00000	000000	000000	000000	000000	000000	000000	000000
	1/2"	3"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	000000	000000	000000	000000	000000	000000	000000	000000
	1/2"	4"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	00000	000000	000000	000000	000000	000000	000000	000000	00000000
	1/2"	5"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	000000	000000	000000	000000	000000	000000	000000	00000000	00000000
	1/2"	6"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	000000	000000	000000	000000	000000	000000	000000	00000000	00000000


	1/2"	8"	5,000 fpm @ 200 psi	0.51	500	200	00000000	00000	000000	000000	000000	000000	000000	000000	00000000	00000000	00000000

Metal-Free Brake and Clutch Friction Lining

Also known as nonmetallic molded strips and friction material, these can be riveted or bonded. They do not contain asbestos.

	Wd.	Max. Rubbing Speed @ Pressure	Max. Coeff. of Friction	Max. Temp., ° F	Max. Pressure, psi		1 ft. Long	2 ft. Long	3 ft. Long	4 ft. Long	5 ft. Long	6 ft. Long	10 ft. Long	15 ft. Long
Molded



	3/16"	1"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	000000	000000	000000	000000	000000	000000


	3/16"	1 1/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	0000	00000	00000	00000	00000	00000	00000
	3/16"	1 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	00000
	3/16"	1 3/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	00000
	3/16"	2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	00000
	3/16"	2 1/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	3/16"	2 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	3/16"	2 3/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	3/16"	3"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	3/16"	4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	3/16"	5"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000


	3/16"	6"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	1/4"	1"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	0000	00000	00000	00000	00000	00000	00000
	1/4"	1 1/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	00000
	1/4"	1 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	00000
	1/4"	1 3/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	00000
	1/4"	2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	1/4"	2 1/4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	1/4"	2 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	1/4"	3"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	1/4"	3 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000


	1/4"	4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	1/4"	5"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	000000	000000	000000
	1/4"	6"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	000000	000000	000000
	5/16"	2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	0000	00000	00000	00000	00000	00000	00000	000000
	5/16"	2 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	5/16"	3"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	5/16"	4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	000000	000000	000000
	3/8"	2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	3/8"	2 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000
	3/8"	3"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	00000	000000	000000


	3/8"	3 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	000000	000000	000000
	3/8"	4"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	00000	000000	000000	000000
	3/8"	4 1/2"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	000000	000000	000000	000000
	3/8"	5"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	00000	000000	000000	000000	000000
	3/8"	6"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	000000	000000	000000	000000	000000
	3/8"	7"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	00000	000000	000000	000000	000000	000000
	3/8"	8"	4,000 fpm @ 250 psi	0.47	480	250	00000000	00000	00000	000000	000000	000000	000000	000000	000000

High-Friction Brake and Clutch Friction Lining

With a high maximum coefficient of friction, these sheets provide immediate engagement. Also known as friction material, they can be riveted or bonded. They do not contain asbestos.

						7 1/2" × 7 1/2"		15" × 15"		30" × 30"
	Thk.	Max. Rubbing Speed @ Pressure	Max. Coeff. of Friction	Max. Temp., ° F	Max. Pressure, psi		Each		Each		Each
Molded



		1/8"	5,000 fpm @ 500 psi	0.55	550	500	00000000	000000	00000000	000000	00000000	0000000


		3/16"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	00000	00000000	000000
		1/4"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	00000	00000000	000000
		5/16"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	00000	00000000	000000
		3/8"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	000000	00000000	000000
		1/2"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	000000	00000000	000000
		5/8"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	000000	00000000	000000
		3/4"	5,000 fpm @ 500 psi	0.55	550	500	00000000	00000	00000000	000000	00000000	000000

Medium-Friction Brake and Clutch Friction Lining

These sheets provide stable torque at high and low speeds. Also known as friction material, they can be riveted or bonded. They do not contain asbestos.

						7 1/2" × 7 1/2"		15" × 15"		30" × 30"
	Thk.	Max. Rubbing Speed @ Pressure	Max. Coeff. of Friction	Max. Temp., ° F	Max. Pressure, psi		Each		Each		Each
Molded



		1/8"	5,000 fpm @ 500 psi	0.35	550	500	0000000	000000	0000000	000000	0000000	0000000


		3/16"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	00000	0000000	000000
		1/4"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	00000	0000000	000000
		5/16"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	00000	0000000	000000
		3/8"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	00000	0000000	000000
		1/2"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	000000	0000000	000000
		5/8"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	000000	0000000	000000
		3/4"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	000000	0000000	000000
		1"	5,000 fpm @ 500 psi	0.35	550	500	0000000	00000	0000000	000000	0000000	000000

Low-Friction Brake and Clutch Friction Lining

Use these sheets for a smooth stop. Also known as friction material, they can be riveted or bonded. They do not contain asbestos.

						7 1/2" × 7 1/2"		15" × 15"		30" × 30"
	Thk.	Max. Rubbing Speed @ Pressure	Max. Coeff. of Friction	Max. Temp., ° F	Max. Pressure, psi		Each		Each		Each
Molded



		1/8"	4,500 fpm @ 600 psi	0.14	600	600	0000000	000000	0000000	000000	0000000	0000000


		3/16"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	00000	0000000	000000
		1/4"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	00000	0000000	000000
		5/16"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	00000	0000000	000000
		3/8"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	00000	0000000	000000
		1/2"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	00000	0000000	000000
		5/8"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	00000	0000000	000000
		3/4"	4,500 fpm @ 600 psi	0.14	600	600	0000000	00000	0000000	000000	0000000	000000

Calipers for Brakes

Style A

Style B

Check the wear on disc brakes and pads to see if you need to replace them. The jaws are deep and point inward, so they reach around the raised edges on brakes to accurately measure their thickness.

With an LCD display, these calipers give instant measurements—no need to count graduations. Swap between inch and metric or set the position to zero, all with the press of a button.

With SPC Data Output—Send measurements to a computer to store, analyze, and manage data. You'll need a USB data cable or SPC wireless transmitter and receiver.

With SPC Data Output and Zigbee Connection—Wirelessly send measurements to an SPC receiver (sold separately) to store, analyze, and manage data on your computer.

Style B—These calipers have an extra set of jaws to take inside measurements.

	Measuring Range		Accuracy		Measuring Increments					Calipers
Style	Inch	Metric, mm	Inch	Metric	Inch	Metric, mm	Overall Lg.	Body Material	Jaw Material		Each







			With SPC Data Output

			A	0" to 5"	0 to 125	±0.002"	±0.05 mm	0.0005"	0.01	8 7/8"	Stainless Steel	Stainless Steel	0000000	0000000


			B	0" to 6"	0 to 150	±0.003"	±0.07 mm	0.0005"	0.01	9 3/4"	Stainless Steel	Stainless Steel	0000000	000000




					With SPC Data Output and Zigbee Connection

					A	0" to 5"	0 to 125	±0.002"	±0.05 mm	0.0005"	0.01	8 7/8"	Stainless Steel	Stainless Steel	0000000	000000


					B	0" to 6"	0 to 150	±0.003"	±0.07 mm	0.0005"	0.01	9 3/4"	Stainless Steel	Stainless Steel	0000000	000000

Accessories and Replacements for Calipers

	Connection	Lg., ft.


Micro USB-B × USB-A	9 1/2	0000000	0000000

Electrical Connection		Each
Micro USB-B	0000000	0000000

SPC Wireless Receivers

Wirelessly send measurements from calipers with SPC data output to your computer. If the caliper doesn't have a Zigbee connection, you'll also need a transmitter.

	Each



USB-A	0000000	0000000

			Pkg.
	Pkg. Qty.		1-9	10-49	50-Up
Replacement CR2032 Lithium Battery	1	0000000	00000	00000	00000