Brake Blocks | McMaster-Carr

	Thickness Thickness

	Width Width

	Length Length

	Construction Construction

Woven

Molded

	Maximum Coefficient of Friction Maximum Coefficient of Friction

	Maximum Rubbing Speed Maximum Rubbing Speed

	Maximum Pressure Maximum Pressure

	Maximum Temperature Maximum Temperature

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

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145 Products

High-Strength Brake and Clutch 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.

For technical drawings and 3-D models, click on a part number.

Woven
Thick.	Wd.	Max. Rubbing Speed	Max. Coefficient of Friction	Max. Temp., °F	Max. Pressure, psi		1 ft.	2 ft.	3 ft.	4 ft.	5 ft.	6 ft.	10 ft.	15 ft.	20 ft.	25 ft.
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	0000	00000	00000	00000	00000	00000	00000	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	00000	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	00000	000000	000000	000000	000000	000000
3/8"	2"	5,000 fpm @ 200 psi	0.51	500°	200	00000000	00000	00000	00000	00000	00000	00000	000000	000000	000000	000000
3/8"	3"	5,000 fpm @ 200 psi	0.51	500°	200	00000000	00000	00000	00000	00000	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	000000
1/2"	5"	5,000 fpm @ 200 psi	0.51	500°	200	00000000	00000	00000	000000	000000	000000	000000	000000	000000	000000	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 Lining

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

For technical drawings and 3-D models, click on a part number.

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

Low-Friction Brake and Clutch Lining

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

For technical drawings and 3-D models, click on a part number.

					7 1/2"×7 1/2"		15"×15"		30"×30"
Thick.	Max. Rubbing Speed	Max. Coefficient 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	000000	0000000	000000
5/8"	4,500 fpm @ 600 psi	0.14	600°	600	0000000	00000	0000000	000000	0000000	000000
3/4"	4,500 fpm @ 600 psi	0.14	600°	600	0000000	00000	0000000	000000	0000000	000000

High-Friction Brake and Clutch 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.

For technical drawings and 3-D models, click on a part number.

7 1/2" × 7 1/2"
Thick.	Max. Rubbing Speed	Max. Coefficient of Friction	Max. Temp., °F	Max. Pressure, psi		Each
Molded
1/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
3/16"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
1/4"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
5/16"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
3/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
1/2"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
5/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
3/4"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
15" × 15"
Molded
1/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
3/16"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
1/4"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
5/16"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	00000
3/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
1/2"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
5/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
3/4"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
30" × 30"
Molded
1/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
3/16"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
1/4"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
5/16"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
3/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
1/2"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
5/8"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000
3/4"	5,000 fpm @ 500 psi	0.55	550°	500	00000000	000000

Medium-Friction Brake and Clutch 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.

For technical drawings and 3-D models, click on a part number.

					7 1/2" × 7 1/2"		15" × 15"		30" × 30"
Thick.	Max. Rubbing Speed	Max. Coefficient 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