Rod and Disc Weights | McMaster-Carr

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Round	Rod and Disc

Square	Sheet and Bar

Ribbed Sheet	Ball

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	Weight Weight

	OD OD

	ID ID

25/64"

13/32"

41/64"

	Material Material

Lead

	Thickness Thickness

1/2"

	Diameter Diameter

5/16"

	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

	Temper Rating Temper Rating

Not Rated

	Maximum Temperature Maximum Temperature

Not Rated

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

DFARS Specialty Metals
COTS-Exempt

	Fabrication Fabrication

Cast

	Specifications Met Specifications Met

ASTM

Fed. Spec.

	Length Length

12"

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13 Products

Lead Discs

This material has a minimum of 98% pure lead content. Use these cast-lead discs as spacers, washers, and counterbalances.

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

Thick.	Thick. Tolerance	OD	OD Tolerance	ID	ID Tolerance	Weight, lbs.	Specifications Met		Each
1/2"	-0.01" to 0.01"	2 3/4"	-0.015" to 0.015"	13/32"	-0.008" to 0.008"	1 1/4	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1/2"	-0.01" to 0.01"	4 1/2"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	3 1/4	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	00000
1/2"	-0.01" to 0.01"	6"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	5 3/4	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1/2"	-0.01" to 0.01"	8 1/2"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	11 1/2	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	4 1/2"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	6 1/2	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	6"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	11 1/2	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	8 1/2"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	23	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	10 3/4"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	37	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	13"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	54	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
2"	-0.01" to 0.01"	4 1/2"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	13	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
2"	-0.01" to 0.01"	6"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	23	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
2"	-0.01" to 0.01"	8 1/2"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	46	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000

Vinyl-Coated Lead Rods

The vinyl coating prevents lead from leaving marks on surfaces. This material has a minimum of 95% pure lead content.

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

Dia.	Dia. Tolerance	Lg.	Lg. Tolerance	Finish	Finish Color		Each
5/16"	-0.02" to 0.02"	12"	-0.04" to 0.04"	Vinyl Coated	Red	000000	000000