1/4" Thick Lead | McMaster-Carr

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Thickness

Width

Length

Shape

Weight

Appearance

DFARS Specialty Metals

Exempt

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Fabrication

Material

Military Specification

Fed. Spec. QQ-L-171 Grade C

Fed. Spec. QQ-L-201

Minimum Temperature

Not Rated

Maximum Temperature

Not Rated

Export Control Classification Number (ECCN)

REACH

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Heat Treatment

Specifications Met

10 Products

Lead Sheets and Bars

This material has a minimum of 99.5% pure lead content. Applications for lead include radiation shields, sound barriers, and vibration dampers.

Sheets

	Thk. Tolerance	Fabrication	Heat Treatment	Mil. Spec.		Each
4" × 36"



	1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K286	0000000


	6" × 6"



			1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K276	00000


			12" × 12"



					1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K116	000000


					12" × 24"



							1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K125	000000


							12" × 36"



									1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K134	000000


									12" × 48"



											1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K143	000000


											24" × 24"



													1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K152	000000


													24" × 36"



															1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K161	000000


															36" × 36"



																	1/4"	-0.012" to 0.012"	Cold Worked	Hardened	Fed. Spec. QQ-L-201	9032K187	00000000

Lead Discs

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

Thk.	Thk. Tolerance	OD	OD Tolerance	ID	ID Tolerance	Wt., oz.	Specs. Met	Mil. Spec.		Each
1/4"	-0.01" to 0.01"	2 3/4"	-0.015" to 0.015"	13/32"	-0.008" to 0.008"	10	ASTM B29, ASTM B749	Fed. Spec. QQ-L-171 Grade C	90385K102	000000