20 Chain | McMaster-Carr

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	Chain Style Chain Style

Jack

Bead

	System of Measurement System of Measurement

Inch

	Thickness Thickness

0.03"

	Length Length

	Material Material

Steel

Brass

Aluminum

	Finish Finish

Unfinished

Nickel Plated

Brass Plated

	Trade Size Trade Size	Show

	Trade Size Trade Size	Hide

5/64
7/64
1/8
3/16
7/32
1/4
17/64
9/32
5/16
3/8
1/2
5/8
3/4
1
5/0
8/0
7/0
2/0
3/0
1/0
4/0
6/0
9/0
2
3
4
5
6
8
10
12
13
14
16
18
20
25
30
35
40
45
50
60
65

	Inside Length Inside Length

0.30"

	Capacity Capacity

Less than 1,000 lbs.

Not Rated

	Application Application

Not for Lifting

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

RoHS Compliant

	For Use Outdoors For Use Outdoors

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

DFARS Specialty Metals
COTS-Exempt

	Bead Diameter Bead Diameter

3/8"

	Grade Grade

Not Rated

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

REACH Compliant

	Tensile Strength Tensile Strength

100 to 149 lbs.

150 lbs. or greater

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9 Products

Jack Chain—Not for Lifting

The links are formed into a figure eight then twisted into a 90° angle for a lightweight chain suitable for hanging applications. Nickel-plated steel, brass-plated steel, and brass chain have excellent corrosion resistance.

For a comparison of chain sizes, view our sizing guide.

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

Nickel-Plated Steel
Trade Size	Thick.	Inside Lg.	Cap., lbs.	For Use Outdoors	Lengths, ft.		Per Ft.
20	0.03"	0.30"	3	No	25, 50, 100	0000000	00000
Brass-Plated Steel
20	0.03"	0.30"	3	No	25, 50, 100	0000000	0000
Unfinished Brass
20	0.03"	0.30"	2	No	25, 50, 100, 200	00000000	0000

Bead Chain—Not for Lifting

Chain

Splicing Links

Screw-Mount Links

Also known as ball chain, use this chain to keep tools with machines, keys with chucks, and gas and dust caps with tanks. Use bead chain links (sold separately) to connect or mount chain.

Nickel-plated steel, aluminum, and brass chain have excellent corrosion resistance.

For a comparison of chain sizes, view our sizing guide.

Chain						Screw-Mount Links			Splicing Links
Trade Size	Bead Dia.	Tensile Strength, lbs.	Lengths, ft.		Per Ft.	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
Nickel-Plated Steel
20	3/8"	170	10, 25, 50, 100	00000000	00000	10	00000000	00000	10	00000000	00000
Nickel-Plated Brass
20	3/8"	150	5, 10, 25, 50, 100	00000000	0000	10	00000000	0000	10	00000000	0000
Unfinished Aluminum
20	3/8"	120	5, 10, 25, 50, 100	00000000	0000	10	00000000	0000	10	00000000	0000