BBB Chain | McMaster-Carr

	Trade Size Trade Size

	Length Length

	Thickness Thickness

	Capacity Capacity

Less than 2,000 lbs.

2,000 to 3,999 lbs.

4,000 to 5,999 lbs.

6,000 lbs. or greater

	Inside Width Inside Width

	Inside Length Inside Length

	Approximate Number of Links per Foot Approximate Number of Links per Foot

	Chain Grade Chain Grade

	For Fitting Thickness For Fitting Thickness

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Specifications Met Specifications Met

ASTM

NACM Welded Steel Chain
Specifications

	Weight per Foot Weight per Foot

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

REACH Compliant

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16 Products

Grade 30 Chain—Not for Lifting

Use this strong chain for binding loads, tie downs, and towing applications. It is stamped with the grade and manufacturer. When using fittings with chain, you must match the trade size and meet or exceed the chain’s grade. Galvanized steel chain has excellent corrosion resistance.

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

			Inside
Straight-Link Chain Trade Size	Metric Trade Size	Thick.	Wd.	Lg.	Cap., lbs.	Wt. per ft., lbs.	Approximate No. of Links per ft.	For Fitting Thick.	Max. Temp., ° F	For Use Outdoors	Lengths, ft.		Per Ft.
Galvanized Steel
1/8	4	0.16"	0.27"	0.90"	400	0.3	13	1/4"	400º	Yes	5, 10, 25, 50, 100, 200, 300	0000000	00000
3/16	5.5	0.21"	0.39"	0.95"	800	0.4	12	3/8"	400º	Yes	5, 10, 25, 50, 100, 200, 300	0000000	0000
1/4	7	0.26"	0.46"	1.24"	1,300	0.6	9	7/16"	400º	Yes	5, 10, 25, 50, 100, 200, 300	0000000	0000
5/16	8	0.31"	0.49"	1.30"	1,900	0.8	9	7/16"	400º	Yes	5, 10, 25, 50, 100, 200, 300	0000000	0000
3/8	10	0.37"	0.60"	1.45"	2,600	1.2	8	9/16"	400º	Yes	5, 10, 25, 50, 100, 200, 300	0000000	0000
1/2	13	0.52"	0.81"	1.56"	4,500	2.7	7	3/4"	400º	Yes	5, 10, 25, 50, 100, 200	0000000	00000
5/8	16	0.63"	1.00"	1.87"	6,900	4	6	15/16"	400º	Yes	5, 10, 25, 50, 100	0000000	00000

High-Strength Grade 43 Chain—Not for Lifting

This chain is approximately 50% stronger than Grade 30 chain. Use it for binding loads, tie downs, and towing applications. It is stamped with the grade and manufacturer. When using fittings with chain, you must match the trade size and meet or exceed the chain’s grade. Galvanized steel chain has excellent corrosion resistance.

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

			Inside
Straight-Link Chain Trade Size	Metric Trade Size	Thick.	Wd.	Lg.	Cap., lbs.	Wt. per ft., lbs.	Approximate No. of Links per ft.	For Fitting Thick.	Max. Temp., ° F	For Use Outdoors	Lengths, ft.		Per Ft.
Galvanized Steel
1/4	7	0.27"	0.50"	1.02"	2,600	0.7	11	7/16"	400°	Yes	1, 2, 3, 4, 5, 10, 25, 50	0000000	00000
5/16	8	0.32"	0.49"	1.15"	3,900	1	10	7/16"	400°	Yes	1, 2, 3, 4, 5, 10, 25, 50	0000000	0000
3/8	10	0.39"	0.60"	1.30"	5,400	1.4	9	9/16"	400°	Yes	1, 2, 3, 4, 5, 10, 25, 50	0000000	0000
1/2	13	0.52"	0.81"	1.56"	9,200	2.7	7	3/4"	400°	Yes	1, 2, 3, 4, 5, 10, 25, 50	0000000	00000
5/8	16	0.63"	1.00"	1.87"	13,000	4	6	15/16"	400°	Yes	1, 2, 3, 4, 5, 10, 25, 50	0000000	00000

Tangle-Resistant Grade 30 Chain—Not for Lifting

This is the strongest tangle-resistant chain we offer. Shorter links make it easier to coil and less likely to knot. It is heat treated and stamped with the grade and manufacturer. When using fittings with chain, you must match the trade size and meet or exceed the chain’s grade.

Galvanized steel chain has excellent corrosion resistance.

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

			Inside
Straight-Link Chain Trade Size	Metric Trade Size	Thick.	Wd.	Lg.	Cap., lbs.	Wt. per ft., lbs.	Approximate No. of Links per ft.	For Fitting Thick.	Max. Temp., ° F	For Use Outdoors	Lengths, ft.		Per Ft.
Galvanized Steel
1/4	7	0.27"	0.43"	0.87"	1,300	0.8	13	3/8"	400°	Yes	5, 10, 25, 50, 100, 200	0000000	00000
5/16	8	0.34"	0.49"	0.99"	1,900	1.2	11	7/16"	400°	Yes	5, 10, 25, 50, 100, 200	0000000	0000
3/8	10	0.39"	0.62"	1.09"	2,600	1.6	10	9/16"	400°	Yes	5, 10, 25, 50, 100, 200	0000000	00000
1/2	13	0.51"	0.75"	1.33"	4,500	2.8	9	11/16"	400°	Yes	5, 10, 25, 50, 100, 200	0000000	00000