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Chain Grade
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DFARS Specialty Metals
Heavy Duty Chain
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Bind, tie down, and tow loads with this chain. This chain is graded based on weight capacity, so you'll always know exactly how much it can handle. Look for the manufacturer's stamp on each link to confirm the grade.
When using fittings with chain, match the trade size and meet or exceed the chain’s grade to avoid chain damage or failure.
Warning: Not for overhead lifting.
Grade 70 Chain—Secure vehicles, machinery, and other loads on trailers and trucks for safe transportation. It's approximately 20% stronger than Grade 43 chain and 60% stronger than Grade 30 chain. Also known as transport chain, it meets D.O.T. standards for load securement.
Zinc-Yellow-Chromate-Plated Steel—Won't scratch or wear away as fast as clear zinc plating and resists occasional moisture. The distinctive golden color confirms this chain is compliant with Department of Transportation (DOT) regulations.
Inside | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Straight-Link Chain Trade Size | Metric Chain Trade Size | Thk. | Wd. | Lg. | Wt. Cap., lb. | For Fitting Thk. | Max. Temp., ° F | Choose a Length, ft. | Per Ft. | |||
Grade 70 Chain | ||||||||||||
Zinc-Yellow-Chromate-Plated Steel | ||||||||||||
| 1/4" | 7 | 0.27" | 0.46" | 1.24" | 3,100 | 7/16" | 400 | 1, 2, 3, 4, 5, 10, 25, 50 | 3363T91 | 00000 | ||
| 5/16" | 8 | 0.32" | 0.49" | 1.15" | 4,700 | 7/16" | 400 | 1, 2, 3, 4, 5, 10, 25, 50 | 3363T92 | 0000 | ||
| 3/8" | 10 | 0.38" | 0.60" | 1.30" | 6,600 | 9/16" | 400 | 1, 2, 3, 4, 5, 10, 25, 50 | 3363T93 | 0000 | ||
| 1/2" | 13 | 0.50" | 0.81" | 1.56" | 11,300 | 3/4" | 400 | 1, 2, 3, 4, 5, 10, 25, 50 | 3363T95 | 00000 | ||
Transport Chain Assemblies with Fittings on Both Ends
Made in the U.S.
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Chain that is made in the U.S. is forged and tempered for strength and durability.
Inside | 14 ft. Long | 20 ft. Long | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Straight-Link Chain Trade Size | Metric Chain Trade Size | Thk. | Wd. | Lg. | Work Load Limit, lb. | Wt. per ft., lb. | Hook Opening Wd. | Fitting Type | Specs. Met | Each | Each | ||||
Zinc-Plated Steel—Grade 70 Chain | |||||||||||||||
| 5/16" | 8 | 0.33" | 0.48" | 1.12" | 4,700 | 1.2 | 7/16" | Grab Hook | D.O.T. Compliant 49 CFR 393.102 | 3362T61 | 000000 | 3362T73 | 0000000 | ||
| 3/8" | 10 | 0.39" | 0.55" | 1.37" | 6,600 | 1.6 | 1/2" | Grab Hook | D.O.T. Compliant 49 CFR 393.102 | ——— | 0 | 3362T76 | 000000 | ||
| 3/8" | 10 | 0.39" | 0.55" | 1.37" | 6,600 | 1.8 | 1/2" | Grab Hook | D.O.T. Compliant 49 CFR 393.102 | 3362T63 | 000000 | ——— | 0 | ||
| 1/2" | 13 | 0.51" | 0.75" | 1.78" | 11,300 | 2.7 | 5/8" | Grab Hook | D.O.T. Compliant 49 CFR 393.102 | ——— | 0 | 3362T43 | 000000 | ||
Removable Figure-Eight Chain Connecting Links—Not for Lifting
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For Straight-Link Chain Trade Size | Thk. | Inside Lg. | Inside Wd. | Wt. Cap., lb. | Fabrication | Each | |||
|---|---|---|---|---|---|---|---|---|---|
For Grade 70 Chain | |||||||||
Zinc-Plated Steel | |||||||||
| 1/4" | 3/8" | 1 13/16" | 19/32" | 3,100 | Forged | 7072N11 | 00000 | ||
| 5/16" | 13/32" | 2 1/4" | 5/8" | 4,700 | Forged | 7072N12 | 00000 | ||
| 3/8" | 1/2" | 2 21/32" | 7/8" | 6,600 | Forged | 7072N13 | 00000 | ||
| 1/2" | 5/8" | 3 13/32" | 1" | 11,300 | Forged | 7072N14 | 00000 | ||
| 5/8" | 3/4" | 4 3/32" | 1 11/32" | 15,800 | Forged | 7072N15 | 00000 | ||
Grab Hooks with Clevis—Not for Lifting
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Often used in binding and tie-down applications, these hooks have a narrow opening to securely hold a single link of chain.
For Grade 70 Chain—Hooks for Grade 70 chain meet D.O.T. requirements and are often used with transport chain to secure loads.
Zinc-Plated Alloy Steel—Zinc-plated alloy steel hooks are mildly corrosion resistant and are stronger than stainless steel hooks.
Hook | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Straight-Link Chain Trade Size | Wt. Cap., lb. | Safety Factor | Opening Wd. | Usable Lg. | Pin Dia. | Clevis Inside Wd. | Fabrication | Max. Temp., ° F | Specs. Met | Each | |||
For Grade 70 Chain | |||||||||||||
Zinc-Plated Alloy Steel | |||||||||||||
| 1/4" | 3,150 | 4:1 | 3/8" | 1 15/16" | 7/16" | 11/32" | Forged | 400 | D.O.T. Compliant 49 CFR 393.102 | 3536T61 | 00000 | ||
| 5/16" | 4,700 | 4:1 | 7/16" | 2 5/16" | 1/2" | 3/8" | Forged | 400 | D.O.T. Compliant 49 CFR 393.102 | 3536T62 | 0000 | ||
| 3/8" | 6,600 | 4:1 | 1/2" | 2 5/8" | 1/2" | 7/16" | Forged | 400 | D.O.T. Compliant 49 CFR 393.102 | 3536T63 | 00000 | ||
| 1/2" | 11,300 | 4:1 | 19/32" | 3 1/4" | 11/16" | 3/4" | Forged | 400 | D.O.T. Compliant 49 CFR 393.102 | 3536T64 | 00000 | ||
Eye Hooks—Not for Lifting
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Attach chain to the eye end of these hooks. Often used with transport chain to secure loads, these hooks are for Grade 70 chain, the highest non-lifting grade we offer. They have a spring latch to ensure rope, chain, and fittings won't detach from the hook when the load slackens. Made of powder-coated steel, they resist some corrosion.
Hooks | Latches | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hook | Eye | ||||||||||||||
For Straight-Link Chain Trade Size | Wt. Cap., lb. | Safety Factor | Opening Wd. | Usable Lg. | ID | Thk. | Fabrication | Latch Type | Max. Temp., ° F | Each | Each | ||||
For Grade 70 Chain | |||||||||||||||
Orange Powder-Coated Alloy Steel | |||||||||||||||
| 1/4" | 3,150 | 4:1 | 27/32" | 2 9/16" | 1/2" | 9/16" | Forged | Spring | 400 | 4089N11 | 000000 | 4089N201 | 000000 | ||
| 5/16" | 4,700 | 4:1 | 1" | 3" | 5/8" | 3/4" | Forged | Spring | 400 | 4089N12 | 00000 | 4089N202 | 00000 | ||
| 3/8" | 6,600 | 4:1 | 1 5/32" | 3 5/16" | 3/4" | 3/4" | Forged | Spring | 400 | 4089N13 | 00000 | 4089N203 | 00000 | ||
