System 7, Transport Chain (Grade 70)

Uses: Designed for use in load binding, towing, logging and many applications requiring higher strength-to-weight ratios than System 4. System 7 meets stringent Department of Transportation regulations with smaller chain that is lighter in weight and easier to handle. Do not use for overhead lifting. Minimum elongation 15% proof tested.

Standard Material: Special high-strength, heat treated steel.

Standard Finish: Plated (Yellow Chromate). All sizes are hallmarked. Hallmark: MT and C7.

Packaging: Drums and half drums (order unit is "feet"); pails (order unit is "each")

Note: Cannot be cut with ordinary chain cutter. Use Torch Of Abrasive cut-off-wheel.

Drums

Trade Size Inches Material Diameter Inside Length, Inches Inside Width, Inches Catalog Number Feet Per Drum Pounds Per 100 Feet Links Per Foot Working Load Limit* Lbs.
1/4" .276 .86 .45 051-0412 800 72 14 3,150
5/16" .343 1.01 .48 051-0512 550 111 9 1/2 4,700
3/8" .394 1.36 .57 051-0612 400 142 9 6,600
7/16" .468 1.29 .67 051-0712 300 212 9 1/3 8,750
1/2" .512 1.70 .75 051-0812 200 238 7 11,300
*Warning: Do not exceed Working Load Limit.

Half-Drums

Trade Size Inches Catalog Number Feet Per Half Drum Pounds Per 100 Feet Working Load Limit* Lbs.
1/4" 051-0410 400 72 3,150
5/16" 051-0510 275 111 4,700
3/8" 051-0610 200 142 6,600
7/16" 051-0710 150 212 8,750
1/2" 051-0810 100 238 11,300

Pails

Trade Size Inches Catalog Number Feet Per Pail Pounds Per Pail Working Load Limit*
Lbs.
1/4" 051-0413 150 111 3,150
5/16" 051-0513 100 114 4,700
3/8" 051-0613 75 110 6,600

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