ECT 44 Shipping Boxes | McMaster-Carr

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250 lb.

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33 Products

Heavy Duty Cardboard Shipping Boxes

These heavy duty boxes are stronger than standard boxes. They meet ECT 44 (44 lbs. per inch), which is comparable to a 250-lb. burst strength. Edge Crush Test (ECT) standards measure the amount of force a carton can withstand before the edges collapse. Shipped flat.

For box sealing tape and sealing tape dispensers, see Shipping Tape and Tape Dispensers.

Inside
Lg.	Wd.	Ht.	Thk.	Color	Material	Construction	Max. Burst Strength, lb.	Corrugated Box Strength Rating	Pkg. Qty.		Pkg.



	6"	6"	6"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	000000


	8"	6"	4"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	8"	6"	6"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	8"	8"	8"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	9"	9"	9"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	0000
	10"	10"	10"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	12"	6"	6"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	5	00000000	00000
	12"	10"	4"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	0000
	12"	10"	6"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	5	00000000	00000
	12"	10"	8"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	0000
	12"	12"	6"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000


	12"	12"	12"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	14"	12"	10"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	0000
	14"	14"	14"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	16"	12"	10"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	16"	16"	16"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	18"	12"	12"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	18"	18"	12"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	18"	18"	18"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	20"	16"	14"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	20"	20"	12"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	00000


	20"	20"	20"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	24"	12"	12"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	24"	18"	12"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	24"	18"	18"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	00000
	24"	24"	16"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	24"	24"	24"	0.1875"	Brown	Cardboard	Corrugated	250	44 ECT	5	00000000	00000
	36"	5"	42"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	00000
	36"	5"	48"	0.1875"	Brown	Cardboard	Corrugated	Not Rated	44 ECT	1	00000000	00000

Pop-Up Cardboard Shipping Boxes

Quickly assemble these boxes without the need for staples or tape. When you push in the corners, these boxes pop open and the bottom flaps automatically fold down.

Maximum burst strength measures the amount of force a box can withstand before the sides rupture. Edge Crush Test (ECT) standards measure the amount of force a box can withstand before the edges collapse. These boxes meet ECT 44, which is comparable to a 250 lb. burst strength.

Inside
Lg.	Wd.	Ht.	Thk.	Color	Material	Construction	Max. Burst Strength, lb.	Corrugated Box Strength Rating		Each



	9"	9"	5 1/4"	0.125"	Brown	Cardboard	Corrugated	250	44 ECT	0000000	00000


	12 1/4"	12 1/4"	5"	0.125"	Brown	Cardboard	Corrugated	250	44 ECT	0000000	0000
	13"	8"	5"	0.125"	Brown	Cardboard	Corrugated	250	44 ECT	0000000	00000
	15"	12"	8"	0.125"	Brown	Cardboard	Corrugated	250	44 ECT	0000000	00000