20 x 20 x 20" 500 lb Double Wall Corrugated Boxes

Crate-like protection at a corrugated price.
  • Twice as strong as a 275 lb. test double wall box.
  • Ship machine parts, small engines and other heavy-duty items.
  • UPS recommended weight capacity up to 140 lbs.

    Double Wall Box: 5/16 in. Thick
500 LB. TEST DOUBLE WALL
SOLD IN BUNDLE QUANTITIES
MODEL
NO.		 INSIDE DIMENSIONS
L x W x H		 PRICE PER BOX BUNDLE/
BALE QTY.		 WT./
BNDL.		 IN STOCK
SHIPS TODAY
10 100 250 500 1,000+
S-18918 20 x 20 x 20" $20.51 $19.26 $18.14 $17.02 $15.92 10 / 70 71 lbs.  ADD
SHIPS VIA MOTOR FREIGHT
DIMENSIONS:
  • Outside: 20 3/4 x 20 3/4 x 21 1/2" (+/- 1/8")
MATERIAL:
  • B/C flute
FEATURES:
  • All boxes open along the length (first dimension).
  • Seams are glued.
SPECIFICATIONS:
  • Meets ASTM D5118
TERMINOLOGY:
  • Pound Test Refers to Bursting Strength:
    • 500# test boxes withstand 500 lbs/sq.in. of side wall pressure before bursting.
BOX STRENGTH GUIDELINES: (Maximum weight per box)                       
FIBER BOX HANDBOOKUPS GUIDELINES
32 ECT Single Wall65 lbs30 lbs
200# Single Wall65 lbs40 lbs
275# Single Wall95 lbs65 lbs
350# Single Wall120 lbs80 lbs
200# Double Wall80 lbs60 lbs
275# Double Wall100 lbs80 lbs
350# Double Wall120 lbs100 lbs
500# Double Wall160 lbs140 lbs
Ships Via Motor Freight
Availability: In Stock
Unit Weight: 6.60 lbs.
SDS Sheet
Catalog Page 31
Email Item
Country of Origin: USA
SPECIFICATIONSMETRICIMPERIAL
INSIDE LENGTH x WIDTH x HEIGHT51 x 51 x 51 cm20 x 20 x 20"
WEIGHT/BNDL.32 Kg71 lbs.
Ships Via Motor Freight
Availability: In Stock
Unit Weight: 6.60 lbs.
SDS Sheet
Catalog Page 31
Email Item
Country of Origin: USA
Ships Via Motor Freight
Availability: In Stock
Unit Weight: 6.60 lbs.
SDS Sheet
Catalog Page 31
Email Item
Country of Origin: USA
Add to Shopping List
Ships Via Motor Freight
Availability: In Stock
Unit Weight: 6.60 lbs.
SDS Sheet
Catalog Page 31
Email Item
Country of Origin: USA
SAME DAY SHIPPING | HUGE SELECTION IN STOCK | SHIPS FROM 14 LOCATIONS
04/29/2025 07:45:15 AM; USWEB34