Additional information
| Package | 5/16” x 1” carriage bolt zinc (for Ductmate 25 flanged ductwork) – 100 count contractor pack, 5/16” x 1” carriage bolt zinc (for Ductmate 25 flanged ductwork) – Bulk box, 3/8” x 1” carriage bolt zinc (for TDF or Ductmate 35 flanged ductwork) – 100 count contractor pack, 3/8” x 1” carriage bolt zinc (for TDF or Ductmate 35 flanged ductwork) – Bulk box, 5/16” x 1” Nylon bolts and nuts 250 per pack, 3/8” x 1” Nylon bolts and nuts 250 per pack |
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