Tornillos estructurales hexagonales ASTM A325 rosca ordinaria negros disponible en las siguientes medidas:
- 1/2" x 1-1/2"
- 1/2" x 1-3/4"
- 1/2" x 2"
- 5/8" x 1-1/2"
- 5/8" x 2"
- 5/8" x 2-1/2"
- 5/8" x 2-1/4"
- 5/8" x 2-3/4
- 3/4" x 2"
- 3/4" x 2-1/4"
- 3/4" x 2-1/2"
- 3/4" x 3"
- 1" x 3"