- Step bolts have a lower profile head than carriage bolts.
- The square neck under the head locks the bolt into place.
DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Diameter (Minimum): 0.298"
- Diameter (Maximum): 0.324"
- Length (Nominal): 3"
- Thread Length (Nominal): 0.875"
- Neck Width: 0.324"
- Neck Height: 0.187"
- Head Diameter (Minimum): 1"
- Head Diameter (Maximum): 1.031"
- Head Height, Overall (Minimum): 0.156"
- Head Height, Overall (Maximum): 0.176"
PRODUCT ATTRIBUTES- Category: Step Bolts
- System of Measurement: Inch
- Brand: Aspen Fasteners®
- Head Style: Truss Head
- Head Style Detail: Square Neck
- Thread Length: Standard Thread Length
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: Low Carbon Steel
- Coating: Zinc Plated
- Coating Color: Clear
- Standards and Specifications: ASME B18.5
Product UPC Code:
698435949010
- Brand:
- Aspen Fasteners
- Category:
- Step Bolts
- Coating:
- Zinc Plated
- Coating Color:
- Clear
- Diameter (Dimension):
- 0.3125"
- Diameter (Maximum):
- 0.324"
- Diameter (Minimum):
- 0.298"
- Diameter (Nominal):
- 5/16"
- Head Diameter (Maximum):
- 1.031"
- Head Diameter (Minimum):
- 1"
- Head Height, Overall (Maximum):
- 0.176"
- Head Height, Overall (Minimum):
- 0.156"
- Head Style:
- Truss Head
- Head Style Detail:
- Square Neck
- Length (Nominal):
- 3"
- Material:
- Steel
- Material Grade:
- Low Carbon Steel
- Neck Height:
- 0.187"
- Neck Width:
- 0.324"
- Order:
- Machine Thread Fasteners
- Product Class:
- Externally Threaded Fasteners
- Standards and Specifications:
- ASME B18.5
- System of Measurement:
- Inch
- Thread Direction:
- Right-Hand Thread
- Thread Length:
- Standard Thread Length
- Thread Length (Nominal):
- 0.875"
- Thread Pitch:
- 18
- cad_3d_file_url:
- https://3d.aspenfasteners.com/assets/obj/BO037-51618X3.zip
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/BO037-51618X3
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product91/BO037-51618X3.PDF
- Shop by Material:
- Steel
- Shop by System of Measurement:
- Inch
- POS:
- BO037-51618X3-000500