Product Description
- Machine bolts are most commonly used in construction applications.
- Machine bolts tolerances are typically less precise than those of cap screws.
- Unlike cap screws, does not have a washer face or a machined point.
- Diameter (Nominal): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Length (Nominal): 4"
- Thread Length (Nominal): 0.875"
- Across Flats (Basic): 1/2"
- Head Height, Overall: 0.22"
- Category: Machine Bolts
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Square Head
- Drive Style: External Square Drive
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: Low Carbon Steel
- Coating: Uncoated
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1
Product Videos
Custom Field
Diameter (Nominal) 5/16"
Category Machine Bolts
Head Style Square Head
Thread Direction Right-Hand Thread
System of Measurement Inch
Thread Length (Nominal) 0.875"
Brand Aspen Fasteners
Product Class Externally Threaded Fasteners
Diameter (Dimension) 0.3125"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO034-51618X4
Head Height, Overall 0.22"
Across Flats (Basic) 1/2"
Material Steel
Order Machine Thread Fasteners
Standards and Specifications ASME B18.2.1
POS BO034-51618X4-000300,BO034-51618X4-000400
Origin Origin Undefined
Coating Uncoated
Length (Nominal) 4"
Material Grade Low Carbon Steel
Drive Style External Square Drive
Thread Pitch 18