Product Description
- Heavy hex structural bolts are designed to withstand the load of a steel-to-steel connection.
- Commonly used in structural steel joint in construction and building applications.
- The washer face under the head provides a precision bearing surface.
- The chamfered point improves engagement with a nut or pre-tapped hole.
- Diameter (Nominal): 3/4"
- Thread Pitch: 10
- Diameter (Dimension): 0.75"
- Diameter (Minimum): 0.729"
- Diameter (Maximum): 0.768"
- Length (Nominal): 4"
- Length (Minimum): 3.81"
- Length (Maximum): 4"
- Thread Length (Nominal): 1.375"
- Across Flats (Basic): 1-1/4"
- Across Flats (Minimum): 1.212"
- Across Flats (Maximum): 1.250"
- Head Height, Overall: 15/32"
- Head Height, Overall (Minimum): 0.455"
- Head Height, Overall (Maximum): 0.483"
- Category: Hex Bolts, Heavy Structural
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Head
- Head Style Detail: Washer Face
- Drive Style: External Hex Drive
- Pitch: Coarse Thread
- Thread Length: Part Thread
- Thread Direction: Right-Hand Thread
- Point: Chamfered Point
- Material: Steel
- Material Grade: ASTM A325 Type 1
- Material Processes: Heat Treated
- Coating: Hot Dip Galvanized
- Coating Color: Clear
- Hardness Rating: Rockwell C24-C35
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.6
Product Videos
Custom Field
Material Grade ASTM A325 Type 1
Drive Style External Hex Drive
Length (Minimum) 3.81"
Category Hex Bolts, Heavy Structural
POS BO039-3410X4-000275,BO039-3410X4-000075
Diameter (Dimension) 0.75"
Pitch Coarse Thread
Product Class Externally Threaded Fasteners
Across Flats (Maximum) 1.250"
Material Processes Heat Treated
Head Height, Overall 15/32"
Diameter (Maximum) 0.768"
Coating Hot Dip Galvanized
Hardness Rating Rockwell C24-C35
Thread Length (Nominal) 1.375"
Thread Direction Right-Hand Thread
Order Machine Thread Fasteners
Diameter (Minimum) 0.729"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO039-3410X4
System of Measurement Inch
Head Height, Overall (Maximum) 0.483"
Brand Aspen Fasteners
Length (Nominal) 4"
Across Flats (Basic) 1-1/4"
Head Height, Overall (Minimum) 0.455"
Origin Made in U.S.A.
Point Chamfered Point
Head Style Hex Head
Standards and Specifications ASME B18.2.6
Thread Length Part Thread
Length (Maximum) 4"
Across Flats (Minimum) 1.212"
Diameter (Nominal) 3/4"
Material Steel
Thread Pitch 10
Head Style Detail Washer Face
Coating Color Clear
