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): 3-1/2"
- Length (Minimum): 3.31"
- Length (Maximum): 3.5"
- 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
Thread Direction Right-Hand Thread
Thread Length (Nominal) 1.375"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO039-3410X312
Material Processes Heat Treated
Material Grade ASTM A325 Type 1
Category Hex Bolts, Heavy Structural
Head Style Hex Head
Product Class Externally Threaded Fasteners
Coating Color Clear
Order Machine Thread Fasteners
Length (Nominal) 3-1/2"
Origin Made in U.S.A.
Head Height, Overall (Minimum) 0.455"
Diameter (Maximum) 0.768"
Point Chamfered Point
System of Measurement Inch
Coating Hot Dip Galvanized
Diameter (Minimum) 0.729"
Length (Minimum) 3.31"
Standards and Specifications ASME B18.2.6
Across Flats (Basic) 1-1/4"
Brand Aspen Fasteners
Head Height, Overall (Maximum) 0.483"
Pitch Coarse Thread
Hardness Rating Rockwell C24-C35
Head Style Detail Washer Face
Thread Length Part Thread
Diameter (Dimension) 0.75"
Across Flats (Maximum) 1.250"
Length (Maximum) 3.5"
Across Flats (Minimum) 1.212"
Diameter (Nominal) 3/4"
Head Height, Overall 15/32"
Material Steel
POS BO039-3410X312-000075,BO039-3410X312-000300
Drive Style External Hex Drive
Thread Pitch 10
