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): 4-3/4"
- Length (Minimum): 4.56"
- Length (Maximum): 4.75"
- 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: Uncoated
- Hardness Rating: Rockwell C24-C35
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.6
Product Videos
Custom Field
Head Style Detail Washer Face
Category Hex Bolts, Heavy Structural
Head Height, Overall (Maximum) 0.483"
Product Class Externally Threaded Fasteners
Thread Direction Right-Hand Thread
Material Processes Heat Treated
Coating Uncoated
Material Steel
Across Flats (Minimum) 1.212"
Diameter (Nominal) 3/4"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-3410X434
Across Flats (Basic) 1-1/4"
Drive Style External Hex Drive
Head Height, Overall 15/32"
Length (Nominal) 4-3/4"
Material Grade ASTM A325 Type 1
Standards and Specifications ASME B18.2.6
Diameter (Minimum) 0.729"
Head Style Hex Head
Point Chamfered Point
Head Height, Overall (Minimum) 0.455"
Pitch Coarse Thread
Thread Length Part Thread
Diameter (Dimension) 0.75"
Brand Aspen Fasteners
System of Measurement Inch
Origin Made in U.S.A.
Order Machine Thread Fasteners
Length (Maximum) 4.75"
Diameter (Maximum) 0.768"
POS BO040-3410X434-000250
Thread Pitch 10
Length (Minimum) 4.56"
Thread Length (Nominal) 1.375"
Hardness Rating Rockwell C24-C35
Across Flats (Maximum) 1.250"