Product Description
- Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
- The heads of grade 8 steel fasteners are typically marked with 6 raised radial lines.
- The washer face under the head provides a precision bearing surface.
- Grade 8 steel fasteners have a minimum tensile strength of 150,000 pounds per square inch.
- 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): 0.741"
- Diameter (Maximum): 0.750"
- Length (Nominal): 3-1/2"
- Thread Length (Nominal): 1.75"
- Across Flats (Basic): 1-1/8"
- Across Flats (Minimum): 1.100"
- Across Flats (Maximum): 1.125"
- Head Height, Overall: 15/32"
- Head Height, Overall (Minimum): 0.455"
- Head Height, Overall (Maximum): 0.483"
- Category: Cap Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Head
- Head Style Detail: Washer Face
- Head Markings: Six radial lines 60 degrees apart and manufacturer ID
- Drive Style: External Hex Drive
- Pitch: UNC Coarse Thread
- Thread Direction: Right-Hand Thread
- Point: Chamfered Point
- Material: Steel
- Material Grade: Grade 8
- Coating: Zinc Plated
- Coating Color: Yellow
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Drive Style External Hex Drive
POS BO020-3410X312-000070
Product Class Externally Threaded Fasteners
Category Cap Screws
Diameter (Maximum) 0.750"
Head Height, Overall (Maximum) 0.483"
Standards and Specifications ASME B18.2.1 and SAE J429
Head Style Hex Head
Pitch UNC Coarse Thread
Material Grade Grade 8
Order Machine Thread Fasteners
Across Flats (Basic) 1-1/8"
Length (Nominal) 3-1/2"
Thread Length (Nominal) 1.75"
Head Height, Overall (Minimum) 0.455"
Diameter (Minimum) 0.741"
Head Style Detail Washer Face
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-3410X312
Origin Made in U.S.A.
Diameter (Dimension) 0.75"
Coating Zinc Plated
Head Height, Overall 15/32"
Thread Direction Right-Hand Thread
Brand Aspen Fasteners
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-3410X312.zip
Thread Pitch 10
Coating Color Yellow
Head Markings Six radial lines 60 degrees apart and manufacturer ID
System of Measurement Inch
Point Chamfered Point
Across Flats (Maximum) 1.125"
Across Flats (Minimum) 1.100"
Material Steel
Diameter (Nominal) 3/4"
