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): 3/8"
- Thread Pitch: 16
- Diameter (Dimension): 0.375"
- Diameter (Minimum): 0.369"
- Diameter (Maximum): 0.375"
- Length (Nominal): 1-5/8"
- Thread Length (Nominal): 1"
- Across Flats (Basic): 9/16"
- Across Flats (Minimum): 0.551"
- Across Flats (Maximum): 0.562"
- Head Height, Overall: 0.2344"
- Head Height, Overall (Minimum): 0.226"
- Head Height, Overall (Maximum): 0.243"
- 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
Head Style Hex Head
System of Measurement Inch
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-3816X158
Head Height, Overall (Minimum) 0.226"
Head Style Detail Washer Face
Diameter (Dimension) 0.375"
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall 0.2344"
Material Grade Grade 8
Brand Aspen Fasteners
Diameter (Minimum) 0.369"
POS BO020-3816X158-000650
Across Flats (Minimum) 0.551"
Product Class Externally Threaded Fasteners
Head Height, Overall (Maximum) 0.243"
Thread Direction Right-Hand Thread
Order Machine Thread Fasteners
Thread Length (Nominal) 1"
Point Chamfered Point
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Across Flats (Maximum) 0.562"
Coating Color Yellow
Category Cap Screws
Material Steel
Coating Zinc Plated
Pitch UNC Coarse Thread
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-3816X158.zip
Drive Style External Hex Drive
Length (Nominal) 1-5/8"
Thread Pitch 16
Origin Made in U.S.A.
Diameter (Maximum) 0.375"
Diameter (Nominal) 3/8"
Across Flats (Basic) 9/16"
