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): 1-1/4"
- Thread Pitch: 7
- Diameter (Dimension): 1.25"
- Diameter (Minimum): 1.239"
- Diameter (Maximum): 1.250"
- Length (Nominal): 7"
- Thread Length (Nominal): 3"
- Across Flats (Basic): 1-7/8"
- Across Flats (Minimum): 1.812"
- Across Flats (Maximum): 1.875"
- Head Height, Overall: 25/32"
- Head Height, Overall (Minimum): 0.749"
- Head Height, Overall (Maximum): 0.813"
- 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
Pitch UNC Coarse Thread
Head Height, Overall 25/32"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-1147X7.zip
Material Grade Grade 8
Across Flats (Maximum) 1.875"
Diameter (Maximum) 1.250"
Material Steel
Order Machine Thread Fasteners
Across Flats (Minimum) 1.812"
Diameter (Minimum) 1.239"
Diameter (Dimension) 1.25"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Standards and Specifications ASME B18.2.1 and SAE J429
System of Measurement Inch
Origin Made in U.S.A.
Length (Nominal) 7"
Head Height, Overall (Maximum) 0.813"
Product Class Externally Threaded Fasteners
Coating Zinc Plated
Drive Style External Hex Drive
Thread Direction Right-Hand Thread
Head Style Detail Washer Face
Diameter (Nominal) 1-1/4"
Thread Pitch 7
Across Flats (Basic) 1-7/8"
Brand Aspen Fasteners
Coating Color Yellow
Thread Length (Nominal) 3"
Point Chamfered Point
POS BO020-1147X7-000012
Head Style Hex Head
Category Cap Screws
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-1147X7
Head Height, Overall (Minimum) 0.749"
