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): 10"
- 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
Length (Nominal) 10"
Thread Pitch 7
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-1147X10
Across Flats (Maximum) 1.875"
Head Height, Overall (Minimum) 0.749"
Diameter (Nominal) 1-1/4"
Point Chamfered Point
System of Measurement Inch
Coating Zinc Plated
Thread Direction Right-Hand Thread
Head Style Detail Washer Face
Head Style Hex Head
Across Flats (Basic) 1-7/8"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-1147X10.zip
Diameter (Minimum) 1.239"
Thread Length (Nominal) 3"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Pitch UNC Coarse Thread
Diameter (Maximum) 1.250"
POS BO020-1147X10-000010
Drive Style External Hex Drive
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall 25/32"
Category Cap Screws
Origin Made in U.S.A.
Across Flats (Minimum) 1.812"
Product Class Externally Threaded Fasteners
Brand Aspen Fasteners
Order Machine Thread Fasteners
Head Height, Overall (Maximum) 0.813"
Material Steel
Material Grade Grade 8
Coating Color Yellow
Diameter (Dimension) 1.25"
