Product Description
- Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
- The heads of grade 5 steel fasteners are typically marked with 3 raised radial lines.
- The washer face under the head provides a precision bearing surface.
- Grade 5 steel fasteners have a minimum tensile strength of 105,000 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): 4-1/4"
- Thread Length (Nominal): 2.75"
- 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: Three radial lines 120 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 5
- Coating: Zinc Plated
- Coating Color: Clear
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Thread Length (Nominal) 2.75"
Thread Direction Right-Hand Thread
Thread Pitch 7
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-1147X414.zip
Material Steel
Across Flats (Basic) 1-7/8"
System of Measurement Inch
Across Flats (Maximum) 1.875"
Length (Nominal) 4-1/4"
Diameter (Maximum) 1.250"
Diameter (Nominal) 1-1/4"
Head Height, Overall 25/32"
Diameter (Dimension) 1.25"
POS BO016-1147X414-000020
Material Grade Grade 5
Standards and Specifications ASME B18.2.1 and SAE J429
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1147X414
Coating Zinc Plated
Product Class Externally Threaded Fasteners
Head Height, Overall (Minimum) 0.749"
Brand Aspen Fasteners
Drive Style External Hex Drive
Origin Made in U.S.A.
Point Chamfered Point
Across Flats (Minimum) 1.812"
Category Cap Screws
Diameter (Minimum) 1.239"
Head Style Detail Washer Face
Head Style Hex Head
Coating Color Clear
Order Machine Thread Fasteners
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Head Height, Overall (Maximum) 0.813"
Pitch UNC Coarse Thread
