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): 5-1/2"
- 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
Origin Made in U.S.A.
Material Grade Grade 5
Diameter (Dimension) 1.25"
Category Cap Screws
Head Markings Three radial lines 120 degrees apart and manufacturer ID
POS BO016-1147X512-000015
Thread Pitch 7
Thread Length (Nominal) 2.75"
Head Style Detail Washer Face
Head Height, Overall 25/32"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-1147X512.zip
Pitch UNC Coarse Thread
Across Flats (Maximum) 1.875"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1147X512
Material Steel
Product Class Externally Threaded Fasteners
Diameter (Minimum) 1.239"
Brand Aspen Fasteners
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall (Maximum) 0.813"
Head Style Hex Head
Drive Style External Hex Drive
Coating Color Clear
Diameter (Maximum) 1.250"
Coating Zinc Plated
Across Flats (Basic) 1-7/8"
Thread Direction Right-Hand Thread
Length (Nominal) 5-1/2"
Across Flats (Minimum) 1.812"
Order Machine Thread Fasteners
Head Height, Overall (Minimum) 0.749"
Point Chamfered Point
Diameter (Nominal) 1-1/4"
System of Measurement Inch
