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): 6-1/2"
- 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
Point Chamfered Point
Brand Aspen Fasteners
Material Grade Grade 8
Product Class Externally Threaded Fasteners
Order Machine Thread Fasteners
Across Flats (Minimum) 1.812"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Standards and Specifications ASME B18.2.1 and SAE J429
Category Cap Screws
Across Flats (Basic) 1-7/8"
Diameter (Nominal) 1-1/4"
Thread Length (Nominal) 3"
Pitch UNC Coarse Thread
Head Height, Overall 25/32"
Thread Direction Right-Hand Thread
Diameter (Dimension) 1.25"
Drive Style External Hex Drive
Diameter (Maximum) 1.250"
Across Flats (Maximum) 1.875"
Origin Made in U.S.A.
Material Steel
Head Height, Overall (Minimum) 0.749"
Length (Nominal) 6-1/2"
Diameter (Minimum) 1.239"
Head Style Hex Head
Thread Pitch 7
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Coating Color Yellow
Head Style Detail Washer Face
Coating Zinc Plated
System of Measurement Inch
Head Height, Overall (Maximum) 0.813"