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"
- Thread Pitch: 8
- Diameter (Dimension): 1"
- Diameter (Minimum): 0.990"
- Diameter (Maximum): 1.000"
- Length (Nominal): 4-1/4"
- Thread Length (Nominal): 2.25"
- Across Flats (Basic): 1-1/2"
- Across Flats (Minimum): 1.469"
- Across Flats (Maximum): 1.500"
- Head Height, Overall: 39/64"
- Head Height, Overall (Minimum): 0.591"
- Head Height, Overall (Maximum): 0.627"
- 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
Head Style Detail Washer Face
Origin Made in U.S.A.
POS BO020-18X414-000030
Thread Direction Right-Hand Thread
Material Steel
System of Measurement Inch
Order Machine Thread Fasteners
Across Flats (Maximum) 1.500"
Material Grade Grade 8
Product Class Externally Threaded Fasteners
Category Cap Screws
Drive Style External Hex Drive
Head Style Hex Head
Coating Zinc Plated
Diameter (Maximum) 1.000"
Head Height, Overall 39/64"
Length (Nominal) 4-1/4"
Diameter (Minimum) 0.990"
Head Height, Overall (Maximum) 0.627"
Coating Color Yellow
Point Chamfered Point
Pitch UNC Coarse Thread
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Diameter (Dimension) 1"
Across Flats (Minimum) 1.469"
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Thread Length (Nominal) 2.25"
Standards and Specifications ASME B18.2.1 and SAE J429
Across Flats (Basic) 1-1/2"
Brand Aspen Fasteners
Diameter (Nominal) 1"
Thread Pitch 8
Head Height, Overall (Minimum) 0.591"
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