- Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
- 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
- Stainless steel significantly improves resistance to tarnishing or corrosion.
- ASTM F593covers the chemical and mechanical requirements for 7 alloy groups of stainless fasteners.
- The washer face under the head provides a precision bearing surface.
- The chamfered point improves engagement with a nut or pre-tapped hole.
DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Diameter (Minimum): 0.3065"
- Diameter (Maximum): 0.3125"
- Length (Nominal): 5/8"
- Thread Length (Nominal): 0.625"
- Across Flats (Basic): 1/2"
- Across Flats (Minimum): 0.489"
- Across Flats (Maximum): 0.500"
- Head Height, Overall: 0.2031"
- Head Height, Overall (Minimum): 0.195"
- Head Height, Overall (Maximum): 0.211"
PRODUCT ATTRIBUTES- Category: Cap Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners®
- Head Style: Hex Head
- Head Style Detail: Washer Face
- Drive Style: External Hex Drive
- Thread Direction: Right-Hand Thread
- Point: Chamfered Point
- Material: Stainless Steel
- Material Grade: 18-8 Stainless Steel
- Coating: Uncoated
- Standards and Specifications: ASTM F593
Product UPC Code:
698435739857
- Across Flats (Basic):
- 1/2"
- Across Flats (Maximum):
- 0.500"
- Across Flats (Minimum):
- 0.489"
- Brand:
- Aspen Fasteners(r)
- Category:
- Cap Screws
- Coating:
- Uncoated
- Diameter (Dimension):
- 0.3125"
- Diameter (Maximum):
- 0.3125"
- Diameter (Minimum):
- 0.3065"
- Diameter (Nominal):
- 5/16"
- Drive Style:
- External Hex Drive
- Head Height, Overall:
- 0.2031"
- Head Height, Overall (Maximum):
- 0.211"
- Head Height, Overall (Minimum):
- 0.195"
- Head Style:
- Hex Head
- Head Style Detail:
- Washer Face
- Length (Nominal):
- 5/8"
- Material:
- Stainless Steel
- Material Grade:
- 18-8 Stainless Steel
- Order:
- Machine Thread Fasteners
- POS:
- ST316-51618X58-000150
- Point:
- Chamfered Point
- Product Class:
- Externally Threaded Fasteners
- Standards and Specifications:
- ASTM F593
- System of Measurement:
- Inch
- Thread Direction:
- Right-Hand Thread
- Thread Length (Nominal):
- 0.625"
- Thread Pitch:
- 18
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product78/ST316-51618X58.PDF
- Shop by Material:
- Stainless Steel
- Shop by System of Measurement:
- Inch