Product Description
- Flange under the head acts like a washer to increase the bearing surface and distribute the load.
- Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.
- Diameter (Nominal): 5/16"
- Diameter (Dimension): 0.3125"
- Thread Pitch: 18
- Length (Nominal): 2-1/4"
- Thread Length (Minimum): 2.25"
- Across Flats (Basic): 1/2"
- Head Height, Overall: 0.298"
- Flange Diameter: 0.706"
- Product Class: Externally Threaded Fasteners
- Order: Machine Thread Fasteners
- Category: Flange Screws
- System of Measurement: US Units
- Brand: Aspen Fasteners®
- Head Style: Hex Washer Head
- Head Style Detail: Locking Serrations
- Drive Style: External Hex Drive
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Processes: Case Hardened
- Coating: Zinc Plated
- Coating Color: Clear
- NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.
Product Videos
Custom Field
System of Measurement US Units
Head Style Hex Washer Head
Coating Process Zinc Plated, Clear
Diameter/Pitch 5/16"-18
Drive Style External Hex Drive
Material Steel
Length 2-1/4"
Category Flange Screws
