#4-40 X 5/16″ Machine Screws, Flat Phillips Drive, Stainless Steel

Description

• Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.
• Flat countersunk head screws sit flush with the surface of the material they are inserted into.
• 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
• Stainless steel significantly improves resistance to tarnishing or corrosion.

DIMENSIONAL ATTRIBUTES

• Diameter (Nominal): 4
• Thread Pitch: 40
• Diameter (Dimension): 0.112″
• Length (Nominal): 5/16″
• Thread Length (Nominal): 0.246″
• Drive Recess Size: 1
• Drive Recess Width: 0.122″
• Drive Recess Depth (Minimum): 0.066″
• Drive Recess Depth (Maximum): 0.082″
• Head Diameter (Minimum): 0.191″
• Head Diameter (Maximum): 0.212″
• Head Height, Overall: 0.067″

PRODUCT ATTRIBUTES

• Category: Machine Screws
• System of Measurement: Inch
• Brand: Aspen Fasteners
• Head Style: Flat Countersunk Head
• Head Style Detail: 82 Degree Countersink
• Drive Style: Cruciform Recess Drive
• Drive Detail: Phillips Type H
• Thread Length: Full Thread
• Thread Direction: Right-Hand Thread
• Material: Stainless Steel
• Material Grade: 18-8 Stainless Steel
• Coating: Uncoated
• Origin: Origin Undefined
• Standards and Specifications: ASME B18.6.3