8-32 Round Head Machine Screws Phillips Drive Stainless Steel

Round Heads have a tall domed top and a flat bearing surface. Machine screws are often used with nuts but also often driven into tapped holes (without nuts). They might be considered a screw or a bolt based on the Machinery's Handbook distinction. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws or less ambiguously as machine screws, although some kinds of machine screw can be referred to as stove bolts.

General Product Information

• Head Style : Round Head
• Drive Style : Phillips
• Drive Size : #2
• Thread : 8-32
• Length : Select Length in Drop Down
• Quantity of Fasteners in Package : Select Item Package Quantity in Drop Down Menu

Detailed Product Information:

(View Full 2D Dimensional Drawing File By Selecting Desired Length in Drop Down Menu)

• Head Diameter : 0.309"
• Head Height : 0.120"
• Thread Diameter : 0.168"
• Threads Per Inch (TPI) : 32
• Coarse or Fine Thread : UNC Coarse
• Thread Coverage : Fully Threaded
• Material : Stainless Steel 18-8

Key Notes:

Machine screws are uniformly threaded screws of 1/4" nominal diameter or less that is designed to be threaded into uniformly threaded nuts or threaded holes in the parts they are intended to fasten. Machine screws primary tightening is accomplished by turning the head of the screw. With a bolt, the primary tightening procedure might be accomplished by turning the nut.

Round heads feature a round top very similar to half of a sphere with a flat load bearing surface on the underside that will hold materials being fastened firmly together.

Phillips drive is a cross head design and is the most commonly used type in America. Phillips is often criticized for its tendency to cam out at lower torque levels but this was actually a deliberate feature of the design, for the purpose of assembling aluminum aircraft without overtightening the fasteners.

The vast majority of stainless steel fasteners are produced with metals from the austenitic family. Their high levels of chromium and nickel provide tough corrosion resistance and the ability to withstand considerable physical strain without fracturing, albeit at a higher cost than the martensitic varieties.

Made of stainless steel grade 18-8 which offers a high level of chemical and corrosion resistance and strength that will outperform and out last all zinc plated fasteners for years without the need to perform costly and time consuming maintenance.

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