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Stainless Steel 18-8 Machine Screw, Vented Flat Head, Phillips Drive
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Product Specifications
- Brand Name
- Small Parts
- Color Name
- Silver
- Drive Style
- Phillips
- Exterior Finish
- Plain
- Head Angle
- 82 Degrees
- Head Style
- Flat
- Material Type
- Stainless Steel 18-8
- Part Number
- B003R7JDPG
- Self Locking Mechanism
- None
- System of Measurement
- Inch
- Thread Style
- Right Hand
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Key Features
- Machine Screws are often used with nuts or driven into tapped holes
- General Purpose Stainless Steel suitable where formability and cost are important considerations
- Flat head style allows fastener to sit flush to the surface
- Phillips drive is designed to cam out under too much torque
Product Description
Machine Screws, also referred to as Machine Bolts, are often used with nuts or driven into tapped holes. They come in a variety of head types and drive styles, but are generally available in smaller sizes.
Stainless steels are used for their corrosion resistance, high-temperature strength, scaling resistance, and low-temperature toughness. These properties account for their extremely wide use in practically every industry. Austenitic Stainless Steels are alloys of iron and carbon that contain between 16% and 30% Chromium, a maximum of 0.15% carbon, along with Nickel (or Manganese), and other alloying elements. The chromium, which helps develop a passive surface oxide film, provides corrosion resistance in stainless steels. Austenitic Stainless Steels are designated by a 3 digit SAE Stainless Steel Grade beginning with the number 3 (e.g. 304, 316). Another common naming convention for Austenitic Stainless Steels are 18/8, 18/10, 18/0, etc. where the 18 refers to the % of Chromium and 8 to % of Nickel contained in the material.
Stainless Steel 18-8 denotes 18% chromium and 8% nickel. Stainless Steel 18-8 can be formed and welded. Stainless Steel 18-8 is typically non-magnetic, though the material can become slightly magnetic when cold worked (cold working refers to altering the physical properties of the material without the use of temperature).
Flat head fasteners are designed to fit flush to the surface when used with countersunk holes. Length is measured from the top of the head. Vented fasteners have been drilled through their entire length to eliminate the possibility of virtual leaks caused by the trapped volume of air at the bottom of blind tapped holes. The Phillips drive style was originally designed so that the driver would slip out under extreme torque, preventing over-tightening and damage to the fastener or the material.
A threaded fastener's size name includes information about the major external diameter, followed by the threads per inch, which indicates if it is coarse or fine.
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