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Stainless Steel 18-8 Machine Screw, Vented Flat Head, Slotted Drive (Metric)

Available in multiple versions

Product Specifications
Brand Name Small Parts
Part Number B003R7JDQA
Material Type Stainless Steel
Exterior Finish Plain
System of Measurement Metric
Color Silver
Thread Style Right Hand
Head Angle 90  Degrees
Drive Style Slotted
Head Style Flat
Grade 18-8
UNSPSC Code 31161504

Machine Screws, also referred to as Machine Bolts, are often used with nuts or driven into tapped... Read full product description

Product 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
  • Driven by a flat-bladed driver

Product Details

  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003R7JDQA

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. Common applications for slotted screws include woodworking, although the drive style is not designed to be used with power drivers. 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.

A threaded fastener's size name includes information about the major external diameter (in millimeters), followed by the thread pitch (millimeters per thread), which indicates if it is coarse or fine.

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