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Stainless Steel 18-8 Carriage Bolt, Oval Head
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Product Specifications
- Brand Name
- Small Parts
- Exterior Finish
- Plain
- Head Style
- Oval
- Material Type
- Stainless Steel 18-8
- Self Locking Mechanism
- None
- System of Measurement
- Inch
- Thread Style
- Right Hand
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Key Features
- Carriage Bolts have a domed head with a square neck to prevent spinning
- General Purpose Stainless Steel suitable where formability and cost are important considerations
- Oval head style for recessed finish with a slightly rounded surface
- Length is measured from under the head
Product Description
Carriage Bolts or Carriage Screws have a square neck that keeps them from turning once tightened. Use in square holes for wood-to-wood and wood-to-metal fastening. Length is measured from under the head.
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).
Similar to a flat-head style, the oval head style has a slightly convex top surface; it is typically used for appearance.
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. Coarse threads are better when working with brittle materials; they are sturdier and are easier to thread and unthread compared to fine. Coarse threading also allows for thicker coatings and platings.
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