| Stainless Steel Acorn Nut, #4-40 (Pack of 100) |  | Brand: Small Parts
Category: BISS
Sales Rank: 185,669
Color: Silver
Media: Misc.
Number Of Items: 100
Size: #4-40
Shipping Weight (lbs): 0.3
Dimensions (in): 2.3 x 1.5 x 1.3
MPN: CNX-0440-C
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| Features:
| • | Acorn Nuts cover exposed threads, provide finished appearance | | • | Stainless Steel is suitable where formability and cost are important considerations | | • | Drive system is a hexagon-shaped head | | • | Coarse threads are better for brittle materials, and will assemble and disassemble more quickly than fine threads | | • | Ensure a lasting hold for any project |
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| Editorial Reviews:
Product Description
Also known as cap nuts, Acorn Nuts cover exposed threads and provide a finished appearance. Hex drive systems are driven with a wrench.
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 the % of Nickel contained in 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. 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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