Understanding the Value of Acorn Hex Nuts

Acorn hex nuts, sometimes referred to as cap nuts or dome nuts, are a specialized type of fastener prized for their dual functionality of secure fastening and a finished, aesthetically pleasing appearance. Like a standard hexagon nut, they feature a six-sided exterior for easy installation with common wrenches. However, their defining characteristic is the domed, closed end that covers exposed bolt threads, protecting them from environmental damage, preventing snagging on materials or clothing, and enhancing the overall look of an assembly. This makes them an excellent alternative to a standard hexagon cap nut when a completely enclosed, smooth finish is required. These nuts are indispensable in applications where safety, cleanliness, and visual appeal are paramount.


Detailed Specifications of the Acorn Hex Nut

The Acorn Hex Nut is engineered for reliability across various demanding environments. Below are the detailed technical parameters that define our product range.

Key Product Features

  • Material: Manufactured from high-grade materials including Grade 2, 5, and 8 Steel, 304 and 316 Stainless Steel, Brass, and Silicon Bronze for superior corrosion resistance and strength.
  • Finish: Available in multiple finishes such as Plain, Zinc Plated, Hot-Dip Galvanized, and Dichromate to suit different environmental and aesthetic requirements.
  • Design: Features a deep, one-piece domed cap that fully encapsulates the bolt end, providing a smooth, rounded surface.
  • Threads: Precision-cut Unified National Coarse (UNC), Unified National Fine (UNF), or Metric threads ensure a perfect fit and consistent performance.

Standard Size and Dimensions (Inch Series)

Nominal Size Threads Per Inch Width Across Flats (in) Height (Approx. in) Proof Load (psi, Grade 5)
1/4" 20 7/16 0.41 85,000
5/16" 18 1/2 0.53 85,000
3/8" 16 9/16 0.66 85,000
1/2" 13 3/4 0.84 85,000

Standard Size and Dimensions (Metric Series)

Nominal Size (mm) Thread Pitch (mm) Width Across Flats (mm) Height (Approx. mm) Property Class (e.g., 8)
M6 1.0 10 11 8
M8 1.25 13 14 8
M10 1.5 17 18 8
M12 1.75 19 22 8

The Acorn Hex Nut is commonly specified in the automotive, furniture, marine, and construction industries. Its robust construction prevents loosening from vibration and its sealed end resists the ingress of moisture, dirt, and other contaminants, ensuring the longevity of the bolted joint.

Hot Products

  • Thick Square Nut

    Thick Square Nut

    Xiaoguo® supplies thick square nut for track made in China. These nuts are able to withstand high torque and vibration, ensuring the stability of the track. You can get free samples to test. We can tailor it to your specific needs.
  • Large Four-Jaw Nut

    Large Four-Jaw Nut

    Welcome to Baoding Xiaoguo Intelligent Equipment Co., LTD.,to wholesale Large four-jaw nut, every request from customers is being replied within 24 hours. Xiaoguo is the professional manufacturer, we would like to provide you high quality Large four-jaw nut and we will offer you the best after-sale service and timely delivery.
  • Large Ball Pin Socket For Automobile-Left Pitch

    Large Ball Pin Socket For Automobile-Left Pitch

    Baoding Xiaoguo Intelligent Equipment Co., LTD., specializes in the development and manufacture of high-end Large ball pin socket for automobile-Left Pitch.we have our own factory of Large ball pin socket for automobile-Left Pitch.Trade relations with you are always available and expected to be established at any time.
  • Reliable Headed studs

    Reliable Headed studs

    Reliable Headed Studs are products of Xiaoguo®, a professional manufacturer that focuses on durable materials and strict quality control in every product. These fasteners feature a welded end and a formed head for secure structural connections.
  • Type B Full Thread Stud Screw

    Type B Full Thread Stud Screw

    Wholesale Type B full thread stud screws from Xiaoguo® Company can save costs. We offer highly competitive prices while ensuring quality. Each stud has undergone tests for thread accuracy and material strength. We can provide free samples for you to test.
  • Single chamfered hexagon nut for side

    Single chamfered hexagon nut for side

    Single chamfered hexagon nut for side are highly suitable for jobs that require components to be fixed from the side, such as certain furniture that needs to install side panels.When you are ready to purchase them from Xiaoguo®, you will get a practical fastening product.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept