Round Head Square Neck Bolt

  • Features a square neck for improved torque transmission and secure fit.
  • Rounded head provides a smooth surface and easy installation.
  • Available in multiple sizes, ranging from #10 to 1 inch diameter, with various thread pitches.
  • Designed for reliable, versatile fastening in industrial applications.
MOQ: 10000pcs
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Fastenal Carriage Bolts: top/side views with labeled length, diameter, head size, and threading dimensions.

(inch) #10 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1
P
24|32
20|28|32
18|24|32
16|24|32
14|20|28
13|20|28
11|18|24
10|16|20
9|14|20
8|12|20
ds max 0.199 0.26 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022
ds min 0.159 0.213 0.272 0.329 0.385 0.444 0.559 0.678 0.795 0.91
dk max 0.469 0.594 0.719 0.844 0.969 1.094 1.344 1.594 1.844 2.094
dk min 0.436 0.563 0.688 0.782 0.907 1.032 1.219 1.469 1.719 1.969
k max 0.114 0.145 0.176 0.208 0.239 0.27 0.344 0.406 0.459 0.531
k min 0.094 0.125 0.156 0.188 0.219 0.25 0.281 0.344 0.406 0.438
s max 0.199 0.26 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022
s min 0.185 0.245 0.307 0.368 0.431 0.492 0.616 0.741 0.865 0.99
k1 max 0.125 0.156 0.187 0.219 0.25 0.281 0.344 0.406 0.469 0.531
k1 min 0.094 0.125 0.156 0.188 0.25 0.313 0.375 0.438 0.5 0.5
r max 0.031 0.031 0.031 0.031 0.031 0.031 0.062 0.062 0.062 0.062

 

The Square Neck Bolt with a round head is a versatile fastening component ideal for various industrial applications. Designed with precision, it ensures secure and reliable connections.

Key Features:

  • Square neck design for enhanced torque transmission and secure fitting
  • Rounded head for smooth surface finish and easy installation
  • Suitable for use with square nuts or embedded into materials to prevent rotation
  • Available in multiple sizes to meet diverse project requirements

Specifications:

  • Sizes range from #10 (1/4 inch) to 1 inch diameter
  • Thread pitches include 24, 28, 32, and other standard measurements
  • Max and min dimensions provided for d_s, d_k, k, s, k1, and r parameters to ensure precise fit and compatibility
  • Material and finish details are not specified in the provided data; confirm as needed

The Round Head Square Neck Bolt offers robust performance with its specialized design, making it an excellent choice for distributors seeking reliable fastening solutions across various industrial and construction projects.

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