Square Bolts

  • Available in sizes from 1/4″ to 1-1/2″.
  • Precisely manufactured with detailed dimensional tolerances.
  • Multiple thread pitches and specifications for diverse uses.
  • Suitable for machinery, construction, and equipment applications.
Category: Bolts
MOQ: 10000pcs
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M8 Square Bolt tech drawing with labeled dimensions, side/top views, and specs—ideal for comparing with slotted screws.

(inch) 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
P 20 28 32 18 24 32 16 24 32 14 20 28 13
ds max 0.26 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022 1.149 1.277 1.404 1.531
ds min 0.237 0.298 0.36 0.421 0.482 0.605 0.729 0.852 0.976 1.098 1.223 1.345 1.47
s max 0.375 0.5 0.562 0.625 0.75 0.938 1.125 1.312 1.5 1.688 1.875 2.062 2.25
s min 0.362 0.484 0.544 0.603 0.725 0.906 1.088 1.269 1.45 1.631 1.812 1.994 2.175
e max 0.53 0.707 0.795 0.884 1.061 1.326 1.591 1.856 2.121 2.386 2.652 2.917 3.182
e min 0.498 0.665 0.747 0.828 0.995 1.244 1.494 1.742 1.991 2.239 2.489 2.738 2.986
k max 0.188 0.22 0.268 0.316 0.348 0.444 0.524 0.62 0.684 0.78 0.876 0.94 1.036
k min 0.156 0.186 0.232 0.278 0.308 0.4 0.476 0.568 0.628 0.72 0.812 0.872 0.964
r max 0.03 0.03 0.03 0.03 0.03 0.06 0.06 0.06 0.06 0.06 0.09 0.09 0.09
r min 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.03

 

Square Bolts are essential fastening components designed for applications requiring high strength and reliable securing. They are particularly suitable for use in machinery, construction, and equipment where square-shaped fasteners are preferred for stability and torque transfer.

Key Features:

  • Available in a range of sizes from 1/4 inch to 1-1/2 inches
  • Numerous dimensional specifications to suit various engineering needs
  • Precision manufacturing with detailed measurements for maximum performance
  • Different thread pitches and tolerances to accommodate diverse applications
  • Designed to meet industry standards for durability and strength

Specifications:

  • Thread pitch (P): Ranges from 13 to 32 depending on size
  • Max and min values for diameters (ds), thread length (s), and other critical dimensions (e, k, r) provided for each size
  • Dimensions precisely measured with maximum and minimum tolerances to ensure compatibility and reliability
  • Key measurements include:
    • Diameter (ds max/min): 0.237–1.531 inches
    • Thread length (s max/min): 0.362–2.25 inches
    • Overall length (e max/min): 0.498–3.182 inches
    • Head thickness (k max/min): 0.156–1.036 inches
    • Radius (r max/min): 0.01–0.09 inches

Square Bolts are engineered for robust fastening solutions with a comprehensive range of sizes and precise specifications to meet demanding industrial standards. Distributors can rely on their quality, durability, and compatibility across various applications.

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