Allen Head Cap Bolt

  • Allen head design for easy tool usage and torque control.
  • Wide size range from M1.4 to M100 to meet various needs.
  • Multiple length options (t min) accommodate different assembly requirements.
MOQ: 10000pcs
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Technical drawing of M16 Hex Socket Head Bolt—front and side views with dimensions and millimeter tolerances.

(mm) M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18
P 0.3 0.35 0.4 0.45 0.5 0.7 0.8 1 1|1.25 1|1.25|1.5 1.25|1.5|1.75 1.5|2 1.5|2 1.5|2|2.5
dk max 2.6 3 3.8 4.5 5.5 7 8.5 10 13 16 18 21 24 27
dk min 2.46 2.86 3.62 4.32 5.32 6.78 8.28 9.78 12.73 15.73 17.73 20.67 23.67 26.67
da max 1.8 2 2.6 3.1 3.6 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 20.2
e min 1.5 1.73 1.73 2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 13.72 16 16
k max 1.4 1.6 2 2.5 3 4 5 6 8 10 12 14 16 18
k min 1.26 1.46 1.86 2.36 2.86 3.82 4.82 5.7 7.64 9.64 11.57 13.57 15.57 17.57
r min 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.6
s min 1.32 1.52 1.52 2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 12.032 14.032 14.032
s max 1.36 1.56 1.56 2.06 2.58 3.08 4.095 5.14 6.14 8.175 10.175 12.212 14.212 14.212
t min 0.6 0.7 1 1.1 1.3 2 2.5 3 4 5 6 7 8 9

 

(mm) M20 M22 M24 M27 M30 M33 M36 M42 M48 M56 M64 M72 M80 M90 M100
P 1.5|2|2.5 1.5|2|2.5 2|3 2|3 2|3.5 2|3.5 3|4 3|4.5 3|5 4|5.5 4|6 4|6 4|6 4|6 4|6
dk max 30 33 36 40 45 50 54 63 72 84 96 108 120 135 150
dk min 29.67 32.61 35.61 39.61 44.61 49.61 53.54 62.54 71.54 83.46 95.46 107.46 119.46 134.37 149.37
da max 22.4 24.4 26.4 30.4 33.4 36.4 39.4 45.5 52.6 63 71 79 87 97 107
e min 19.44 19.44 21.73 21.73 25.15 27.43 30.85 36.57 41.13 46.83 52.53 62.81 74.21 85.61 97.04
k max 20 22 24 27 30 33 36 42 48 56 64 72 80 90 100
k min 19.48 21.48 23.48 26.48 29.48 32.38 35.38 41.38 47.38 55.38 63.26 71.26 79.26 89.13 99.13
r min 0.8 0.8 0.8 1 1 1 1 1.2 1.6 2 2 2 2 2.5 2.5
s min 17.05 17.05 19.065 19.065 22.065 24.065 27.065 32.08 36.08 41.08 46.08 55.1 65.1 75.1 85.12
s max 17.23 17.23 19.275 19.275 22.275 24.275 27.275 32.33 36.33 41.33 46.33 55.4 65.4 75.4 85.47
t min 10 11 12 13.5 15.5 18 19 24 28 34 38 43 48 54 60

 

The Allen Head Cap Bolt is a versatile fastening solution designed for various industrial and mechanical applications. Its precise dimensions and standards ensure reliable performance and compatibility across multiple uses.

Key Features:

  • Designed with an Allen head for easy tool integration and torque application.
  • Available in a wide range of sizes from M1.4 to M100 to suit different project needs.
  • Modern dimensional specifications for diameter, length, and threading to ensure compatibility.
  • Robust construction with specified maximum and minimum dimensions for durability.
  • Various length options (t min) to accommodate different assembly requirements.

Specifications:

  • Thread sizes range from M1.4 to M100, with corresponding pitch (P) values.
  • Diameter measurements (dk max, dk min, da max) vary according to bolt size.
  • Thread length range (t min) from 0.6mm up to 60mm depending on size.
  • Head dimensions (k max & min) and other critical clearances specified to ensure proper fit and function.
  • Minimum and maximum values for radius (r min) and spacing (s min/max) provided for precision assembly.

The Allen Head Cap Bolt offers a comprehensive selection of sizes and precise dimensions, making it an excellent choice for distributors seeking reliable, standardized fasteners for diverse industrial applications.

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