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Hexagon head bolts

  • Brand:

    T,TGR,XDM,OEM as requirement

  • Brief:

  • Surface:

    HDG,plain,black,galvanized,yellow zinc,nickel plated,dacromet,etc

  • Material:

    stainless steel304,316,316L,317,317L,carbon steel,B7,etc

  • Size:

    M1.6-M64,1/4-6,Custom-made

  • MOQ:

    According to size
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product details

Hexagon head bolts appropriate for when mechanical properties are more important than dimensional tolerances.

Screw Thread d 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8
ds max 0.25 0.3125 0.375 0.4375 0.5 0.5625 0.625 0.75 0.875 1 1.125
min 0.245 0.3065 0.369 0.4305 0.493 0.5545 0.617 0.741 0.866 0.99 1.114
s max 0.438 0.5 0.562 0.625 0.75 0.812 0.938 1.125 1.312 1.5 1.688
min 0.428 0.489 0.551 0.612 0.736 0.798 0.922 1.1 1.285 1.469 1.631
k max 0.163 0.211 0.243 0.291 0.323 0.371 0.403 0.483 0.563 0.627 0.718
min 0.15 0.195 0.226 0.272 0.302 0.348 0.378 0.455 0.531 0.591 0.658
b L≤6 0.75 0.875 1 1.125 1.25 1.375 1.5 1.75 2 2.25 2.5
L＞6 1 1.125 1.25 1.375 1.5 1.625 1.75 2 2.25 2.5 2.75
Screw Thread d 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3
ds max 1.25 1.375 1.5 1.625 1.75 1.875 2 2.25 2.5 2.75 3
min 1.239 1.363 1.488 1.613 1.738 1.863 1.988 2.238 2.488 2.738 2.988
s max 1.875 2.062 2.25 2.438 2.625 2.812 3 3.375 3.75 4.125 4.5
min 1.812 1.994 2.175 2.356 2.538 2.719 2.9 3.262 3.625 3.988 4.35
k max 0.813 0.878 0.974 1.038 1.134 1.198 1.263 1.423 1.583 1.744 1.935
min 0.749 0.81 0.902 0.962 1.054 1.114 1.175 1.327 1.479 1.632 1.815
b L≤6 2.75 3 3.25 3.5 3.75 4 4.25 / / / /
L＞6 3 3.25 3.5 3.75 4 4.25 4.5 5 5.5 6 6.5
Screw Thread d M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 (M7) M8 M10 M12
P Thread Pitch 0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1 1.25 1.5 1.75
b L≤125 9 10 11 12 13 14 16 18 20 22 26 30
125＜L≤200 - - - - - - 22 24 26 28 32 36
L＞200 - - - - - - - - - - 45 49
c min 0.1 0.1 0.1 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15
max 0.25 0.25 0.25 0.4 0.4 0.4 0.5 0.5 0.5 0.6 0.6 0.6
da max 2 2.6 3.1 3.6 4.1 4.7 5.7 6.8 7.8 9.2 11.2 13.7
ds max=nominal size 1.6 2 2.5 3 3.5 4 5 6 7 8 10 12
Grade A min 1.46 1.86 2.36 2.86 3.32 3.82 4.82 5.82 6.78 7.78 9.78 11.73
Grade B min - - - - - - - - - - - -
dw Grade A min 2.4 3.2 4.1 4.6 5.1 5.9 6.9 8.9 9.8 11.6 15.6 17.4
Grade B min - - - - - - - - - - - -
e Grade A min 3.41 4.32 5.45 6.01 6.58 7.66 8.79 11.05 12.12 14.38 18.9 21.1
Grade B min - - - - - - - - - - - -
k Nominal Size 1.1 1.4 1.7 2 2.4 2.8 3.5 4 4.8 5.3 6.4 7.6
Grade A min 0.98 1.28 1.58 1.88 2.28 2.68 3.35 3.85 4.65 5.15 6.22 7.32
max 1.22 1.52 1.82 2.12 2.52 2.92 3.65 4.15 4.95 5.45 6.58 7.68
Grade B min - - - - - - - - - - - -
max - - - - - - - - - - - -
k1 min 0.7 0.9 1.1 1.3 1.6 1.9 2.28 2.63 3.19 3.54 4.28 5.05
r min 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.25 0.4 0.4 0.6
s max=nominal size 3.2 4 5 5.5 6 7 8 10 11 13 17 19
Grade A min 3.02 3.82 4.82 5.32 5.82 6.78 7.78 9.78 10.73 12.73 16.73 18.67
Grade B min - - - - - - - - - - - -
Length of Thread b - - - - - - - - - - - -
Screw Thread d (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) -
P Thread Pitch 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 -
b L≤125 34 38 42 46 50 54 60 66 72 78 84 -
125＜L≤200 40 44 48 52 56 60 66 72 78 84 90 -
L＞200 53 57 61 65 69 73 79 85 91 97 103 -
c min 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 -
max 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1 -
da max 15.7 17.7 20.2 22.4 24.4 26.4 30.4 33.4 36.4 39.4 42.4 -
ds max=nominal size 14 16 18 20 22 24 27 30 33 36 39 -
Grade A min 13.73 15.73 17.73 19.67 21.67 23.67 - - - - - -
Grade B min - 15.57 17.57 19.48 21.48 23.48 26.48 29.48 32.38 35.38 38.38 -
dw Grade A min 20.5 22.6 25.3 28.2 30 33.6 - - - - - -
Grade B min - 22 24.8 27.7 29.5 33.2 38 42.7 46.6 51.1 55.9 -
e Grade A min 24.49 26.75 30.14 33.53 35.72 39.98 - - - - - -
Grade B min - 26.17 29.56 32.95 35.03 39.55 45.2 50.85 55.37 60.79 66.44 -
k Nominal Size 8.8 10 11.5 12.5 14 15 17 18.7 21 22.5 25 -
Grade A min 8.62 9.82 11.28 12.28 13.78 14.78 - - - - - -
max 8.98 10.18 11.72 12.72 14.22 15.22 - - - - - -
Grade B min - 9.71 11.15 12.15 13.65 14.65 16.65 18.28 20.58 22.08 24.58 -
max - 10.29 11.85 12.85 14.35 15.35 17.35 19.12 21.42 22.92 25.42 -
k1 min 5.96 6.8 7.8 8.5 9.6 10.3 11.7 12.8 14.4 15.5 17.2 -
r min 0.6 0.6 0.6 0.8 0.8 0.8 1 1 1 1 1 -
s max=nominal size 22 24 27 30 32 36 41 46 50 55 60 -
Grade A min 21.67 23.67 26.67 29.67 31.61 35.38 - - - - - -
Grade B min - 23.16 26.16 29.16 31 35 40 45 49 53.8 58.8 -
Length of Thread b - - - - - - - - - - - -