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Ready stock ISO 4014 12.9 M64, M56, M42, M48, M36, M24

[ Time：2022-02-02　Click：557 ]

 

 

Product：hexagon head screws / half thread

Specification：M20-M72

Property Class: ISO898-1  8.8, 10.9

Elongation after fracture

Minimum tensile strength

Lower yield strength or stress ar 0.2% non-proportional elongation

Stress under proof load

Strength under wedge loading

Hardness

Impact strength Kv， min at -20℃

Above property requirements comform to ISO898-1

Thread tolerance：6g,6e,6h

Tolerance standard：ISO 4759-1

Surface defect：ISO 6157-1

Quality management systems: ISO9001

1

 

THREAD DIMENSION M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42
d                  
P PITCH   2.5 2.5 3 3 3.5 3.5 4 4 4.5
b L≤125   46 50 54 60 66 - - - -
125＜L≤200   52 56 60 66 72 78 84 90 96
L＞200   65 69 73 79 85 91 97 103 109
c MAX   0.8 0.8 0.8 0.8 0.8 0.8 0.8 1 1
MIN   0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3
da MAX   22.4 24.4 26.4 30.4 33.4 36.4 39.4 42.4 45.6
ds MAX=NOMINAL   20 22 24 27 30 33 36 39 42
LEVEL A MIN 19.67 21.67 23.67 - - - - - -
LEVEL B MIN 19.48 21.48 23.48 26.48 29.48 32.38 35.38 38.38 41.38
dw LEVEL A MIN 28.19 31.71 33.61 - - - - - -
LEVEL B MIN 27.7 31.35 33.25 38 42.75 46.55 51.11 55.86 59.95
e LEVEL A MIN 33.53 37.72 39.98 - - - - - -
LEVEL B MIN 32.95 37.29 39.55 45.2 50.85 55.37 60.79 66.44 71.3
L1 MAX   4 4 4 6 6 6 6 6 8
k NOMINAL   12.5 14 15 17 18.7 21 22.5 25 26
LEVEL A MAX 12.715 14.215 15.215 - - - - - -
MIN 12.285 13.785 14.785 - - - - - -
LEVEL B MAX 12.85 14.35 15.35 17.35 19.12 21.42 22.92 25.42 26.42
MIN 12.15 13.65 14.65 16.65 ① 18.28 20.58 22.08 24.58 25.58
k1 LEVEL A MIN 8.6 9.65 10.35 - - - - - -
LEVEL B MIN 8.51 9.56 10.26 11.66 12.8 14.41 15.46 17.21 17.91
r MIN   0.8 0.8 0.8 1 1 1 1 1 1.2
s MAX=NOMINAL   30 34 36 41 46 50 55 60 65
LEVEL A MIN 29.67 33.38 35.38 - - - - - -
lEVEL B MIN 29.16 33 35 40 45 49 53.8 58.8 63.1
THREAD LENGTH b - - - - - - - - -

 

THREAD DIMENSION (M45) M48 (M52) M56 (M60) M64
d            
P PITCH   4.5 5 5 5.5 5.5 6
b L≤125   - - - - - -
125＜L≤200   102 108 116 - - -
L＞200   115 121 129 137 145 153
c MAX   1 1 1 1 1 1
MIN   0.3 0.3 0.3 0.3 0.3 0.3
da MAX   48.6 52.6 56.6 63 67 71
ds MAX=NOMINAL   45 48 52 56 60 64
LEVEL A MIN - - - - - -
LEVEL B MIN 44.38 47.38 51.26 55.26 59.26 63.26
dw LEVEL A MIN - - - - - -
LEVEL B MIN 64.7 69.45 74.2 78.66 83.41 88.16
e LEVEL A MIN - - - - - -
LEVEL B MIN 76.95 82.6 88.25 93.56 99.21 104.86
L1 MAX   8 10 10 12 12 13
k NOMINAL   28 30 33 35 38 40
LEVEL A MAX - - - - - -
MIN - - - - - -
LEVEL B MAX 28.42 30.42 33.5 35.5 38.5 40.5
MIN 27.58 29.58 32.5 34.5 37.5 39.5
k1 LEVEL A MIN - - - - - -
LEVEL B MIN 19.31 20.71 22.75 24.15 26.25 27.65
r MIN   1.2 1.6 1.6 2 2 2
s MAX=NOMINAL   70 75 80 85 90 95
LEVEL A MIN - - - - - -
lEVEL B MIN 68.1 73.1 78.1 82.8 87.8 92.8
THREAD LENGTH b - - - - - -

 

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