ISO Metric Hexagon Head Bolts - Product Grades A And B
Product Specification
Screw Thread |
M20 |
D |
20 |
P |
2.5 |
B |
L≤125 |
46 |
B |
125<L≤200 |
52 |
B |
L>200 |
65 |
C |
Max |
0.8 |
C |
Min |
0.2 |
Da |
Max |
22.4 |
Ds |
Nominal |
20 |
Ds |
Grade A |
Min |
19.67 |
Ds |
Grade B |
Min |
19.48 |
Dw |
Grade A |
Min |
28.19 |
Dw |
Grade B |
Min |
27.7 |
E |
Grade A |
Min |
33.53 |
E |
Grade B |
Min |
32.95 |
K |
Nominal |
12.5 |
K |
Grade A |
Max |
12.715 |
K |
Grade A |
Min |
12.285 |
K |
Grade B |
Max |
12.85 |
K |
Grade B |
Min |
12.15 |
K1 |
Grade A |
Min |
8.6 |
K1 |
Grade B |
Min |
8.51 |
R |
Min |
0.8 |
S |
Max |
30 |
S |
Grade A |
Min |
29.67 |
S |
Grade B |
Min |
29.16 |