Grade 10.9 hex flange bolts are commonly used in industries like construction, automotive, and machinery, where durability and performance matter the most. They feature a hex flange for added stability during installation.
At Befast, we provide Grade 10.9 Hex Flange Bolts with a superior finish, ensuring corrosion resistance and long-term performance. Our high-strength bolts are manufactured to meet ISO standards and are available in bulk to meet large-scale requirements.
Name | Hex Flange Bolts | Materials | Carbon Steel/Stainless Steel |
Standards | DIN ISO ANC BSW JIS etc. | Strength level | 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80 |
Size | M3-M50 | Surface finish | ZPHDGBLACKDacromet etc. |
Length | 15-500 | Samples | Available |
Thread specification | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | ||||
d | ||||||||||||
P | pitch | coarse teeth | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | ||
fine teeth 1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||||
fine teeth 2 | / | / | / | 1 | 1.25 | / | / | / | ||||
b | L≤125 | 16 | 18 | twenty two | 26 | 30 | 34 | 38 | 46 | |||
125<L≤200 | / | / | 28 | 32 | 36 | 40 | 44 | 52 | ||||
L>200 | / | / | / | / | / | / | 57 | 65 | ||||
c | minimum | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |||
d a | Type A | maximum value | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 | ||
Type B | maximum value | 6.2 | 7.4 | 10 | 12.6 | 15.2 | 17.7 | 20.7 | 25.7 | |||
dc | maximum value | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 | |||
ds | maximum value | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |||
minimum | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 | ||||
of u | maximum value | 5.5 | 6.6 | 9 | 11 | 13.5 | 15.5 | 17.5 | twenty two | |||
dw | minimum | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |||
and | minimum | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | 23.15 | 29.87 | |||
f | maximum value | 1.4 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | |||
k | maximum value | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 | |||
k 1 | minimum | 2 | 2.5 | 3.2 | 3.6 | 4.6 | 5.1 | 5.8 | 6.8 | |||
r 1 | minimum | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | |||
r 2 | maximum value | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1 | 1.2 | |||
r 3 | minimum | 0.1 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | |||
r 4 | ≈ | 3 | 3.4 | 4.3 | 4.3 | 6.4 | 6.4 | 6.4 | 8.5 | |||
s | max = nominal | 8 | 10 | 13 | 15 | 16 | 18 | twenty one | 27 | |||
minimum | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 | ||||
t | maximum value | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.45 | 0.5 | 0.65 | |||
minimum | 0.05 | 0.05 | 0.1 | 0.15 | 0.15 | 0.2 | 0.25 | 0.3 | ||||
thread length b | - | - | - | - | - | - | - | - |
Befast’s Grade 10.9 Hex Flange Bolts are engineered for strength and reliability, making them ideal for demanding environments. With a tensile strength of up to 1040 MPa, these bolts provide excellent load-bearing capacity and are resistant to deformation under heavy stress.
Our production process ensures precise dimensions and high-quality material, backed by rigorous quality control. Whether you need to reduce maintenance costs or improve operational efficiency, Befast’s Grade 10.9 Hex Flange Bolts deliver performance you can count on.