As a global supplier of customized fastening solutions, AYA's senvice process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
Product Description
Product Name |
Bolt With Half Thread |
Also Named |
Hex Bolt Half Thread |
Material |
Steel |
Standard |
DIN 931 |
Property Class |
4.6、4.8、5.6、5.8、6.8、8.8、9.8、10.9、12.9 |
Diameter |
M1.6/ M2/ M2.5/ M3/ (M3.5)/ M4/ M5/ M6/ (M7)/ M8/ M10/ M12/ (M14)/ M16/ (M18)/ M20/ (M22)/ M24/ (M27)/ M30/ (M33)/ M36/ (M39)/ M42/ (M45)/ M48/ (M52)/ M56/ (M60)/ M64/ (M68)/ M72/ (M76)/ M80/ M90/ M100/ M110/ M125/ M140/ M160 |
Finish |
Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type |
Hexagon Head |
Drive Type |
External Hex |
Thread Type |
Coarse Thread, Partial Thread |
Dimensions Table
Screw Thread d |
M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | ||
P | Thread Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | |
b | Ref. | L≤125 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 |
125<L≤200 | - | - | - | - | - | - | 22 | 24 | ||
L>200 | - | - | - | - | - | - | - | - | ||
c | min | 0.1 | 0.1 | 0.1 | 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 | ||
da | max | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | |
ds | max=nominal size | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | |
min | Grade A | 1.46 | 1.86 | 2.36 | 2.86 | 3.32 | 3.82 | 4.82 | 5.82 | |
Grade B | - | - | - | - | - | - | - | - | ||
dw | min | Grade A | 2.4 | 3.2 | 4.1 | 4.6 | 5.1 | 5.9 | 6.9 | 8.9 |
Grade B | - | - | - | - | - | - | - | - | ||
e | min | Grade A | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 |
Grade B | - | - | - | - | - | - | - | - | ||
k | Nominal Size | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | |
Grade A | min | 0.98 | 1.28 | 1.58 | 1.88 | 2.28 | 2.68 | 3.35 | 3.85 | |
max | 1.22 | 1.52 | 1.82 | 2.12 | 2.52 | 2.92 | 3.65 | 4.15 | ||
Grade B | min | - | - | - | - | - | - | - | - | |
max | - | - | - | - | - | - | - | - | ||
k1 | min | 0.7 | 0.9 | 1.1 | 1.3 | 1.6 | 1.9 | 2.28 | 2.63 | |
r | min | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | |
s | max=nominal size | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | |
min | Grade A | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | |
Grade B | - | - | - | - | - | - | - | - | ||
Screw Thread d |
(M7) | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | ||
P | Thread Pitch | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | |
b | Ref. | L≤125 | 20 | 22 | 26 | 30 | 34 | 38 | 42 | 46 |
125<L≤200 | 26 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | ||
L>200 | - | - | 45 | 49 | 53 | 57 | 61 | 65 | ||
c | min | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.2 | 0.2 | 0.2 | |
max | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | ||
da | max | 7.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | |
ds | max=nominal size | 7 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |
min | Grade A | 6.78 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | |
Grade B | - | - | - | - | - | 15.57 | 17.57 | 19.48 | ||
dw | min | Grade A | 9.8 | 11.6 | 15.6 | 17.4 | 20.5 | 22.5 | 25.3 | 28.2 |
Grade B | - | - | - | - | - | 22 | 24.8 | 27.7 | ||
e | min | Grade A | 12.12 | 14.38 | 18.9 | 21.1 | 24.49 | 26.75 | 30.14 | 33.53 |
Grade B | - | - | - | - | - | 26.17 | 29.56 | 32.95 | ||
k | Nominal Size | 4.8 | 5.3 | 6.4 | 7.5 | 8.8 | 10 | 11.5 | 12.5 | |
Grade A | min | 4.65 | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.28 | 12.28 | |
max | 4.95 | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.72 | 12.72 | ||
Grade B | min | - | - | - | - | - | 9.71 | 11.15 | 12.15 | |
max | - | - | - | - | - | 10.29 | 11.85 | 12.85 | ||
k1 | min | 3.19 | 3.54 | 4.28 | 5.05 | 5.96 | 6.8 | 7.8 | 8.5 | |
r | min | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | |
s | max=nominal size | 11 | 13 | 17 | 19 | 22 | 24 | 27 | 30 | |
min | Grade A | 10.73 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.67 | 29.67 | |
Grade B | - | - | - | - | - | 23.16 | 26.16 | 29.16 | ||
Screw Thread d |
(M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | ||
P | Thread Pitch | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | |
b | Ref. | L≤125 | 50 | 54 | 60 | 66 | 72 | 78 | 84 | 90 |
125<L≤200 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | 96 | ||
L>200 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | 109 | ||
c | min | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | |
max | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | ||
da | max | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | 45.6 | |
ds | max=nominal size | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | |
min | Grade A | 21.67 | 23.67 | - | - | - | - | - | - | |
Grade B | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | 41.61 | ||
dw | min | Grade A | 30 | 33.6 | - | - | - | - | - | - |
Grade B | 29.5 | 33.2 | 38 | 42.7 | 46.6 | 51.1 | 55.9 | 60.6 | ||
e | min | Grade A | 35.72 | 39.98 | - | - | - | - | - | - |
Grade B | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | ||
k | Nominal Size | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | 26 | |
Grade A | min | 13.78 | 14.78 | - | - | - | - | - | - | |
max | 14.22 | 15.22 | - | - | - | - | - | - | ||
Grade B | min | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | |
max | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | ||
k1 | min | 9.6 | 10.3 | 11.7 | 12.8 | 14.4 | 15.5 | 17.2 | 17.9 | |
r | min | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1.2 | |
s | max=nominal size | 32 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | |
min | Grade A | 31.61 | 35.38 | - | - | - | - | - | - | |
Grade B | 31 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | ||
Screw Thread d |
(M45) | M48 | (M52) | M56 | (M60) | M64 | (M68) | M72 | ||
P | Thread Pitch | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | 6 | 6 | |
b | Ref. | L≤125 | 96 | 102 | - | - | - | - | - | - |
125<L≤200 | 102 | 108 | 116 | 124 | 132 | 140 | 148 | 156 | ||
L>200 | 115 | 121 | 129 | 137 | 145 | 153 | 161 | 169 | ||
c | min | 0.3 | 0.3 | 0.3 | - | - | - | - | - | |
max | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
da | max | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 | 75 | 79 | |
ds | max=nominal size | 45 | 48 | 52 | 56 | 60 | 64 | 68 | 72 | |
min | Grade A | - | - | - | - | - | - | - | - | |
Grade B | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 | 67.26 | 71.26 | ||
dw | min | Grade A | - | - | - | - | - | - | - | - |
Grade B | 64.7 | 69.4 | 74.2 | 78.7 | 83.4 | 88.2 | 92.9 | 97.7 | ||
e | min | Grade A | - | - | - | - | - | - | - | - |
Grade B | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 | 110.51 | 116.16 | ||
k | Nominal Size | 28 | 30 | 33 | 35 | 38 | 40 | 43 | 45 | |
Grade A | min | - | - | - | - | - | - | - | - | |
max | - | - | - | - | - | - | - | - | ||
Grade B | min | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 | 42.5 | 44.5 | |
max | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 | 43.5 | 45.5 | ||
k1 | min | 19.3 | 20.9 | 22.8 | 24.2 | 26.2 | 27.6 | 29.8 | 31.2 | |
r | min | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 | 2 | 2 | |
s | max=nominal size | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | |
min | Grade A | - | - | - | - | - | - | - | - | |
Grade B | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 | 97.8 | 102.8 | ||
Screw Thread d |
(M76) | M80 | M90 | M100 | M110 | M125 | M140 | M160 | ||
P | Thread Pitch | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | |
b | Ref. | L≤125 | - | - | - | - | - | - | - | - |
125<L≤200 | 164 | 172 | 192 | - | - | - | - | - | ||
L>200 | 177 | 185 | 205 | 225 | 245 | 275 | 305 | 345 | ||
c | min | - | - | - | - | - | - | - | - | |
max | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||
da | max | 83 | 87 | 97 | 107 | 117 | 132 | 147 | 167 | |
ds | max=nominal size | 76 | 88 | 90 | 100 | 110 | 125 | 140 | 160 | |
min | Grade A | - | - | - | - | - | - | - | - | |
Grade B | 75.26 | 79.26 | 89.13 | 99.13 | 109.13 | 124 | 139 | 159 | ||
dw | min | Grade A | - | - | - | - | - | - | - | - |
Grade B | 102.1 | 106.9 | 121.1 | 135.4 | 144.9 | 168.6 | 185.6 | 214.1 | ||
e | min | Grade A | - | - | - | - | - | - | - | - |
Grade B | 121.81 | 127.46 | 144.08 | 161.02 | 172.32 | 200.57 | 220.8 | 254.7 | ||
k | Nominal Size | 48 | 50 | 57 | 63 | 69 | 79 | 88 | 100 | |
Grade A | min | - | - | - | - | - | - | - | - | |
max | - | - | - | - | - | - | - | - | ||
Grade B | min | 47.5 | 49.5 | 56.4 | 62.4 | 68.4 | 78.4 | 87.3 | 99.3 | |
max | 48.5 | 50.5 | 57.6 | 63.6 | 69.6 | 79.6 | 88.7 | 100.7 | ||
k1 | min | 33.2 | 34.6 | 40.3 | 43.7 | 47.9 | 54.9 | 61.1 | 69.5 | |
r | min | 2 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | |
s | max=nominal size | 110 | 115 | 130 | 145 | 155 | 180 | 200 | 230 | |
min | Grade A | - | - | - | - | - | - | - | - | |
Grade B | 107.8 | 112.8 | 127.5 | 142.5 | 152.5 | 177.5 | 195.4 | 225.4 |
Product Details
Product Advantages
Advantages of Partially Threaded Bolt
1. The partially threaded bolt are often used in alternators, motor brackets and water pumps in the automotive industry, so it has high precision and extremely high holding force.
2. Bolt with half thread have retention at the tip of the thread.
3. Hex bolt Half Thread provide better resistance and alignment.
4. The unthreaded part gives the bolt excellent shear properties as there are no weak points that could lead to cracking or bending.
5. DIN 931 hex bolt can withstand greater shear force.
6. DIN 931 hex bolt dimensions are very varied, they can meet a variety of needs.
7. AYA can provide you with a variety of options to make the holding length of the hex head bolts with shank meet your needs.
8. AYA has rich experience in fastener field.
Quality Inspection
Every link in the production will be supervised by quality control personnel to ensure that the final product meets customer expectations.
Sophisticated testing instruments and experienced quality control personnel can provide customers with more accurate quality inspection reports.
Packaging & Container Loading
AYA's product packaging can not only provide very good protection to the product, but also improve the beauty of the product.
AYA provides custom labeling services.
Usage Scenarios
Why Choose AYA?
AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.
http://www.ayafasteners.com/