DIN 931 Hex Head Bolts with Partial Thread
Bystrong understands all your needs for high-quality DIN 931 hex bolts. We are a specialized bolt manufacturing company offering high-quality DIN 931 partially threaded bolts. We are also capable of providing you with excellent service. If you believe Bystrong is the reliable manufacturer you are looking for, please send us your further questions immediately.
- Customizable sizes and colors
- Surface coatings available (including nickel plating, blue-white zinc, Dacromet, black oxide, colored zinc, etc.)
- Material certification provided
- Full range of certifications held (including environmental and quality management systems)
- Performance grades ranging from 4.8 to 12.9
- Low minimum order quantity (starting at 100 pieces)
Use Bystrong Hex Bolts to Delight Your Customers
DIN 931 Hex Bolt with Partial Thread
DIN 931 German Standard partially threaded hex head bolts feature excellent shear resistance in the smooth shank section and are available in a variety of strength grades.
Yellow Zinc DIN 931 Hex Screw
DIN 931 with yellow zinc plating (golden-yellow); offers superior salt spray resistance compared to white or blue-white zinc plating; available in strength classes 8.8 and 10.9.
DIN 931 Hex Screw with Blue & white zinc
Bystrong is a fastener manufacturing company dedicated to supplying high-quality DIN 931 Hex Screws. They feature a blue-white zinc finish and offer moderate salt spray resistance.
HDG DIN 931 Hex Bolt
Bystrong supplies DIN 931 fully threaded hex bolts featuring a hot-dip galvanized (HDG) finish. This coating is thick and offers exceptional corrosion resistance, making the bolts suitable for highly corrosive environments such as outdoor, bridge, and marine applications.
Grade 8.8 DIN 931 Bolt M10
Property class 8.8; material is medium-carbon steel subjected to quenching and tempering; tensile strength is 800 MPa, and yield strength is 640 MPa.
Grade 10.9 DIN 931 Bolt
DIN 931 Grade 10.9 hex head bolts with partial threading and a tensile strength of 1040 MPa. Bystrong is renowned for superior quality. You can rely on us.
Carbon Steel DIN 931 Bolt
Carbon steel bolts offer the best cost-performance ratio; you can always rely on Bystrong as your premier manufacturer and supplier of a wide range of bolts.
Black Hex Cap Screw
Bystrong black hex cap screws are manufactured using high-quality materials and high-standard cold-heading machines.
Table 1
| (mm) | P | da max | ds max | ds min | e min | k max | k min | r min | s max | s min |
|---|---|---|---|---|---|---|---|---|---|---|
| M1.6 | 0.35 | 2.0 | 1.6 | 1.46 | 3.41 | 1.22 | 0.98 | 0.10 | 3.20 | 3.02 |
| M2 | 0.40 | 2.6 | 2.0 | 1.86 | 4.32 | 1.52 | 1.28 | 0.10 | 4.00 | 3.82 |
| M2.5 | 0.45 | 3.1 | 2.5 | 2.36 | 5.45 | 1.82 | 1.58 | 0.10 | 5.00 | 4.82 |
| M3 | 0.50 | 3.6 | 3.0 | 2.86 | 6.01 | 2.12 | 1.88 | 0.10 | 5.50 | 5.32 |
| M3.5 | 0.60 | 4.1 | 3.5 | 3.32 | 6.58 | 2.52 | 2.28 | 0.10 | 6.00 | 5.82 |
| M4 | 0.70 | 4.7 | 4.0 | 3.82 | 7.66 | 2.92 | 2.68 | 0.20 | 7.00 | 6.78 |
| M5 | 0.80 | 5.7 | 5.0 | 4.82 | 8.79 | 3.65 | 3.35 | 0.20 | 8.00 | 7.78 |
| M6 | 1.00 | 6.8 | 6.0 | 5.82 | 11.05 | 4.15 | 3.85 | 0.25 | 10.00 | 9.78 |
| M7 | 1.00 | 7.8 | 7.0 | 6.78 | 12.12 | 4.95 | 4.65 | 0.25 | 11.00 | 10.73 |
| M8 | 1.25 | 9.2 | 8.0 | 7.78 | 14.38 | 5.45 | 5.15 | 0.40 | 13.00 | 12.73 |
| M10 | 1.50 | 11.2 | 10.0 | 9.78 | 18.90 | 6.58 | 6.22 | 0.40 | 17.00 | 16.73 |
| M12 | 1.75 | 13.7 | 12.0 | 11.73 | 21.10 | 7.68 | 7.32 | 0.60 | 19.00 | 18.67 |
| M14 | 2.00 | 15.7 | 14.0 | 13.73 | 24.49 | 8.98 | 8.62 | 0.60 | 22.00 | 21.67 |
| M16 | 2.00 | 17.7 | 16.0 | 15.73 | 26.75 | 10.18 | 9.82 | 0.60 | 24.00 | 23.67 |
| M18 | 2.50 | 20.2 | 18.0 | 17.73 | 30.14 | 11.72 | 11.28 | 0.60 | 27.00 | 26.67 |
| M20 | 2.50 | 22.4 | 20.0 | 19.67 | 33.53 | 12.72 | 12.28 | 0.80 | 30.00 | 29.67 |
| M22 | 2.50 | 24.4 | 22.0 | 21.67 | 35.72 | 14.22 | 13.78 | 0.80 | 32.00 | 31.61 |
| M24 | 3.00 | 26.4 | 24.0 | 23.67 | 39.98 | 15.22 | 14.78 | 0.80 | 36.00 | 35.38 |
| M27 | 3.00 | 30.4 | 27.0 | 26.48 | 45.20 | 17.35 | 16.65 | 1.00 | 41.00 | 40.00 |
| M30 | 3.50 | 33.4 | 30.0 | 29.48 | 50.85 | 19.12 | 18.28 | 1.00 | 46.00 | 45.00 |
| M33 | 3.50 | 36.4 | 33.0 | 32.38 | 55.37 | 21.42 | 20.58 | 1.00 | 50.00 | 49.00 |
| M36 | 4.00 | 39.4 | 36.0 | 35.38 | 60.79 | 22.92 | 22.08 | 1.00 | 55.00 | 53.80 |
| M39 | 4.00 | 42.4 | 39.0 | 38.38 | 66.44 | 25.42 | 24.58 | 1.00 | 60.00 | 58.80 |
Table 2
| (mm) | P | da max | ds max | ds min | e min | k min | k max | r min | s max | s min |
|---|---|---|---|---|---|---|---|---|---|---|
| M68 | 6 | 75 | 68 | 67.26 | 110.51 | 42.5 | 43.5 | 2.0 | 100 | 97.8 |
| M72 | 6 | 79 | 72 | 71.26 | 116.16 | 44.5 | 45.5 | 2.0 | 105 | 102.8 |
| M76 | 6 | 83 | 76 | 75.26 | 121.81 | 47.5 | 48.5 | 2.0 | 110 | 107.8 |
| M80 | 6 | 87 | 88 | 79.26 | 127.46 | 49.5 | 50.5 | 2.0 | 115 | 112.8 |
| M90 | 6 | 97 | 90 | 89.13 | 144.08 | 56.4 | 57.6 | 2.5 | 130 | 127.5 |
| M100 | 6 | 107 | 100 | 99.13 | 161.02 | 62.4 | 63.6 | 2.5 | 145 | 142.5 |
| M110 | 6 | 117 | 110 | 109.13 | 172.32 | 68.4 | 69.6 | 2.5 | 155 | 152.5 |
| M125 | 6 | 132 | 125 | 124.00 | 200.57 | 78.4 | 79.6 | 2.5 | 180 | 177.5 |
| M140 | 6 | 147 | 140 | 139.00 | 220.80 | 87.3 | 88.7 | 2.5 | 200 | 195.4 |
| M160 | 8 | 167 | 160 | 159.00 | 254.70 | 99.3 | 100.7 | 2.5 | 230 | 225.4 |
- Carbon Steel
- Alloy Steel
- Inner packaging: Plastic wrap, bubble wrap, PE foam, EPE foam, PP bags, etc.;
- Outer packaging: Cartons, wooden crates, wooden pallets, etc.;
- Custom packaging: Logos or other content can be printed on the packaging;
- Port of shipment: Tianjin, Qingdao, Shanghai, Yiwu,or as per your requirements.
Bystrong: A Professional DIN 931 Hex Bolt Manufacturer
Bystrong is a manufacturer of DIN 931 bolts. Our experienced staff can manufacture your product perfectly. Bystrong can provide services such as wire drawing, cold heading, threading, surface treatment, and custom packaging for the bolts used in your project.
DIN 931 bolts are made from high-quality and durable raw materials. We offer a variety of surface treatments, including Dacromet, blue-white zinc plating, black oxide, and hot-dip galvanizing.
Bystrong is an ISO 9001-certified bolt supplier from China, manufacturing products in strict accordance with customer standards.
As one of China’s leading professional suppliers and manufacturers of DIN 931 bolts, we have a large inventory. We can perfectly meet all your needs.
Bystrong DIN 931 Hex Bolt
Bystrong is a leading, qualified supplier and manufacturer in China. We offer competitive pricing for fastener manufacturing. We have comprehensive options for sizes, materials, finishes, and customization.
We have been supplying high-quality DIN 931 partially threaded bolts for over 20 years. We have a professional team covering every aspect of the process, including supply, customer service, and global shipping.
For OEM/ODM clients, Bystrong offers services such as the production of corrosion-resistant DIN 931 bolts, cold heading, logo engraving, and custom packaging.
We have corrosion-resistant, durable DIN 931 bolts in a variety of colors that you can purchase. Bystrong’s high-standard, high-efficiency machinery is capable of manufacturing these types of fasteners.