Hot Products
0102030405
High-Quality External Hexagonal Bolts M8-M16 from China Suppliers - Reliable Factory Production
Thread Specifications — M10 to M24
| Thread specifications d |
M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
| P | Pitch | 1.50 | 1.75 | 2.0 | 2.0 | 2.5 | 2.5 | 2.5 | 3 |
| b | L≤125 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 |
| 125＜L≤200 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
| L＞200 | / | / | / | 57 | 61 | 65 | 69 | 73 | |
| ds | Max | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| Min | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | |
| e | Min | 19.68 | 22.58 | 25.94 | 29.3 | 32.66 | 36.96 | 39.2 | 44.8 |
| k | Max | 6.69 | 7.79 | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 |
| Min | 6.11 | 7.21 | 8.51 | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | |
| s | Max | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 |
| Min | 17.57 | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | |
| 1,000 pieces of steel weigh ≈ kg | - | - | - | - | - | - | - | - | |
Thread Specifications — M27 to M48
| Thread specifications d |
M27 | M30 | M33 | M36 | M39 | M42 | M45 | M48 | |
| P | Pitch | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| b | L≤125 | 60 | 66 | 72 | 78 | 84 | 90 | 96 | 102 |
| 125＜L≤200 | 66 | 72 | 78 | 84 | 90 | 96 | 102 | 108 | |
| L＞200 | 79 | 85 | 91 | 97 | 103 | 109 | 115 | 121 | |
| ds | Max | 27 | 30 | 33 | 36 | 39 | 42 | 45 | 48 |
| Min | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | 41.38 | 44.38 | 47.38 | |
| e | Min | 50.4 | 54.9 | 60.3 | 65.9 | 71.5 | 71.5 | 76.3 | 81.9 |
| Min | Min | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | 28.42 | 30.42 |
| Min | Min | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | 27.58 | 29.58 |
| s | Max | 46 | 50 | 55 | 60 | 65 | 65 | 70 | 75 |
| Min | 45 | 49 | 53.8 | 58.8 | 63.8 | 63.8 | 68.1 | 73.1 | |
| 1,000 pieces of steel weigh ≈ kg | - | - | - | - | - | - | - | - | |
External hexagonal bolts are a common type of mechanical fastener, mainly used for connecting and fixing mechanical equipment.
🔩 External Hexagonal Bolts Are Commonly Used For:
🔗
1. Connecting Components
The outer hexagonal bolt fixes multiple components together through the action of torque, forming a whole.
💪
2. Load Bearing
Due to its high-strength design, the outer hexagonal bolt can withstand large loads and shear forces, and is not easy to break or loosen, ensuring the firmness of the connection.
🔧
3. Easy Installation
No special fixtures or tools are required during installation, it can be completed with a wrench or wrench, and the installation speed is fast, which can improve production efficiency.
🏗️
4. Wide Application Range
External hexagonal bolts are suitable for various connection situations, such as heavy machinery, construction, and bridge engineering, and can meet various connection requirements.
❓ Frequently Asked Questions
Q
What are external hexagonal bolts used for?
External hexagonal bolts are widely used for connecting and fixing mechanical components in industries such as heavy machinery, construction, and bridge engineering. They provide strong, reliable connections capable of withstanding large loads and shear forces.
Q
What thread sizes are available for external hexagonal bolts?
External hexagonal bolts are available in a wide range of thread sizes, from M10 up to M48, covering various pitch and dimensional specifications to suit different engineering requirements.
Q
What tools are needed to install external hexagonal bolts?
No special fixtures are required. External hexagonal bolts can be easily installed using a standard wrench or socket wrench, making the installation process fast and efficient, which helps improve overall production efficiency.
Q
How does bolt length affect the thread engagement (b value)?
The thread engagement length (b value) varies depending on the total bolt length. For bolts with L≤125mm, L between 125mm and 200mm, or L>200mm, different b values apply. Longer bolts generally have a greater thread engagement length to ensure a secure connection.
Q
What is the pitch of M27 to M48 external hexagonal bolts?
For external hexagonal bolts ranging from M27 to M48, the thread pitch is uniformly 3mm across all sizes in this range, as specified in the standard dimensional table.
Q
Why are external hexagonal bolts preferred in heavy-duty applications?
Their high-strength design allows them to withstand significant loads and shear forces without breaking or loosening. Combined with their ease of installation and broad size range, they are a reliable and versatile choice for demanding applications including heavy machinery, construction, and bridge engineering.