Application Fields
In the construction of various mechanical equipment and structures, fasteners act like solid "bone joints" and play an indispensable role. And the hexagon socket head bolt, as a star member of the fastener family, is widely used and favored in the industrial field due to its unique design and excellent performance.
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Products Desc
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Hexagon Socket Cylinder Head Bolts
The head is cylindrical, which is the most common type of hexagon socket bolts. It has an extremely wide range of applications and is suitable for general mechanical assembly scenarios, such as mechanical equipment and electronic devices. -
Hexagon Socket Countersunk Head Bolts (Flat Cup Bolts)
The head is conical. After installation, the head can be embedded into the countersink of the connected part, with a flat surface that does not protrude from the connecting surface. -
Hexagon Socket Button Head Bolts (Round Cup Bolts)
The head is semicircular. After installation, the head slightly protrudes from the connecting surface, combining a certain degree of aesthetics and connection strength. -
Hexagon Socket Thin Head Bolts
The head height is relatively thin, suitable for occasions with limited installation space and strict requirements on head height, such as the interior of compact mechanical structures.
The head dimensions of hexagon socket cylinder head bolts are crucial for matching wrenches and fitting installation spaces, which include:
Head Diameter (d):
It refers to the outer diameter of the cylindrical head, which needs to match the mounting hole or tool space.
In metric standards, the head diameter is usually 1.5-1.6 times the thread diameter (for example, the head diameter of an M6 bolt is approximately 10mm, and that of an M8 bolt is about 13mm).
Head Height (k):
It is the axial height of the cylindrical head, which affects the force bearing of the bolt and the installation depth.
In metric standards, the head height is approximately 0.8-1 times the thread diameter (for example, the head height of an M6 bolt is about 6mm, and that of an M8 bolt is around 8mm).
Hexagon Socket Width Across Flats (s):
It is the distance between two opposite sides of the hexagon socket recess, which directly determines the specification of the required hexagon socket wrench and is one of the most critical head dimensions.
comparison of product parameters
| Products name | hexagon - socket head cap screws | Thread Specifications | M1.6, M2, M3 |
| Products model | Metric Threads | *Imperial Threads | GCRT-125EWCE |
| Head Dimensions | the head diameter of an M6 bolt is about 10mm, and that of an M8 bolt is about 13mm. | Bolt Length | M6×30 |
| Head Height | 220v,230v,100v,120v | Strength Grade | 4.8, 6.8, 8.8, 10.9, 12.9, |
| Rated capacity | 800/1000/1150/1275kg | 800/1000/1150/1275kg | 800/1000/1150/1275kg |
| Rated elevator speed | 0.63, 1.0, 1.6, 1.75m/s | 0.63, 1.0, 1.6, 1.75m/s | 0.63, 1.0, 1.6, 1.75m/s |
| Max shaft load | 3800kg | 3800kg | 3800kg |
| Applicable converter | 3 phase 400v | 3 phase 400v | 3 phase 400v |
| Rake current | 2*1.35A | 2*1.35A | 2*1.35A |
| Brake voltage | DC110V | DC110V | DC110V |
| Number of motor poles | 20 poles | 20 poles | 20 poles |
| Duty type | S5 40% | S5 40% | S5 40% |
| Single | 92*188 |
| King-Single | 107*203 |
| Double | 138*188 |
| Queen | 153*203 |
| King | 183*203 |
Hexagon socket bolts, as widely used fasteners in the mechanical field, play a role throughout multiple key links such as the connection, fixation, and positioning of mechanical structures. The details can be explained from the following aspects:
the connection between the bed and column of a machine tool, the cylinder block and cylinder head of an engine, and the splicing of reducer boxes all rely on the connecting function of hexagon socket bolts to ensure that components do not have relative displacement during operation.
Mechanical structures are subject to various loads (such as tension, pressure, torque, vibration, etc.) during operation. Hexagon socket bolts transmit loads between different components through their own strength and pre-tightening force, avoiding structural damage caused by excessive local stress.
High-strength hexagon socket bolts (such as grade 8.8 and 12.9) are particularly suitable for high-load scenarios: for example, the connection between the automobile chassis and the frame needs to bear the impact load when the vehicle is running
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why choose our products
Introduction to Our Fastener Manufacturer
With decades of expertise in the fastener industry, we stand as a trusted manufacturer and supplier dedicated to delivering high-quality, reliable fastening solutions for global clients. Our commitment to precision, innovation, and customer satisfaction has established us as a preferred partner across automotive, aerospace, construction, machinery, and electronics sectors.
Our Product Range
We offer a comprehensive portfolio of fasteners, including but not limited to:
Hexagon socket head cap screws (various grades: 4.8, 8.8, 10.9, 12.9)
Bolts & screws: Hex bolts, carriage bolts, machine screws, self-tapping screws
Nuts & washers: Hex nuts, lock nuts, flat washers, spring washers
Special fasteners: Customized parts per drawings (non-standard sizes, materials, or coatings)
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Our address
Yongnian District Industrial Park, Handan City, Hebei Province
Phone Number
+86 13383206915
meilin@ftyfastener.com
