Carbon Steel Hexagon Bolt Grade 4.8 M12 1/4 Silver Finish
Industrial Mechanical Use
Product Description:
This carbon steel hexagon bolt is designed with grade 4.8 steel for
general industrial and mechanical applications, providing a
reliable solution for equipment and machinery assembly. The M12
size with a 1/4-inch thread ensures a secure fit in various
fastening situations. The bolt’s silver finish enhances its visual
appearance and provides moderate corrosion resistance, making it
suitable for indoor industrial environments. Adhering to ASTM A193
and A194 standards, it ensures the bolt meets high-quality
specifications for strength and durability. This bolt is ideal for
use in mechanical equipment, motors, machinery, and structural
components where a strong, reliable connection is needed for
various light to moderate-duty applications.
Applications
1,Vibration Resistance
- Due to their strong structure and tight threading, hex bolts
offer excellent vibration resistance, making them suitable for
environments with heavy vibration or shocks, ensuring a secure
connection.
2,Resistant to Environmental Changes
- Stainless steel and galvanized hex bolts can withstand harsh
outdoor environments, including exposure to marine conditions and
chemicals. Their anti-corrosive and oxidation-resistant properties
provide long-lasting performance.
3,Aesthetic and Functional
- Hex bolts, especially stainless steel varieties, offer a smooth,
polished appearance, making them ideal for applications where
aesthetics matter, such as in architectural designs and decorative
structures.
Hex bolts are indispensable in various industrial and consumer
applications due to their strength, versatility, and ease of use.
They provide reliable and durable fastening solutions across
multiple sectors.
Generally required chromium content of 18% or more, nickel content
of 8% or more, because of its good corrosion resistance, heat
resistance and other advantages, often used in food processing,
storage and transport, or applied to agriculture, auto parts,
building materials, chemical industry, etc., is the most widely
used stainless steel, accounting for almost more than half of the
total production of stainless steel. 316 stainless steel generally
require chromium content of more than 16%, nickel content of more
than 10%, molybdenum content of more than 2%, nickel and
molybdenum, the two alloying elements of the proportion of the
enhancement, so that it has a better resistance to (acid)
corrosion, welding performance, and so on, and therefore have a
higher price, in the medical and surgical, fine industrial
components, etc. to play a greater use.
| No. | C% | Cr% | Ni % | Mo % |
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
The value of grade 4.8 and 8.8 is divided by performance, the
higher the value the better the performance. The difference between
grade 4.8 and 8.8 of bolts is as follows:
First, the difference and distinguish the way:
1, 4.8 grade commonly known as ordinary bolts, of which 8.8 grade
called high-strength bolts.
2, 8.8 grade bolts made of low-carbon alloy steel or medium-carbon
steel and heat-treated (quenched, tempered) 4.8 grade but not.
3, 4.8 grade bolts made of unprocessed round steel, the size is not
precise enough, shear connection deformation, but easy to install,
low production costs, mostly used for tensile connection or
installation of temporary fixation.8.8 grade bolts bolts made of
lathe processing, smooth surface, precise size, production and
installation of complex, high price, rarely used.
Second, according to the performance level of the bolt is divided
into 3.6, 4.8, 5.6, 5.8, 8.8, 9.8, 10.9, 12.9 eight grades.
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