The M3 hex head bolt is a small but mighty piece of hardware that has made a huge impact on the manufacturing industry. With a diameter of only 3mm, this bolt is typically used in applications where space is at a premium and a strong, secure fastener is needed.
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Product Name |
M3 Hex Head Bolt |
Washer type |
External Hex | ||
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Material |
Alloy Steel |
exterior finishes |
brass |
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Color |
Black Oxide |
Size |
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MOQ |
5000M/Each size |
country of origin |
China |
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Payment |
T/T, other |
Packing |
As customer required |
Despite its small size, the M3 hex head bolt has a number of important features that make it an ideal choice for a wide range of applications. For starters, its hexagonal head allows it to be easily tightened or removed with the use of a wrench or pliers. This added level of torque means that it can be used to secure even very heavy and bulky objects, making it popular in construction and engineering.

In addition to its strength, the M3 hex head bolt is also highly durable, with a typically long lifespan that allows it to perform reliably even in harsh environments. This makes it an excellent choice for applications where exposure to corrosive elements or extreme temperatures is a concern.

Finally, the M3 hex head bolt is also very easy to install and replace, making it a popular choice with both professional contractors and DIY enthusiasts. Its small size and ease of use means that it can be quickly and easily integrated into a wide range of projects, from simple home repair tasks to large-scale commercial construction projects.


Overall, the M3 hex head bolt is a testament to the power of small but highly effective engineering solutions. Its durability, strength, and ease of use make it an invaluable tool for professionals and DIY enthusiasts alike, and it is sure to continue playing a vital role in the manufacturing industry for many years to come.
Q: What is your term of payment?
A: 30% down payment before producing and 70% balance payment before shipping.
Q: Which payment form you can accept?
A: T/T, Western Union, PayPal etc. We accept any convenient and swift payment term.
Q: Do you provide sample ? Is it free?
A: If the sample is low value, we will provide the free sample with freight collect. But for some high value samples, we need to collect the sample charge.
Q: What's your after-sale service?
A: Our quality warranty period is one year. Any quality problem will be solved to customer satisfactions.































