Screw Post Fit Hex Drive Socket Cap Bolt M3-M8


Delivery: Feb 29, 2024 - Mar 5, 2024


    SKU: va-spf Categories: ,


M3-M8 Screw Post Fit Hole Dia, Male Belt Buckle Binding Bolts Leather Fastener Carbon Steel



vadania hardware

How to choose size?
  • Please note that the Bolt length(L1) is fixed for M3-M8 to make sure the bolt can be fully screwed into the nut. The Nut thread depth(L3) is not the same as the L2. Please check detail on the size table.
  • If you need other length of the bolt to fix your special project thickness, please add the length you need in the order note, we can change for you for free.
  • For example, if your project thickness is 24mm, M3 size hole. The size only have M3-20mm or M3-25mm, you can choose M3-20mm size, and add a note for 8mm bolt, so that you can screw the bolt 4mm inside to achieve 24mm length.



This screw post is suitable for various DIY projects, leather crafts, clothing making, or as a fastener to connect two objects, such as thin photo albums, leather bags, wooden board connections, and more.


To install the screw post, make a hole between 0.5-1mm larger than the diameter of the female rod. Put the screw and nut on both sides of the locked object, and select the appropriate tool to lock it.


Ensure that the thickness of the locked object is less than the length of the screw rod + nut rod, or it will not be able to tighten properly.


The screw post features precision mechanical threads, is made of carbon steel material, and is finished with a zinc plating. It is high in hardness, durable, and can be used repeatedly.

Widely Application

The screw post is widely used in binding booklets, photo albums, leather goods, office products, furniture, DIY handicrafts, and other items. Some specific use cases include:

Binding Booklets

First, make a hole at a suitable position in the booklet, which is 0.5mm larger than the diameter of the nut rod of the binding bolts. According to the thickness of the booklet, select the screw corresponding to the length of the nut rod and insert the two ends into the holes to connect and lock.

Leather Goods

In leather goods, screw posts are used in belts, harnesses, leather bags, leather boots, and more. First, make a hole in the leather goods and insert the corresponding type of screw to lock. It is sturdy, convenient for disassembly, and maintenance.

Office Products, Furniture, DIY Handicrafts

Screw posts provide simple installation, disassembly, assembly, maintenance, and precise connection and locking force for various items.



VADANIA is a global hardware trading company. We have a mature production line and R&D technology. The company mainly focuses on residential drawer slides, industrial drawer slides, kitchen & household hardware and fittings, woodworking tools and vanlife accessory. VADANIA mainly targets Europe, America, Japan, Russia and other consumer markets. The brand was founded in 2015, and since then it has upheld the philosophy that “Safer and stronger hardware for better life”. Its business covers all over the world. Detail check brand story

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