VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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Carbon Steel Truss Head Binding Post Screws for Book M6 Nickel Fastener
Binding Screw is combined with a male screw and a female screw and a truss head with slot or phillips drive for mating screw and flat head for male screw ; Normally , depth for female screw is same as the length of threaded length for mating screw , but sometimes, the threaded length for male screw is longer than the hole depth for secure more files .
Binding Screw is also known as Chicago Screw , Screw Post , Binding Post , Sex bolts
We recommend you measure your file thickness first to confirm the length of post so that binding screws can be operated smoothly .
Specificatiion
Normal specification for binding screws are from M2 to M8 based on standard .
Male thread diameter : M2 to M8
Male thread length : 10 to 50
Female overall length : 15 to 50
Finishing : Zinc
Material : Carbon Steel
More specification as following
| d | D | H | d1 |
| M2 | 4.5 | 1.2 | 4 |
| M2.5 | 5.7 | 1.5 | 4 |
| M3 | 6.9 | 1.9 | 5 |
| M3.5 | 8.1 | 2.2 | 5.5 |
| M4 | 9.4 | 2.5 | 6 |
| M5 | 11.8 | 2.8 | 7 |
| M6 | 14 | 3.7 | 8 |
| M8 | 17.8 | 4.8 | 10 |
Note : " L1 " is cnfirmed according to your request .
Material
We provide multiply materials for binding screws as aluminum , Carbon steel ,Stainless Steel and Plastic for various uses .
Application
Binding Screw are used to many fields like book binding industry ,finance fields and Medical area and so on .
Finish
We offer different finish as zinc , nickel ,brass ,Tin and black oxide for binding screws .
Features
● Great usefulness and adaptability
● Versatility
● Perfect corrosion resistance
● Assorted specification
● Harden Material
We offer many specifications for binding screws and we accept customization also , if you are interesting in our binding screws , please contact us by phone 86-769-82601418 or email us via group1@vedali.com .