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Carbon Steel Fastener Screws , Nickel Finish Truss Head Book Binding Screws

BBS1001

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Description

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Carbon Steel Fastener Screws , Nickel Finish Truss Head Book Binding Screws

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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 .

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Binding Screw is also known as Chicago Screw , Screw Post , Binding Post , Sex bolts

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We recommend you measure your file thickness first to confirm the length of post so that?binding screws can be operated smoothly .

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Specificatiion

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Normal specification for binding screws are from M2 to M8 based on standard .

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Male thread diameter : M2 to M8

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Male thread length : 10 to 50

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Female overall length : 15 to 50

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Finishing : Zinc

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Material : Carbon Steel

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More specification as following?

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- - - -
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 |
- - - -

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Note : & quot; L1 & quot; is cnfirmed according to your request .

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Material

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We provide multiply materials for binding screws as aluminum , Carbon steel ,Stainless Steel and Plastic for various uses .

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Application

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Binding Screw are used to many fields like book binding industry ,finance fields and Medical area and so on .

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Finish

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We offer different finish?as zinc?, nickel?,brass?,Tin?and black oxide for binding screws .

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Features

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● Great usefulness and adaptability

● Versatility

● Perfect corrosion resistance

● Assorted specification

● Harden Material

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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 .

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