Chicargo screws are named binding post screws as well , it is a
combined or assembled fastener for book application , a male screw
and a female screw , both are same thread specifications and truss
head to fasten papers when both screws are assembled .
Stainless steel chicargo screws are not easy to be rusted and more
easy to be operated as thread are not easy to be broken .
Material
Stainless steel
Specification
| Thread diameter | M6 |
| Thread length | 10 |
| Head diameter | 10.5 |
| Head length | 3.5 |
| Pitch | 1.0 |
More specifications
| M | k | s | e |
| 1.6 | 1.1 | 3.2 | 3.41 |
| 2 | 1.4 | 4 | 4.32 |
| 2.5 | 1.7 | 5 | 5.45 |
| 3 | 2 | 5.5 | 6.01 |
| 3.5 | 2.4 | 6 | 6.58 |
| 4 | 2.8 | 7 | 7.66 |
| 5 | 3.5 | 8 | 8.79 |
| 6 | 4 | 10 | 11.05 |
| 7 | 4.8 | 11 | 12.12 |
| 8 | 5.3 | 13 | 14.38 |
| 10 | 6.4 | 17 | 18.9 |
Note : Normally , chicargo screws are combined two screws , and
dimensions are based on standard requests.
Standaqrd
DIN 933
Finish
Polish
Physical Performance
| Tensile strength Mpa | 550 |
| Yeild strength Mpa | 205 |
| Hardness HV | 21 |
| Density g/cm3 | 7.93 |
| Elongation % | 42 |
Product characteristics
1 . Resistant corrosion
Stainless steel chicargo screws are more good than carbon steel on
corrosion resistance .
2 . Good adjustment function
Chicargo screws can be shorten or lengthen distance of fastening
via screwing male or female threads .
3 . Standard dimensions
Screws are made per standard request and stict tolerances .
4 . No burrs or scratch and bright surface
5 . Screws can be recyclable .
6 . Quick and easy installation
Installation
1 . Normally , female screws are used to support papers and
fastened by male screws .
2 . Not used for heavy duty applications .
3 . Make sure screws are located exactly to threaded hole centre of
female screws.
4 . Clean threads out before installation
Application
Stainless steel chicargo screws are often used to fasten papers in
officail items , they are also used to other similar products .
