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Black Flat Head Male and Female Rivets Chicago Book Binding Screws
Description
Basic Info.
| Model NO. | Chicago screw |
| Production Capacity | 20000/Month |
Product Description
Post Metal Chicago Screws Binding Screw / brass book binding screw
Application | Book binding or leather binding |
Male screw diameter | 4mm or as request |
Female screw diameter | 5mm or as request |
Male screw length | 3.5mm,4mm,7.5mm |
Female screw Length | 2mm-150mm |
Head diameter | Head diameter |
Head drive | smooth or slotted |
Surface treatment | Brass/nickel/copper/black |
Packing | bag+carton+pallet |
1 . No burrs scratch2 . Smooth surface3 . Quick operation4 . Good security5 . Environmental protection .6 . Not easy to be rusted .
Binding post screw is a combination of male screw and female screw,male screw with outside thread rod and female screw with inside threaded hole , both items can be fasten the workpieces .Binding post screws are also known as Chcargo screws or sex bolts and male female screws , normally secure official paper or files.the hole depth can be adjusted .
Tip for use
1. The thread moving direction is from right to left to drill into workpiece , and back out in reverse direction.2. Do not use a sharp tool or bladed tool to drive the screws .3. Do not scratch the screw in harden something in order to keep bright surface .4. Keep screws in the dry warehouse
1. 4kgs each bag and 4 bags each carton2. packed in box and then carton3. 20 tons usually each 20ft container4. Customization is available
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