Black Stainless Steel Book Screws Assembled Binding Post Bolts 1/4 Socket Head
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- Supplier: Dongguan City Zhaoming Hardware Co. Ltd.
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Product Overview
Description
Black Stainless Steel Book Screws Assembled Binding Post Bolts 1/4 Socket Head
General Description
Stainless steel Book screw is a combination of male screw and female screw , it is also called binding post screw , chicargo screw , and sex bolt , male screw with outside thread rod and female screw with inside threaded hole , both items can be fasten the workpieces .black zinc finish is help to keep nice appearance and enhance corrosion proof .
Technical Data
Material
Stainless steel
Physical Properties
Hardness ( HV ) | 30 | Yield Strength ( Mpa ) | 205 | Elongation ( % ) | 40 |
Tensile Strength ( Mpa ) | 520 | Torque | 2 | Reduction Area ( % ) | 50 |
Specification
Thread diameter | 1/4 |
|
Thread Length | 15 | |
Pitch | 0.7 | |
Head Diameter | 10.5 | |
Head Height | 3.5 | |
Drive | Cross |
Optional ANSI Specification
| d | P | L |
| #0 | 80 | 3-5 |
| #1 | 64 | 4-8 |
| #2 | 58 | 4-10 |
| #3 | 48 | 5-12 |
| #4 | 40 | 5-15 |
| #5 | 32 | 8-20 |
| #6 | 32 | 8-25 |
| #7 | 24 | 8-30 |
| #8 | 24 | 10-30 |
| #10 | 20 | 10-60 |
| 1/4 | 18 | 15-80 |
| 5/16 | 16 | 20-100 |
| 7/16 | 14 | 30-200 |
Finish
Type | Thickness | Salty Spray Hours | RoHS / REACH |
Zinc | 5 | 96 | RoHS |
Product Features
1 . Easy to operation .
2 . Super corrosion proof
3 . High tensile strength
4 . Nice and smooth surface .
5 . Environmental protection .
6 . No burrs
Applications
Stainless steel book screws are used for official paper .
Tips for Use
1 . Use a cross screwdriver bit to drive binding pos book screws .
2 . The thread moving direction is from right to left to drill into workpiece , and back out in reverse direction .
3 . Do not use a sharp tool or bladed tool to drive the screws .
4 . Do not scratch the screw in harden something in order to keep bright surface .
5 . Keep screw in the dry warehouse .
Packing Details
 |  |  |
| In Bulk ( Bags + Carton )
Kgs / Bag : 1 Kgs / CTN : 10 L X W X H : 15 x 15 x 20 cm | Boxes ( Boxes + Carton )
Kgs / Box : 1 Kgs / CTN : 15 L X W X H : 25 x 25 x 20 cm | Pallets
Kgs / Pallet : 1000
L X W X H : 1 x 1 x 1.2 m |
Remark : Custom packing is acceptable . Above packings are reference only , items are showed in pictures maybe not described one .
Our Services
We are one of hardware spare parts manufacturers in China , we provide various metal and non-metal parts with standards and customizations , eg. Fastener Screws ( including Stainless steel screws ) , Spacers Washers , Fastener Nuts bolts , Fastener Pins , Fastener Rivets , Metal Stamping Parts , Metal Machined Parts , Plastic Injection molding Parts . and Fastener Tools . We trade with buyers , wholesalers and retailers from different countries . We accept OEM and ODM service as well . Please contact us if you have any enquiry
FAQ's
Q What is your production capacity ?
A. We are able to finish up to 2000 tons raw material every year , generally , one full 20 feet container ( about 20 tons) can be done in 20- 25 days .
Q.How long I can get samples for approval before placing order ?
A. Just in one week for new samples that need to be done in new tools , and we can deliver samples within 24 hours for exsiting samples once received your request .
Q.What are your popular payement menthods ?
A. T/T is our prior choose for all , of course , we are also accept L/C , Westunion , paypall .
Q. What products you produce ?
A. We are proudce different hardware spare parts , stamping part , plastic injeciton molding parts and fasteners like screws , bolt , nuts , pins , rivets and spacers washers etc ..
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