Square Drive Robertson Wood Screws Flat Head Steel Fastener Galvanized Twinfast Threads Screws 4.8 X 50
- Category: Screws >>>
- Supplier: Dongguan City Zhaoming Hardware Co. Ltd.
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Product Overview
Description
Square Drive Robertson Wood Screws Flat Head Steel Fastener Galvanized Twinfast Threads Screws 4.8 X 50
General Description
Flat head robertson wood screws are called square head wood screw , are made of harden carbon steel , square drive in head and wooden threads for wooden or plastic sharp point and wide threads distance for quick cutting material and perfect drilling performance
Technical Data
Material
Carbon steel
Physical Properties
Hardness ( HV ) | 45 | Yield Strength ( Mpa ) | 205 | Elongation ( % ) | 35 |
Tensile Strength ( Mpa ) | 320 | Torque | 3 | Reduction Area ( % ) | 50 |
Specification
Thread diameter | 4.8 |
|
Thread Length | 50 | |
Pitch | 1.2 | |
Head Diameter | 6.8 | |
Head Height | 3.5 | |
Drive | Square |
Optional ANSI specifications
| d | L |
| #0 | 2-5 |
| #1 | 5-10 |
| #2 | 3-10 |
| #3 | 5-10 |
| #4 | 5-15 |
| #5 | 5-20 |
| #6 | 8-25 |
| #7 | 8-30 |
| #8 | 10-50 |
| #9 | 10-60 |
| #10 | 15-80 |
| #12 | 20-100 |
| #14 | 30-150 |
Finish
Type | Thickness | Salty Spray Hours | RoHS / REACH |
Zinc | 5 | 24 | RoHS |
Product Features
1 .Harden material.
2. Easy to operation ..
3 . Harden material
4 . Resistant corrosion
5 . No burrs and scratch
6 . Environmental protection .
7 . Effective working .
8 . Long-service .
Applications
Robertson wood screws are normally used for wooden or plastic pieces .
1 ) Building .
windows , door etc .
2 ) Furniture .
sofa , wooden floor , wooden door and window and cabinet etc .
3 ) Plastic pieces .
Tips for Use
1 . Use a square wrench to drive wood 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 screws 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 : 0.5 Kgs / CTN : 10 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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