Factory supply black phosphated carbon steel 3.9x40 dry wall screw

  • 1-4 Boxes
  • >=5 Boxes
- + Boxes available
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
15 day(s) after payment received
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Quick Details
Place of Origin:
Shanghai, China
Brand Name:
Model Number:
GB /T 14210-1993
carbon Steel C1022
Product name:
drywall screw
Head type:
csk head screw
Surface treatment:
black phosphated
Self trapping
Thread type:
Metric system

Packaging & Delivery

Selling Units:
Single item
Single package size: 
30X30X20 cm
Single gross weight:
20.0 kg
Package Type:
Lead Time :
Quantity(Box) 1 - 1000 >1000
Est. Time(days) 15 To be negotiated
Product Overviews
Original of PlaceShanghai,China
MaterialCarbon steel ,C1022
StandardGB /T 14210-1993

Production Process

Cold Headingcold heading-heat treatment-surface treatment
Hot Forgingcutting-chamfering(tail)-hot forging-chamfering(head)-polishing-backspin-threading rolling-heat treatment-surface treatment
Packing Methold25KG per carton,36 cartons packed in one pallet,or 100/200/500/1000PCS per small box+carton box or accoring to customers' demands
Supply Ability2000 Tons per month
Minimum Order1000pcs for each specification
Delivery Time15-20 days after we receive the deposit
Payment TermT/T,L/C
Overseas Market
South&north America/Europe/East&South east Asia/ Australia and etc.
Purchasing Notice
Please let us know the size,quantity,material or Grade,surface,if it is special and non-standard products,please supply the drawings or photos or samples to us
Our Motto Customer First, Quality First!



Drywall Screws     
NumberspecificationsSurfaceMaterialPackagingQuantity (Piece)Weight
13.5*19Black phosphorusC1022300*300*1801200020KG
23.5*25Black phosphorusC1022300*300*180800020KG
33.5*32Black phosphorusC1022300*300*180600020KG
43.5*35Black phosphorusC1022300*300*180500020KG
53.5*40Black phosphorusC1022300*300*180450020KG
63.5*45Black phosphorusC1022300*300*180400020KG
73.5*50Black phosphorusC1022300*300*180350020KG
83.9*35Black phosphorusC1022300*300*180500020KG
93.9*40Black phosphorusC1022300*300*180450020KG
103.9*45Black phosphorusC1022300*300*180400020KG
113.9*50Black phosphorusC1022300*300*180300020KG
123.9*55Black phosphorusC1022300*300*180250020KG
134.2*40Black phosphorusC1022300*300*180450020KG
144.2*45Black phosphorusC1022300*300*180400020KG
154.2*50Black phosphorusC1022300*300*180300020KG
164.2*55Black phosphorusC1022300*300*180250020KG
174.2*60Black phosphorusC1022300*300*180200020KG
184.2*70Black phosphorusC1022300*300*180180020KG
Product Description

 Factory Photos

Factory Photos


Production Process


Company Information

Shanghai Fuqiang Standard Component Co.,ltd  is a 20 years manufacturer of fastener with well-equipped testing facilities and strong technical force.

Products Standard:GB, DIN, ASMI, ISO;

Products specifications: M3 – M100;

Products Grade: 4.8s, 8.8s, 10.9s, 12.9s ;

Prodcts Material: Q195, 35#, 40Cr, 35Crmo, SUS304, SUS316, A2-70,A4-80 and so on.

Main products: GB70, DIN7991, ISO4014,ISO4017,ISO7380, DIN931, hex head bolt DIN933; Steel structure with high strength large hexagon head bolts GB1228; DIN934, ISO4032,  nuts; T type head, Pan head, square head, countersunk head, set all kinds of non-standard bolts.

We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! 




Q1.What is your main products?
A1:Our main products are nonstandard parts, fasteners, stamping parts and machined parts.


Q2. How to ensure that every process's quality?

A2:Every process will be checked by our quality inspection department which insures every product's quality. In the production of products, we will personally go to the factory to check the quality of products.

Q3.How long is your delivery time?
A3:Our delivery time is generally 15 to 30 days. Or according to the quantity.

Q4. What is your payment method?
A4:30% value of T/T in advance and other 70% balance on B/L copy.
For small order less than 1000USD, would suggest you pay 100% in advance to reduce the bank charges.

Q5.Can you provide a sample?
A5:Sure, Our sample is provided after receiving the tooling cost and courier fees.

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