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Home - News - BSW Self Tapping Metal Screws 4.8 Drywall Self Tapping Roofing Screws

BSW Self Tapping Metal Screws 4.8 Drywall Self Tapping Roofing Screws

September 2, 2021
Products Specification
ZINC, Plain, custom
Place of Origin
Brand Name
Model Number
Carbon Steel
4.8/ 8.8/ 10.9/ 12.9 Ect
Customized Size
Customized Colors
1000 Pcs
Client Request
Delivery time
Tianjin Port
Brand name

DIN 7500 (N) - 1995 Cross Recessed Countersunk Head Thread Rolling Screws

The screw is the use of the object's beveled circular rotation and friction of physics and mathematical principles, step by step fastening tools


1. Certification: ISO, ROHS, SGS
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.

latest company news about BSW Self Tapping Metal Screws 4.8 Drywall Self Tapping Roofing Screws  0

Thread Specification
M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
P Screw Pitch 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
b Min 25 25 25 38 38 38 38 38 38
dk Max 3.8 4.7 5.5 7.3 8.4 9.3 11.3 15.8 18.3
Min 3.5 4.4 5.2 6.94 8.04 8.94 10.87 15.37 17.78
k Max 1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
Slot Number 0 1 1 2 2 2 3 4 4


Packing & Shipping
latest company news about BSW Self Tapping Metal Screws 4.8 Drywall Self Tapping Roofing Screws  1
Package details:
1) Sample order, 20/25kg per carton with our logo or neutral package;
2) For Large orders, we can custom packaging;
3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;
4) According to customers' requirements.



1.How do you let me trust you?
We are a Golden supplier in Alibaba who do business for more than 5 years. You can make an order by Alibaba to us directly.

2.How about your price?
High-quality products with a reasonable price suitable for your market.

3.How do you control your quality?
We request a QC inspection for each batch of goods. And we can provide you inspection report and mill certificate if you want..

4.Could you provide free samples?
For new customers, We can provide free samples for standard fasteners. But the clients will pay the express charges. For regular customers, We will send you free samples and pay express charges by ourselves.

5.How about your delivery time?
Generally speaking, All the goods have stock with little quantity, we can delivery them with one week. If the quantity is 1-2container, we can give you with 30-45days.

6.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallet is about 900-960kg, We also can make the customer's logo on the cartons. Or we customized cartons according to customers' requirement, If you need small box packing, we can do according to your requirement.

7.What is your payment term?
We can accept T/T,LC for general order. For new customer, we request 20%-50% T/T in advance, and balance payment should against B/L copy. For regular customer, we can provide delay payment after B/L date about 30-90 days