Product Details

High Quality Self Drilling Screw /

High Quality Self Driling Screw for Roofing Sheet /

Hex Head Self Drilling Screw

Self Drilling Screw Features:

1. Standard: DIN7504 SAE; J78;

2. Length: 19-250mm;

3. Dia.: 2.9-6.3mm;

4. Finishment:

1) white zinc, 2) yellow zinc, 3) blacking,

4) grey phosphor, 5) black phosphor, 6) gold brass,

7) plating nickel, 8) plating chrome, 9) electro phoresis,

10) darotized.

5. Material: 20MNTiB;

6. Finish: galvanzied grey phosphor, galvanized blueness, dacrotized;

7. Head tpye: HWH,HFH,PAN HEAD,FLAT HEAD,BUGLE HEAD, and etc.

8. Apply to: steel frame, steel work, high buildig, multi-story building,

plant, highway, railway, and etc.

If you want to buy from us, please tell us following,

1. what finishment for screw,

2. hex size and type,

3. length of screw thread,

4. with washers or not,

5. color of zinc coated,

6. quantity of order,

7. special packaging,

8. other requirements.

Buy more, get more discount.

Packaging:

Our Services

FAQ

1. Q: Are you manufacture or trrading company?
A:We are manufacturer & exporter who signed in 2004, and our boss has many years experiences in machinery.

2. Q: Why should I choose you?
A:We are professional manufacture company that could provide the best products for the best price, high quality of services, and credible quality assurance.

3.  Q: How does your factory conduct Quality Control and Inspection?
A: We are quite proud of our quality control procedure. It's comply with ISO quality system to control produce from the raw materials received to finishing warehousing. Any imperfect articles are rejected by our quality control.

4.  Q: How many kinds of products do you produce?
A: We have produced different kinds of Steel Roof Tile Roll Forming Machine, Corrugated Steel Sheet Roll Forming Machine, C/Z Purlin Roll Forming Machine, Steel Deck Roll Forming Machine, Slitting Line, Cut to Length Line, Press Brake, Shearing Machine, PPGI ,Gi ,PPGL ,Gl, Aluminum Coil. And we also can provide its finished products.

5.   Q: Where is your factory located? How can I visit there?
A: Our factory is located in TongXiang, ZheJiang province. We could pick you up from HangZhou East Railway Station or TongXiang Railway Station when you come.

   Please feel free to contact me for more up-date information and any queries you have. Best quality machines and services will be provided for you.