Roofing screw self drill DIN 7504 hardened zinc plated assembled with epdm bounded sealing washer 

Product Feature:

1. DIN standard:

     7504K: Hex washer head self-drilling screw,/Hex flange self-drilling screw

     7504P: Countersunk head self-drilling screw

     7504N: Pan head self-drilling screw

2. Material: carbon steel(C1022), stainless steel

3. Surface treatment: zinc plated, Cr3+Cr6+Zinc plated, black, head colored dacromet, HDG etc.

4. Thread: AB Type , A type

5. Size: Dia3-6mm  Length10-254mm

6.Usage:Mainly used in light steel keel,iron panel,construction, decoration and roof

Advantage:

1. High hardness

2. High and low temperature resistant

3. Multicolor choose

4. Competitive Price

5. Superior Quality, TUV CERT ISO9001:2000 quality assurance

6. Artificial stone without any radiation

7. Punctual Delivery 

8. Supply free sample for you to check the quality

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Thank you for your visiting on our products. This is Jessie from China HuHao Company which is an 

industrial enterprise fixing on the production and sale since 1998.We are specializing in hardware products.Our main products include self drilling screw, drywall screw,chipboard screw, self 

tapping screw, nails, wire mesh and so on.We provide good quality,fast delivery and

satisfactory service. Warmly welcome your inquiry!