Payment Terms | L/C, T/T, Western Union, MoneyGram, D/P, D/A, |
Supply Ability | 30 tons per month |
Delivery Time | 10 days |
Packaging Details | 1000 pcs each bag , 5 bags each carton and 300 cartons each pallet . |
Material | Carbon steel |
Finish | Dacromet |
Thread | M5 |
Length | 30 |
Drilling Point | #2 |
Hardness | 450 HV |
Brand Name | VDL |
Certification | ISO 9001 |
Place of Origin | China |
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Product Specification
Payment Terms | L/C, T/T, Western Union, MoneyGram, D/P, D/A, | Supply Ability | 30 tons per month |
Delivery Time | 10 days | Packaging Details | 1000 pcs each bag , 5 bags each carton and 300 cartons each pallet . |
Material | Carbon steel | Finish | Dacromet |
Thread | M5 | Length | 30 |
Drilling Point | #2 | Hardness | 450 HV |
Brand Name | VDL | Certification | ISO 9001 |
Place of Origin | China | ||
High Light | screws and fasteners ,hardware fasteners |
1/4 Hex Washer Head Self Drilling Screws for Roofing Sheet Color Dacromet Fasteners
Hex washer head roofing screws are made of carbon steel with heat treatment , and hardness ups to HRC 35 , self tapping threads and sharp point for quick drilling roofing .
Washer head design make roofing screws are more easy to be secured and protect threads of screws to be rusted easily by water .
Roofing screws are plated in dacromet and meet RoHS requests on enviromental protection . Some times , roofing screws can be added a EPDM washer under head that diameter is bigger than head of roofing screws for more good proection .
Basic Features
1 . Quick drilling performance
2 . Harden material with good ductility
3 . Recyle use is workable
4 . Longer service with many years .
5 . Not easy to be rusted .
General Technical Data
![]() | Thread | M5 | |
Head diameter | 9.8 | ||
Head height | 5.0 | ||
Length | 30 | ||
Pitch | |||
Material | Carbon steel | Hardness | 35 HRC |
Finish | Dacromet | Torque | 8.5 |
Different specifications for different securing thickness when self tapping roofing screws drilling roofing sheet metal .
Size | EPDM OD | metal fastening range |
8-18 x 1/2 | 10 | 0.035-0.1 |
8-18 x 5/8 | 10 | 0.035-0.1 |
8-18 x 3/4 | 10 | 0.035-0.1 |
8-18 x 1 | 10 | 0.035-0.1 |
8-18 x 1-1/4 | 10 | 0.035-0.1 |
8-18 x 1-1/2 | 10 | 0.035-0.1 |
8-18 x 2 | 10 | 0.035-0.1 |
10-16 x 1/2 | 12.7 | 0.035-0.176 |
10-16 x 5/8 | 12.7 | 0.035-0.176 |
10-16 x 3/4 | 12.7 | 0.035-0.176 |
10-16 x 1 | 12.7 | 0.035-0.176 |
10-16 x 1-1/4 | 12.7 | 0.035-0.176 |
10-16 x 1-1/2 | 12.7 | 0.035-0.176 |
10-16 x 2 | 12.7 | 0.035-0.176 |
10-16 x 3 | 12.7 | 0.035-0.176 |
RFQ
Q.How long I can get samples for approval before placing order ?
A. Normally one week for custom screws , and we can deliver samples within 24 hours for standard screws or stock once received your request .
Q How many days dispatch goods after placed orders ?
A Generally , one week for popular screws under 2 tons , final delivery is subject to requests on screws , packing and or other deamnds from you .
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 manufacture various hardwares like fasteners screws , nuts , bolts , pins , rivets and custom metal stamping parts and plastic injeciton molding products .
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2000
Total Annual:
2000,000-3500,000
Employee Number:
50~120
Ecer Certification:
Verified Supplier
With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demand... With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demand...
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