5.5 x 25 din 7504k hexagon head self drilling screws

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  • 100000 - 499999 Pieces
  • >=500000 Pieces
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Quick Details
Place of Origin:
Zhejiang, China
Brand Name:
Model Number:
Drilling Screw
ANSI, DIN , ANSI/ASME, BS, GB, JS, Non-standard.
Product name:
self tapping screw , self drill screw , roofing screw
Carbon steel,stainless steel ,1022A
M3.5-M6.3 , #6-#14
16mm-175mm , 5/8"-7" inch
Surface treatment:
Znic Plated ,blue white zinc , yellow zinc
Head type:
hex head , round head , flat head , pan head
small box , poly bag , bulk cartons with pallets
Customized Degin ,OEM service
Supply Ability
Supply Ability:
300 Ton/Tons per Month
Packaging & Delivery
Packaging Details
self drilling screw & self tapping screw packing : small box , poly bag , bulk cartons , last with pallets according to customer different demands to do different packing . Offer white box , brown cartons , colored box and cartons .
Picture Example:
Product Description

1. Material : steel 1022A , hardend , zinc plated 

2. Size: #7 - #14

3. Packing : colored or brown cartons or by customer demands  

4.  Quality : work 5mm iron board within 4 seconds 

Product Name
drill screw , self drilling screw , roofing screw 
carbon steel  1022A ,  stainless steel
blue-white zinc , white zinc , yellow zinc  
M3.5-M6.3, 6#-14#
11mm-175mm, 5/8'-7' inch 
Surface finish
wax, zinc plated, trivalent chromium blue white zinc, brass plated, phosphate, mechanical zinc, hot-dip galvanized, dacromet
Thread Code
full thread and half thread
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under head , window screw #7-#10 size .

Truss head 

Truss head self drilling screw , #8 4.2mm  (13-50mm length ). 

Our Company


Our Factory , 100% true manufacture , more than 15 years . 

Workshop 01

Our Workshop , make screws head 

Workshop 02

Our Workshop , make finished screws 

Our packing 

Packing with cartons and pallets 

Packing & Delivery

Packing Details  : Packing : small box , poly bag , bulk cartons 

Delivery Details :  15-60 days after confirmed the order 

Self tapping screw 
Self drilling screw 
Kinds of screw 
1. small box packing 
2. Bulk cartons packing 
3. Last in pallets loading container 
More types of screw

Company Info 

Zhejiang Tianyuan Metal Products Co.,Ltd set up in Mar.2007,our workshop covers 10100 square meters ,which locates in Fangjiadai Road ,Daqiao Industrial Zone,Haiyan,Jiaxing City with beatiful scenes and convenient transportation.

Our company focus on the development/producing and selling of fasteners and metal parts.Fastners cover DIN,GB,JIS,ANST,BSW etc. 

Mainly manufacture self drilling screw, roofing screw,  self tapping screw , stainless steel screw , machine screw ,wood screw, chipboard screw , rivet screw,nut,rivet nut, closet bolts, processing non-standard parts. Our products are being exported to the USA,Cannada,Brazil,EU,The South East Country/Israel etc. Annual exporting value reaches 5million USD. 

More info


Main produce self drilling screw , self tapping screw and non-standard screws .  Each month 300 tons productivity , main export to American , middle east , European , Asia market . 

Screws test 

We have good quality control the all the screws products , test drilling screw work iron board , and control good quality . 


We have ISO9001-2008 quality certificates , CE ,ROHS . Environmental certificates . 


Q: Are you trading company or manufacturer ?

A: We are 100% factory manufacture of the screws ,  main produce self drilling screw , self tapping screw , stainless steel screw .

Q: How long is your delivery time?

A: Generally it is 7-15 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 10%-30% T/T in advance ,balance by copy of BL , or LC at sight . 
If you have another question, pls feel free to contact us as below:

Contact name :  Miss Carol        Job : Sales manager 

Mobile /what's app /we-chat :  0086 15005730249  

 Skype : carolxiaoshuang  

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