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Ningbo Transhow Screw Factory

Roofing Screw with Washer, Roofing Screws, Sheet Metal Roofing Screws manufacturer / supplier in China, offering Good Quality Zinc Plated Slotted Hex Head Roofing Screw, High Strength Grade 8.8 Elliptic Neck Track Bolt, Plastic Box Packed Nylon Lock Nut and so on.

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Good Quality Zinc Plated Slotted Hex Head Roofing Screw

FOB Price: US $1.2-2.6 / kg
Min. Order: 500 kg
Min. Order FOB Price
500 kg US $1.2-2.6/ kg
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Port: Ningbo, China
Production Capacity: 200 Tons Per Month
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: DIN 7504
  • Shape of Head: Hexagon
  • Certification: CE
  • Payment: T/T.L/C
  • Trademark: TS
  • Specification: 2.9-6.4
  • Material: Carbon Steel
  • Surface Finishing: Zinc Plated
  • Customized: Customized
  • Usage: Machinery
  • Transport Package: Bulk Packagin
  • Origin: Ningbo, China
Product Description

Good Quality Zinc Plated Slotted Hex Head Roofing Screw


Product Description

   Slotted hex head roofing screws 
   With EPDM washer 
  Hardened Steel color coated 
  Diameter from 2.9 to 6.4 
  Length 10 to 200 mm 

 Slotted Hex Head Roofing Screws

  Hex flange head

  with bonded EPDM washer SDS

  Hex flange head as pe DIN7504-K

 C1022/1035/1045 heat treated

 Pre-assemblied Steel/Aluminium +EPDM/Rubber washer

 Or other combination washers available.


Regular Sizes

3.5x15, 19, 25, 30mm

4.2x19, 25, 30 40, 50

4.8x19, 25, up to 60

5.5x30, up to 75

6.4x40, 50, 60 up to 100


ANSI inch specifications,

#6x3/4 up to 1-1/4

#8x3/4 up to 2

#10x3/4 up to 3

#12x1 up to 5

#14x1 up to 6 inch


Slotted or cross recess optional!

 Material: C1022 steel, stainless steel SS410

 Surface Treatment:

ZP or YZP, BZP, brass, bronze coated options

Full threaded drilling, double threaded


Packaging & Shipping

Standard master carton size 25x23x18 cm

Pallet size 100x80x82 cm  

Good Quality Zinc Plated Slotted Hex Head Roofing Screw



Optional Packages

Bag and Wooden Case Packing






Q1: Are you a manufacturer or trading company?

A: We are manufacturer for bolts, studs, rivets, pins, washers, stamping & tooling parts, we have long-term associated parteners that can provide wide range of fasteners.


Q2: What kind of material you used for producing the bolt?

A: We using carbon steels (low and medium carbon, alloy steels), stainless steel and brass.


Q3: Do you produce standard or non standard bolt?

A: We have regular production for ANSI and DIN standard bolts, while we also make customized bolts and stud


Q4: How to ensure that every process's quality?

A: We have our in-house QC daily and hire third party for randomly inspection.


Q5: Can you provide samples?

A: For our regular products, we offer free samples. For customized bolts, tooling and moulding charges need. All free samples not including its courier charge.



              Name : Jerry Zhang 

cell phone:  008618867873562 .  





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