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Tianjin Lituo Imp. & Exp. Co., Ltd.

Screw Wtih Hex Washer, Hex Head Screw, Roofing Screw manufacturer / supplier in China, offering DIN7504k Rubber Bonded Metal Washer Self Drilling Screws, High Quality Polished Common Wire Nails, Roofing Nails with Umbrella Head with Plain Shank and so on.

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DIN7504k Rubber Bonded Metal Washer Self Drilling Screws

FOB Price: US $12-15 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $12-15/ Ton
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Port: Tianjin, China
Production Capacity: 600mt/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: DIN7504K
  • Shape of Head: Hexagon
  • Certification: SGS
  • Product Name: Hex Head Self Drilling Screw
  • Package: at Your Request
  • Length: 16-200mm
  • Transport Package: 1000pieces/Box, 25kg/Carton
  • Origin: Tianjin, China
  • Material: Carbon Steel
  • Surface Finishing: Zinc Plated
  • Customized: Customized
  • Size: 4.2-6.3mm
  • Finishing: White Zinc Plated
  • Trademark: LITUO or printe the label that you require
  • Specification: DIN
  • HS Code: 7318120090
Product Description
Hex washer head self drilling screws
Tianjin Lituo Imp&Exp Co., Ltd is the new star in fastener industry. Our popular products include: Common wire nail, concrete nail, umbrella head roofing nail, duplex nail, coil common nail, aluminium blind rivets, and drywall screws, chipboard screws, self drilling screws, self tapping screws with hex head, pan head, etc.

We have clients all over the world, USA, Russia, Austrilia, Ukraine, UAE, South Africa, Brazil, Chile, Singapore, Malaysia etc, the list is endless.


Hexagon head self drilling screws
Size: 4.2mm to 6.3mm, From #8 to #14
Length: From 13mm to 152mm From 1/2' to 6'
Mareial: C1022a
Surface Treatment: Zinc, yellow zinc
Madel Number/Standard: DIN7504K
Head: Hex head
Point: Drill point

Main Dimensions

# 12 X 40
#8*15# 12 X 50
#8*19# 12 X 57
#10*16# 12 X 60
#10*19# 12 X 65
#10*22# 12 X 75
#10*25# 12 X 85
# 12 X 90
# 12 X 20#12*115
# 12 X 25#12*125
# 12 X 30 # 14 X 25

Picture of product

DIN7504k Rubber Bonded Metal Washer Self Drilling Screws
Color printing head and bonded rubber steel washer 
DIN7504k Rubber Bonded Metal Washer Self Drilling Screws
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DIN7504k Rubber Bonded Metal Washer Self Drilling Screws
Brazil Hex head Flange self drilling screws
DIN7504k Rubber Bonded Metal Washer Self Drilling Screws

DIN7504k Rubber Bonded Metal Washer Self Drilling Screws

* Our output of the drywall screws is over 500 tons per month.

* Equipment quantity

Thread making machine: 17sets
Head making machine: 25 sets
Drill making machine: 5 sets
Drii cutting machine: 5 sets
We also have ourselve's galvanization producing line.

If you are interested in our products, pls feel free to contact me:


Carbon Steel, Stainless Steel 304, Stainless Steel316, Alloy Steel Copper and so on.

Production Standard

DIN, ISO, ANSI, ASME, BS, AS, JIS and non-standards

Production Process

Cold Heading

Cold heading→Heat treatment→Surface treatment

Hot Forging

Cutting→Chamfering(tail)→Hot Forging→Chamfering(head)→
Polishing→Backspin→Threadind Rolling→Heat treatment→Surface treatment

Surface Treatment

Plain, Black oxidized, Zinc Plated (white, yellow, blue),Hot Dip Galvanized, Dacromet, Chrome

Packing Method

25kg per carton, 36 cartons packed in a pallet , or 100/200/500/1000PCS Per Small Box +carton box or according to your demands

Supply Ability

300 tons per month

Minimum Order

600kgs for each specification

Delivery Time

15-45 days after we receive the deposit

Payment Term

T/T  L/C   D/P  Western Union  and so on


South&north Amrica/Europe/East&South east Asia/ Australia and ect.



Tianjin Lituo Imp&Exp Co., Ltd

Address No13, Guiyuan Road, Huayuan Industrial Area, Nankai District, Tianjin, China
Postcode 300384
Telephone +86-022-58055273
Fax +86-022-23857022
Mobile/whatsup +86 15022695271
1.Item nameself screw drillings hex washer head 
5.Surface treatmentwhite,blue,yellow zinc plated
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