#4-#14 Bugle Head Black Phosphated Drywall Screw

  • Model NO.: DIN7983
  • Type: Countersunk Head
  • Connection: Screw
  • Standard: DIN, ANSI, GOST
  • HS Code: 7318190000, 7318190000
  • Color: Black
  • Trademark: J R
  • Specification: Customized
  • Material: Carbon Steel
  • Groove: Cross
  • Head Style: Round
  • Grade: 8.8
  • Port: Shenzhen
  • Certication: ISO, RoHS, SGS
  • Transport Package: Plastic Bag+Chipboard Carton+Plywood Pallet
  • Origin: China
Product Description
1. Certification: ISO, ROHS, SGS 
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW 
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80 
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai 
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film. 
Product Name #4-#14 Bugle head black phosphated drywall screw
Material carbon steel
Color black
Grade 4.8/8.8/10.8/12.9
Finished black phospated
Thread coarse, fine
Used building industry machinery
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#4-#14 Bugle Head Black Phosphated Drywall Screw

#4-#14 Bugle Head Black Phosphated Drywall Screw
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#4-#14 Bugle Head Black Phosphated Drywall Screw
#4-#14 Bugle Head Black Phosphated Drywall Screw
Packing Details



Quality Control

#4-#14 Bugle Head Black Phosphated Drywall Screw
#4-#14 Bugle Head Black Phosphated Drywall Screw


Testing Equipment and ISO:9001 2008 System for Quality Assurance 

Optical filter instrument and hardness testing equipment are used for products

ISO9001:2008 System and ROHS Certificates for all processing

Q: Are you trading company or manufacturer ?

A: We are factory and OEM are available.

Q: How long is your delivery time?

A: Generally it is 7-10 days if the goods are in stock. or it is 15-20 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: 30% T/T in advance ,balance before shippment or L/C.
If you have another question, pls feel free to contact us as below:


"Hongsai" HS Series,have excellent performance of air-cooled chillers,can provide 3 ~ 30 °C,especially the low-temperature type machine can make the water temperature as low as -45°C.(Temperature difference does not exceed ±1°C).Industrial air-Cooled Chiller cooling capacity 1316~156245Kcal/h (compressor power 0.5-60HP),Each chiller is completely assembled in the factory,After pressure, vacuum, injection of refrigerants, oil injection, testing, inspection qualified before shipment.The chiller adopts the company's latest technological achievements:

Microcomputer control system, Hermetic compressor, noise control device, Unique melting technology, Painting process of polyester powder and so on.The air-cooled chiller is mainly used to cool the heating components of the equipment to ensure that the equipment operates normally at a constant temperature.Plastic processing machinery mold cooling  can greatly improve the surface finish of plastic products, reduce the surface marks and internal stress of plastic products, so that the product does not shrink, deformation, facilitate the release of plastic products, accelerate product set, thereby greatly improving the plastic molding Machine production efficiency; It is also suitable for the cooling of CNC machine tools, coordinate boring machine, grinding machine, machining center, combined machine tool and various types of precision machine tool spindle lubrication and hydraulic system transmission media cooling, can accurately control the oil temperature, effectively reduce the thermal deformation of the machine tool. Improve the accuracy of machine tools.It is also applicable to other industries such as electroplating industry, electronics industry, printing industry, chemical industry, hardware industry, food industry and pharmaceutical industry and so on.

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