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Countersunk Head Self Tapping Drywall Screw Carbon Steel Grade 12.9 Black CSK

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Countersunk Head Self Tapping Drywall Screw Carbon Steel Grade 12.9 Black CSK

Name: Countersunk Head Self Tapping Drywall Screw Carbon Steel Grade 129 Black CSK
Brand: JIA SHAN
Price: 0.05 USD

Wholesale Countersunk Head Self Tapping Drywall Screw Carbon Steel Grade 12.9 Black CSK from china suppliers

Place of Origin : China

MOQ : 10pcs

Price : 0.05USD-0.15USD

Supply Ability : 50000 pcs a week

Delivery Time : 15days

Packaging Details : Plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film.

Brand Name : JIA SHAN

Name : Metal Screw

Standard : DIN,ASME,ASNI,ISO

Material : Steel,Stainless steel,Brass,Copper,Titanium Alloy,,Plastic

Finish : Polish,Passication,black ,galvanization,Chromate,Dacromet

Certificate : ISO9001:2008,ROHS

Used : Building Industry Machinery

Thread Type : Coarse, Fine

Usage : Fastening

Function : Connection,Fastening and Decoration

Strength : High

Size : Various sizes available

Measurement System : INCH,metric system

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Grade 12.9 Black CSK Countersunk Head Self Tapping Drywall Screw Carbon Steel

Product Specifications

Attribute	Value
Name	Metal Screw
Standard	DIN, ASME, ANSI, ISO
Material	Steel, Stainless steel, Brass, Copper, Titanium Alloy, Plastic
Place of Origin	China
Finish	Polish, Passivation, Black, Galvanization, Chromate, Dacromet
Certificate	ISO9001:2008, ROHS
Used	Building Industry Machinery
Thread Type	Coarse, Fine
Usage	Fastening
Function	Connection, Fastening and Decoration
Strength	High
Size	Various sizes available
Measurement System	INCH, Metric system

Product Description

Carbon Steel Grade 12.9 Black CSK Countersunk Head Self Tapping Drywall Screw

Key Features

Phosphating dry-wall screws offer superior lubricity and faster penetration speed
Available in black phosphating (better attack speed) or blue-white zinc (better rust resistance)
Precision grade typically 6g (Class 2) for industrial applications
Single-line coarse-thread design provides faster tapping speed and better wood preservation
Ideal alternative to double-line fine-threaded screws for wooden keel connections

Applications

Industry	Use Case
Automotive	High-strength applications in engines, heavy-duty machinery, and bridge construction
Mechanical	Connecting mechanical parts, circuit boards, engines, transmissions, and building structures
Energy	Connecting power generation equipment and transmission line fixtures
Construction	Building structures, shipbuilding, and petrochemical equipment connections

Material Specifications

Material	Characteristics
Aluminum	Excellent thermal/electrical conductivity but requires careful processing
Titanium	Requires EDM machining with deionized water medium
Steel	High strength but generates significant heat during processing
Brass	High tensile strength but requires slow cutting speed

Product Images

Countersunk Head Self Tapping Drywall Screw Carbon Steel Grade 12.9 Black CSK

Frequently Asked Questions

Q: Are you trading company or manufacturer?

A: We are factory and OEM are available.

Q: How long is your delivery time?

A: Generally 7-10 days if in stock, or 15-20 days if not in stock, depending on quantity.

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

A: Yes, we offer free samples but the customer pays for freight.

Q: What are your payment terms?

A: 30% T/T in advance, balance before shipment or L/C.

Product Tags:

Carbon Steel Self Tapping Drywall Screw

Countersunk Head Self Tapping Drywall Screw

Grade 12.9 self drilling plasterboard screws

Countersunk Head Self Tapping Drywall Screw Carbon Steel Grade 12.9 Black CSK Images

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