Grade Class 12.9 Black Oxide Cadmium Plated Cross Recessed Round Head Wood Tapping Screw
Price:
0.05USD-0.15USD
MOQ:
10pcs
Delivery Time:
15days
Brand:
JIA SHAN
Product Description
Grade Class 12.9 Black Oxide Cadmium Plated Cross Recessed Round Head Wood Tapping Screw
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
The Grade 12.9 Black Oxide Cadmium Plated Wood Tapping Screw features a drilling tail design for superior performance. With exceptional hardness and durability, these screws provide secure fastening without requiring pre-drilling, significantly improving work efficiency.
Key Applications
| Industry | Application |
|---|---|
| Automotive | High-strength applications in engines and heavy-duty machinery |
| Mechanical | Connecting mechanical parts, circuit boards, and building structures |
| Energy | Power generation equipment and transmission line fixtures |
| Construction | Building structures, shipbuilding, and petrochemical equipment |
Material Specifications
| Material | Characteristics |
|---|---|
| Aluminum | Excellent thermal/electrical conductivity, requires careful processing |
| Titanium | Requires EDM machining with deionized water medium |
| Steel | High strength, generates heat during processing |
| Brass | High tensile strength, requires slow cutting speed |
Technical Advantages
Grade 12.9 requires specialized smelting processes:
- 8.8 grade: Medium carbon steel (45 steel or 40Cr) with heat treatment
- 10.9 grade: Alloy structural steel (40Cr or 42CrMo) with quenching/tempering
- 12.9 grade: High-grade alloy steel (34CrMo4 or 42CrMo) with strict heat treatment
Product Images
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.
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hunan Jia Shan Hardware Tech Co., Ltd.
Location
1st Floor,Building 8 Phase II Factory Building,No.8 Lutian Road,Lugu Base,Lugu Street,Xiangjiang New Area,Hunan Province.Postal Code:410205
Contact Person
Tan