Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws
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Product Highlights
- Self-Drilling Design: Indented hex washer head allows direct drilling into metal without pre-drilling.
- High Strength Grades: Available in 4.8, 8.8, and 10.9 grades for various load requirements.
- Corrosion Resistance: Black oxide or galvanized finish protects against rust and environmental damage.
- Customizable Options: Supports custom drawings and requirements for specific project needs.
- International Certifications: Certified by ISO, SGS, RoHS, and CE for quality assurance.
- Free Sample Service: Free samples provided for quality check (buyer pays shipping).
Product Attributes
- Customization
- Available
- Material
- Carbon Steel
- Type
- Hexagon Head
- Model NO.
- 21-3
- Groove
- No Groove
- Connection
- Common Bolt
- Head Style
- Hexagonal
- Standard
- DIN, GB
- Grade
- 4.8/8.8/10.9
- Product Name
- Indented Hex Washer Head Self Drilling Screws
- Color
- Black
- Size
- St2.9-St6.3
- Samples
- Yes
- Delivery Time
- 7-15 Workdays
- Finish
- Black Oxide or Galvanized
- Measurement System
- Metric
- Application
- Kitchen Screw, Marine Screw, Outdoor, Window Screw
- Certificate
- ISO;SGS; RoHS;CE;ISO9001
- Transport Package
- 25~30kgs/CTN, Then Pallet Packed
- Specification
- ST2.9-ST6.3
- Trademark
- Ingks
- Origin
- China
- HS Code
- 7318150000
- Production Capacity
- 500 Tons/Month
- Package Size
- 26.00cm * 26.00cm * 16.00cm
- Package Gross Weight
- 25.000kg
- Lead Time
-
3 days (1 - 5000 Pieces)
To be negotiated ( > 5000 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws
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Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws -
Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws -
Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws -
Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws -
Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws -
Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws -
Hardened Steel Black Roofing Screws Indented Hex Wafer Head Self Drilling Screws
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Product Description
|
Name
|
Indented Hex Washer Head Self Drilling Screws |
|
Material
|
Carbon Steel
|
|
Size
|
ST2.9-ST6.3 |
|
Surface
|
Black Oxide or Galvanized |
|
OEM
|
Available |
| Threaded Rods | Thumb screws | Socket Screws | Security Screws |
| Shoulder Screws | Rivets | Solar Hanger Bolt | Pins |
| Springs | Captive Screws | U/L/J bolts | Machine Screws |
At the same time,ingks has a complete training system and promotion channels.We hope that every
employee can work happily,grow continuously and realize life value and highest ideals of them!
What is the delivery time?
It depend on your order quantity,usually we need 20-40 days for one contaniner ,we will ship you goods on time.
What is the payment term?
TT/LC are the prefer payment term,Paypal&Western-Union for sample order which is low value.
What is your quality?
We have a special quality inspection department, strict production and inspection of each product.
we have a number of international quality certifications.
Do you provide samples?
Yes,We can ship u free samples for quality check ,But you should pay the shipment.
Do you provide customized service?
Yes,We can produce product according to your drawing&Requirements
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR254422". Items marked "
" are certified.
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Company Profile
Wuxi Ingks being a Chinese manufacturer we offer you a wide range of specialized metal pins. Ingks have engaged in customized metal parts fields for more than 10 years combining research, development, production, sales and service. Our main products include: Cotter pins, clevis pins, D/O type lock pins, Quick release pins, Indexing plungers, Spring plunger, ect. The materials we mainly use are stainless steel series such as stainless steel 303, 304, 316 and so on. Sometimes carbon steel series materials are also used in response to product structure requirements. Ingks adheres to the concept of providing customers with a total solution including products and support, and has successfully achieved many well-known manufacturers (such as the United States, Canada, United Kingdom, Spain, Germany, France, South Korea, Japan, India, etc. ) Partnership. Our quality and service have been unanimously recognized. Therefore, the goal of Ingks is to benefit from it while providing quality products and services.
About Our Factory & Business Background
- Address
- No.100, Yanxin Road,Huishan District, Wuxi City,Jiangsu Province,China. P.C.214174
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: one month
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Oceania, Western Europe
FAQ
- What is the delivery time?
- It depends on your order quantity. Usually, we need 20-40 days for one container, and we will ship your goods on time.
- What are the payment terms?
- TT and LC are the preferred payment terms. For low-value sample orders, PayPal and Western Union are accepted.
- How do you ensure product quality?
- We have a special quality inspection department with strict production and inspection processes for each product, backed by international quality certifications.
- Do you provide samples?
- Yes, we can ship free samples for quality check, but the buyer needs to pay for the shipping costs.
- Is customized service available?
- Yes, we can produce products according to your specific drawings and requirements.
- What materials are used for these screws?
- The screws are made of carbon steel with hardened steel properties.
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