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A2 A4 Galvanized Washer Hex Head Self Drilling Roofing Screw 4.6 X 30
US$1.00
1,000-9,999 Pieces
US$0.10
10,000-49,999 Pieces
US$0.01
50,000+ Pieces
Product profile
Customization
AvailableMaterial
Steel, Stainless Steel, Brass, AluminiumType
Hexagon Head With FlangeGroove
HexagonConnection
Common BoltHead Style
HexagonalStandard
DIN, GB, ANSI, BSW, JIS, GOSTGrade
304(A2), 316(A4)Transport Package
Plastic Bag+ Carton+Wood PalletSpecification
4.2-8, #12Trademark
G&TOrigin
Shanghai, ChinaHS Code
73181510Production Capacity
100 Tons/MonthKey features
High Precision Customization: Strictly follows drawing tolerances for high-precision parts and custom models.
Wide Material Selection: Available in Carbon Steel, Stainless Steel (304/316), Brass, Titanium, and Aluminum.
Flexible Surface Treatment: Options include Plain, Black, Zinc, HDG, Dacromet, and Nickel Plating.
OEM/ODM Service: Supports custom manufacturing from samples, drawings, or new design ideas.
ISO Certified Quality: Manufacturing strictly adheres to ISO9001:2008 procedures for quality assurance.
Low MOQ: Minimum Order Quantity is just 1 Pc, suitable for small batches or samples.
Versatile Applications: Used extensively in construction, solar energy, automotive, and machinery industries.
Multiple Payment Options: Accepts T/T, LC, D/P, PayPal, Western Union, and small-amount payments.
Company profile
Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.72h
AI-Powered supplier vetting
SummaryShanghai G&T Industry Co., Ltd. is identified as a limited trading company offering bolts, nuts, threaded rods, stud bolts, and customized fasteners. The supplier reports broad customization, ODM capability, new products launched during the past year, and OEM service for well-known brands. Stated annual productivity includes 6,000 tons of thread rods, 5,000 tons of bolts, 5,000 tons of nuts, 3,000 tons of washers, and 3,000 tons of stud bolts. Service procedures include documented supplier assessment, corrective and preventive actions, and customer complaint handling, with lead times within 15 workdays in both peak and off-season. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, or inventory capability. Raw-material traceability, quality assurance status, outsourcing controls, and contract status are unknown. An audit by TUV Rheinland is recorded, but the audit type and evaluation result are not sufficiently interpretable from the provided values.
Supplier typeThe supplier is a limited company classified as a trading company, with a stated business scope covering metal materials, hardware, machinery, and related products. Its offered products are bolts, nuts, threaded rods, stud bolts, and customized fasteners, and it is not identified as part of a larger company group.
After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling. It has no overseas agents or branches, overseas warehouse, showroom, or in-stock service capability, which limits local and immediate after-sales support.
R&D capabilityThe supplier reports new products during the past year, ODM service, and multiple design-based customization options. It does not have an available SDK, but the available evidence supports product development and design capability.
Production capacityReported annual productivity is 6,000 tons of thread rods, 5,000 tons each of bolts and nuts, and 3,000 tons each of washers and stud bolts. Lead time is stated as within 15 workdays in both peak and off-season; however, the supplier also reports no inventory capability, while outsourcing procedures and manufacturing-capacity contracts remain unknown.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its product scope also expressly includes customized fasteners, and it reports ODM capability.
Product Q&A
Q:What materials are available for these screws?
A:
We offer Carbon Steel, Stainless Steel (304/A2, 316/A4), Brass, Titanium, and Aluminum.
Q:Can you customize parts based on my drawings?
A:
Yes, we strictly follow drawing tolerances to provide high-precision parts and custom models.
Q:What is the delivery time for standard and non-standard parts?
A:
Standard parts take 7-15 days, while non-standard parts take 15-25 days.
Q:How should I make payments?
A:
We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments. Samples require 100% payment.
Q:What surface treatments are available?
A:
Options include Plain, Black, Zinc, HDG, Dacromet, and Nickel Plating.
Send Inquiry
*To:
Shanghai G&T Industry Co., Ltd.
Shanghai G&T Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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