What materials can this drill bit be used on?

It is widely used for drilling various materials such as stainless steel, tool steel, copper alloys, aluminum alloys, and cast iron.

High-Quality 3.5mm Magnetic HSS Twist Drill Bit for Hand Drill

Name: High-Quality 3.5mm Magnetic HSS Twist Drill Bit for Hand Drill
Brand: Zhejiang ZhengCheng lmport & Export Co.,LTD
SKU: 2218057495

Zhejiang, ChinaZhejiang ZhengCheng lmport & Export Co.,LTD

US$0.50-5.00

20 Piece

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

GB/T

Model NO.

4241/4341/6542(M2)/M35

Length

Standard Length

Type

Twist Drill Bit

Material

High Speed Steel

Usage

Metal Drilling

Unit Price

Customized Support

OEM, ODM

Application

Metal and Steel Drilling

Surface Finish

Black Oxide/Tin Plated/Bright Finish

Transport Package

Plastic Box or Your Requriement

Specification

Standard Sizes or Customized

Trademark

ZEICIN

Origin

China

HS Code

8207509000

Key features

High-Speed Steel Material: Made from premium HSS with high hardness for fast, smooth drilling and minimal wear.

Anti-Slip Precision Design: Self-centering split point ensures accurate positioning and reduced slippage on various surfaces.

Efficient Chip Removal: Fine spiral flutes effectively clear debris, reducing heat buildup and extending tool life.

OEM/ODM Customization: Supports custom designs based on customer drawings or images with sample approval process.

Versatile Material Application: Suitable for drilling stainless steel, tool steel, copper alloys, aluminum alloys, and cast iron.

Professional Manufacturer: One-stop production from raw materials to finished products ensuring reliable quality and performance.

Company profile

Zhejiang ZhengCheng lmport & Export Co.,LTD

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2019-03-26Nearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.88hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryThe supplier is a limited trading company with five employees, focused on steel raw materials, cutting tools, and plastic raw materials. It has self-operated import/export rights, six years of export experience, and exports reportedly account for 90% of total sales. The supplier offers OEM and ODM services, has introduced new products within the past year, and supports extensive customization from samples, designs, or full specifications. However, it has no available SDK, overseas showroom, overseas agents or branches, or offline trade-show participation. Service-management controls are weakly documented: no written corrective-action, complaint-handling, supplier-assessment procedures, or approved-supplier list were identified. Raw-material traceability, quality assurance, sustainability documentation, and fire-drill status remain unknown. A CTI audit record is provided for the period from 2025-05-10 to 2026-05-09, but the stated evaluation result is not interpretable without a defined scoring scale.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or stated overseas service countries, and it has not participated in offline trade shows. It also lacks written complaint-handling and corrective/preventive-action procedures, while its service-capability assessment procedure has no written procedures or records, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier reports new products within the past year and offers ODM services, supporting some product-development capability. However, it reports no available SDK, so its innovation capability is evidenced for product development and design services but not for SDK-based technical integration.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. These services are reported in multiple slices and directly demonstrate broad customization coverage.

Client casesThe supplier reports providing OEM services for well-known brands, which is direct evidence of at least one type of customer engagement. No brand names, project details, product quantities, performance records, or additional customer cases are provided.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a professional manufacturer specializing in high-speed steel cutting tools, equipped with advanced international machinery.

Q:What is the delivery time for standard products?

The usual delivery time for standard products is 5-15 days after receiving the advance payment.

Q:What is the delivery time for customized products?

For customized products, the delivery time is usually 15-30 days after receiving the advance payment.

Q:Which ports are used for shipping?

We ship goods via the ports of Shanghai, Ningbo, or Yiwu, etc.

Q:Is OEM customization available?

Yes, we accept OEM customization. Our qualified design team can design products according to your drawings or images, and we produce a sample for approval before placing the order.