What are the key features of this step drill bit?

Key features include a razor-sharp cutting edge, anti-slip design, optimized chip removal, polished finish, lightweight ergonomic design, and high-temperature quenching for durability.

What certifications does your company hold?

Our company holds several industry certifications to ensure our products meet international standards and are of the highest quality.

4-32mm Step Drill Bit - HSS, Hex Shank, Tungsten Coated

Name: 4-32mm Step Drill Bit - HSS, Hex Shank, Tungsten Coated
Brand: Zhejiang ZhengCheng lmport & Export Co.,LTD
SKU: 1972301901

Zhejiang, ChinaZhejiang ZhengCheng lmport & Export Co.,LTD

US$0.19-1.25

50 Piece

Sample price:US$1.50/piece.Request sample

Product profile

Customization

Available

Customized

Standard

GB/T

Model NO.

HSS 4241/M2/M35

Length

Standard Length

Type

Step Drill Bit

Material

High Speed Steel

Usage

Metal Drilling

Application

Stainless Steel/Mold Steel/Copper Alloy...etc

Unit Price

Customized Support

OEM, ODM, Obm

Size

4-12mm/4-20mm/4-32mm

Transport Package

Plastic Box or Your Requriement

Specification

According To The Order Requirements

Trademark

ZEICIN

Origin

China

HS Code

8207509000

Key features

High-Speed Steel Material: Made from premium HSS (4241/M2/M35) for excellent heat resistance and durability.

Razor-Sharp Cutting Edge: High-hardness design ensures fast, smooth drilling with minimal wear and slippage.

Efficient Chip Removal: Advanced flute design ensures smooth chip evacuation, reducing heat buildup.

Versatile Material Compatibility: Suitable for drilling stainless steel, mold steel, copper alloy, aluminum, and cast iron.

Anti-Rust Protection: Coated with protective anti-rust oil to prevent corrosion and extend shelf life.

Custom OEM/ODM Support: Accepts OEM customization with design team support for drawings or images.

Strict Quality Control: Rigorous checks from raw materials to finished products ensure consistent performance.

Fast Delivery Options: Standard products ship in 5-15 days; customized products in 15-30 days.

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: ≤1.15hTerms 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 a trading company?

Yes, we are a manufacturer specializing in the production of high-speed steel cutting tools, equipped with advanced international machinery.

Q:What is your delivery time?

The usual delivery time for standard products is 5-15 days after receiving the advance payment. For customized products, the delivery time is usually 15-30 days after receiving the advance payment.

Q:What is the shipping port?

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

Q:Is the drill OEM available?

Yes, we accept OEM customization for our main products. Our factory has a qualified design team that can design products according to your drawings or images, and we will produce a sample for your approval before placing an order.

Q:What materials can this drill bit be used on?

It is suitable for various materials including stainless steel, mold steel, copper alloy, aluminum alloy, cast iron, and PVC.