Do your products meet quality standards?

Yes, our products are produced strictly in accordance with international and industry standards using advanced equipment and quality control systems.

What is your term of payment?

The payment term is 30% by TT in advance, and the balance is due before delivery.

How long is your delivery time?

Generally 7-10 days if goods are in stock. If not in stock, it takes 20-30 days depending on the quantity.

Premium Hexagonal HSS Step Drill Bit for Metalworking, 4-38mm

Name: Premium Hexagonal HSS Step Drill Bit for Metalworking, 4-38mm
Brand: Jiangsu Borui Tools Co., Ltd.
SKU: 2228058445

Jiangsu, ChinaJiangsu Borui Tools Co., Ltd.

US$0.59-4.90

100 Pieces

Sample price:US$8.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

DIN

Length

Metric

Type

Twist Drill Bit

Material

High Speed Steel

Usage

Metal Drilling

Shank

Hex Shank

Transport Package

Single Packing with PVC Plastic Tube

Specification

4-12mm 4-20mm 4-32mm 4-38mm

Trademark

SUBORUI

Origin

China

HS Code

8207509000

Key features

Premium HSS Material: Manufactured from high-speed steel with verified composition using XRF analyzers.

Hexagonal Shank Design: Features a hex shank for secure grip and anti-slip performance during drilling.

Wide Drilling Range: Step drill bit covers hole sizes from 4mm to 38mm in a single tool.

Multi-Certification Compliance: Holds CE, RoHS, ISO 9001, BSCI, and ICS certifications for safety and quality.

Advanced 5-Axis Inspection: Ensures micron-level accuracy in drill geometry and contour using 5-axis systems.

Customization Available: Offers full customization including material, coating, geometry, and packaging.

Fast Delivery Options: 7-10 days for stock items, 20-30 days for custom orders based on quantity.

18 Years Expertise: Backed by 18 years of manufacturing experience and 20+ patents.

Company profile

Importers and ExportersStandardized quality controlProduct CertificationHigh Repeat Buyers Choice

Jiangsu Borui Tools Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.11h

AI-Powered supplier vetting

SummaryThe supplier demonstrates R&D, customization, and export capabilities. It offers 3D design, ODM, sample- and design-based customization, full customization, and minor customization, with new products developed during the past year. R&D audit documentation is available, and technical engineers support production and after-sales activities. Quality evidence includes CE certification, ISO 9001:2015, BSCI, documented finished-product inspection procedures, and a stated 100% pre-shipment inspection process. The supplier has exported for eight years, with exports accounting for 71%–90% of total sales, and holds self-operated import/export rights. Overseas infrastructure is limited: it has no overseas warehouse, showroom, agents, or branches, and reports overseas services only as training. Financial credibility cannot be determined because the provided slices contain no assessable financial results or capacity data. Production scale and named customer cases are also insufficiently documented. Digital operational...

Supplier typeThe supplier is positioned as an R&D-oriented OEM/ODM manufacturer offering 3D design and multiple customization models, including sample-based, design-based, full, and minor customization. Its stated services cover prototyping through mass production for OEM/ODM projects, while it does not provide OEM services for popular brands.

CertificationsThe supplier reports CE product compliance certification, an ISO 9001:2015 management-system certificate, and BSCI social-responsibility certification. The company description also states ISO 9001-certified processes, supporting a documented quality-management position.

After-Sales capabilityTechnology engineers provide technical support for production and after-sales service, and the supplier identifies training as an overseas service offering. However, it has no overseas warehouse, showroom, agent, or branch, so the evidence supports technical after-sales assistance but not a broad local overseas service network.

R&D capabilityThe supplier reports R&D engineers responsible for confirming requirements, designing products, and providing technical support; it has available design-input, output, review, verification, and validation documentation; and it developed new products during the past year. The company also states it has over 20 patented technologies, although no patent details are provided, and it does not have an available SDK.

Production capacityThe supplier states that its engineers support production, uses documented and uniformly followed finished-product inspection instructions, and claims 100% pre-shipment inspection. It also reports written procedures and records for assessing service-capable suppliers, but the provided slices do not establish production capacity, equipment, factory scale, or throughput.

Customization capabilityCustomization capability is explicitly broad: the supplier offers customization from samples, customization from designs, full customization, minor customization, 3D software design services, and ODM services. Its company description further states that OEM/ODM support spans prototyping to mass production.

Product Q&A

Q:Are you a factory or trading company?

We are a professional manufacturer with over 18 years of experience in the drill bit tools industry. Welcome to visit our company.

Q:What types of products do you manufacture?

We specialize in standard twist drills for wood, plastic, and soft metals, industrial-grade drills for hardened steel and alloys, and customized solutions tailored to client specifications.

Q:What is your minimum order quantity (MOQ)?

Our MOQ varies depending on the product type, specifications, and packaging requirements. Please contact our sales team for a tailored solution.

Q:How do I purchase your products?

Contact our sales team directly to receive product catalogues, quotations, and order processing services.

Q:What certifications do your products have and are they environmentally friendly?

Our products are certified with CE, RoHS, and ISO 9001. RoHS certification guarantees they are free from harmful substances like lead and mercury.