Do you offer non-standard products?

Yes, non-standard products are available according to customer drawings or samples, and we can design and manufacture products based on specific requests.

What is the tolerance class for the drills?

The tolerance class ranges from 0.005mm to 0.02mm, ensuring high precision for demanding machining tasks.

What payment terms do you accept?

We accept LC, T/T, and Western Union as terms of payment.

High Quality Customized Tungsten Carbide Step Drill for Metal Drilling

Name: High Quality Customized Tungsten Carbide Step Drill for Metal Drilling
Brand: CHANGZHOU DELEVEL TOOLS CO., LTD.
SKU: 729116782

Jiangsu, ChinaCHANGZHOU DELEVEL TOOLS CO., LTD.

US$6.80-198.00

5 Pieces

Sample price:US$10.80/piece.Request sample

Product profile

Customization

Available

Customized

Standard

GB/T

Model NO.

Step drill

Length

80-525mm

Type

Deep-Hole Carbide Internal Cooling Drill

Material

Tungsten Carbide

Usage

Metal Drilling

Coating

Tialn,Alcr,Tisin,Altin or Dlc

Drilling Depth

Maximum Drilling Depth 10xd,15xd,etc.

Tolerance Class

0.005-0.02mm

Drill Point Angle

90-140

Runout

0.01-0.02mm

Point Symmetry

0.01-0.02mm

Coolant Type

Internal Coolant or External Coolant

Application

Step Hole Drilling,etc.

Suitable Machining Materials

Steel, Stainless Steel, Titanium Alloy, etc.

Transport Package

Single Package

Specification

Dia. 3-Dia. 20mm

Trademark

DELEVEL

Origin

Changzhou Jiangsu

HS Code

8207709000

Production Capacity

50000PCS/Month

Key features

Substrate: solid tungsten carbide, ground on CNC tool grinders with in-process measurement

Tolerance: h6 shank tolerance as standard

Coating: AlTiN, AlCr-based and TiSiN available, selected by workpiece material

Workpiece Materials: carbon steel, alloy steel, stainless steel, cast iron and hardened materials

Customization: non-standard step drill bits produced to drawing, minimum order quantity 5 pieces

Lead Time: samples within 7 to 15 working days, volume production within 30 days

Company profile

CHANGZHOU DELEVEL TOOLS CO., LTD.

Jiangsu, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤1.16hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryCHANGZHOU DELEVEL TOOLS CO., LTD. is a China-based manufacturer/factory specializing in carbide drills, end mills, threading tools, modular tooling, and custom carbide tools. It reports ISO 9001 certification, more than 12 years of carbide-tooling experience, six production lines, six-to-ten R&D engineers, six-to-ten quality-control staff, and annual carbide end-mill output of 600,000 pieces. The supplier supports multiple customization modes, ODM, and OEM services for well-known brands, and reports inventory capability and off-peak lead times within 15 working days. However, written corrective-action and complaint-handling procedures are absent, overseas service infrastructure is limited, and the validity of manufacturing-capacity contracts and quality-assurance status is unknown. Financial-capacity entries are present for 2023–2025, but no sufficient non-monetary evidence establishes financial strength. Customer cases are not specifically documented.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company in China. Its listed products and business scope cover carbide and other metal tooling, consistent with a direct manufacturing supplier.

CertificationsThe supplier reports holding ISO 9001 certification for its management system. This is explicit evidence of a formal quality-management certification, although the slices do not provide certificate validity or scope details.

After-Sales capabilityThe supplier has no written procedures or records for corrective and preventive actions or effective complaint handling. It has inventory capability, but no overseas warehouse, showroom, agents, or branches; therefore, the documented after-sales framework is deficient despite some fulfillment support.

R&D capabilityThe supplier reports new products during the past year, ODM availability, and six-to-ten R&D engineers with total R&D experience stated at six-to-ten years. It lacks an available SDK, but the documented product-development and ODM activity supports innovation capability overall.

Production capacityThe supplier operates six production lines, reports 600,000 carbide end mills produced annually, employs six-to-ten quality-control staff, and states off-peak lead times within 15 working days. Inventory capability and a claimed on-time-delivery record further support production execution, although contract status and quality-assurance status remain unknown.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full and minor customization, flexible customization, ODM services, and custom carbide tools. Its stated specialization in non-standard carbide tools and technical support directly supports strong customization capability.

Product Q&A

Q:What raw materials are used for the drills?

We use 100% original alloy rods from well-known brands such as Guhring (Germany), Kennametal (USA), Ceratizit (Luxembourg), and other domestic and international manufacturers.

Q:Can the drill specifications be customized?

Yes, dimensions, coatings, and step configurations can be customized based on customer requirements, drawings, or samples.

Q:What coatings are available for the step drills?

Available coatings include TiN, TiAlN, AlCr, TiSiN, Altin, and DLC, with options like AlTiN, AlCr-based, and TiSiN for enhanced hardness and durability.

Q:What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons, with standard models available in stock for fast delivery.

Q:Which materials can these drills process?

They are suitable for drilling a wide range of materials including steel, stainless steel, titanium alloy, and non-ferrous metals.