Titanium Nitride Coated Steel Step Drill Bit Set

Name: Titanium Nitride Coated Steel Step Drill Bit Set
Brand: Yueqing Hengda Tools Co., Ltd.
SKU: 924975545

Zhejiang, ChinaYueqing Hengda Tools Co., Ltd.

US$1.58

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Standard

DIN

Model NO.

SDB

Length

65-104 mm

Type

Core Drill Bit

Material

High Speed Steel

Usage

Wood Drilling, Metal Drilling

Shank Shape

Straight Shank, Hex Shank

Processing

Fully Ground

Flute Type

Straight, Spiral

Package

Plastic Box ,Cardboard

Transport Package

Carton

Specification

4-35 mm

Trademark

Leying

Origin

Zhejiang

HS Code

8207509000

Production Capacity

200000 Pieces/Month

Key features

Titanium Nitride Coating: Enhances durability and reduces friction for efficient drilling in metal and wood.

Multi-Size Capability: Single bit drills multiple hole sizes ranging from 4mm to 35mm without changing tools.

High Speed Steel Material: Made from HSS with hardness of 62-66 HRC for superior strength and wear resistance.

Versatile Application: Suitable for drilling stainless steel, carbon steel, aluminum, plastic, and wood.

Laser-Etched Markings: Diameter markings permanently etched in flute areas for easy hole size identification.

No Pilot Hole Required: Drills round holes up to 1/8 inch thick without the need for center punching.

OEM and Customization: Offers OEM services, label printing, and flexible customization options.

Complete Step Sizes: Available in various sets covering sizes from 4mm to 38mm with different lengths.

Company profile

Yueqing Hengda Tools Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 26 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier processes and sells hardware, electric tools, drill bits, woodworking and milling cutters, pneumatic tools, drilling machines, mechanical equipment, and building materials, with import and export activities. It reports six production lines, valid manufacturing contracts with associated subcontractors, in-stock capacity, and 11–20 quality-control staff. Customization and ODM services are available, and the supplier provides OEM services for well-known brands. Service-management procedures, complaint-handling procedures, corrective and preventive action procedures, and finished-product inspection instructions are documented and followed. However, no overseas warehouse or showroom is available, no new product was developed during the past year, continuous quantity reconciliation is not performed for each batch, and certification information, customer cases, and verified financial results are not provided.

Supplier typeThe supplier is a hardware and electric-tool manufacturer and trader covering drill bits, woodworking and milling cutters, pneumatic tools, drilling machines, mechanical equipment, and building materials. Its six production lines, manufacturing contracts with associated subcontractors, and stated in-stock capacity indicate a manufacturer with trading and outsourced-production capabilities.

After-Sales capabilityThe supplier has written and followed procedures for service-capability assessment, corrective and preventive actions, and customer complaint handling. It accepts multiple quotation and payment terms and reports lead times of within 15 workdays to one month, but it has no overseas warehouse or overseas showroom, which limits documented overseas service infrastructure.

Production capacityProduction evidence includes six production lines, 11–20 quality-control staff, in-stock capacity, valid contracts with associated subcontractors, and peak-season fulfillment within 15 workdays in one stated record. The supplier also has a standard operating procedure for outsourcing, although it does not continuously reconcile quantities for every batch or batch production.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting a broad customization and design-manufacturing offering.

Product Q&A

Q:Is OEM available?

Yes, OEM and customization are available. Also, we can provide label printing service.

Q:Are samples available?

Yes, you can ask for some samples for testing after confirming our prices, but please pay the freight fee, the fee will be returned to you after you making official order.

Q:What is your payment terms?

T/T, L/C, Paypal for different circumstances.

Q:What's your deliver way?

Express delivery, air shipping, sea shipping are available for your request.

Q:What's your delivery time?

Usual delivery time is 20-30 days after receiving the advance payment. For the customized product, the delivery time is 35-45 days after receiving the advance payment.