What material is used for the drill bit?

It is made of heat-treated and tempered high-carbon steel.

What is the main usage of this product?

It is used for wood drilling, enlarging/countersinking holes, and deburring edges.

Does the manufacturer have ISO certification?

Yes, the company holds ISO9001:2015 management system certification.

Wood Countersink for Wood Drill Bits

Name: Wood Countersink for Wood Drill Bits
Brand: ZHENJIANG HTT TOOL CO., LTD.
SKU: 2048015075

Jiangsu, ChinaZHENJIANG HTT TOOL CO., LTD.

US$1.52-2.78

1,000 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

DIN

Model NO.

328-O

Length

Stub-length

Type

Twist Drill Bit

Material

Tungsten Carbide

Usage

Wood Drilling

Shank Type

Cylindrical

Accessories

Inner Hex Screw, Hex Allen Key

Transport Package

Box, PVC Bag, Blister, Sandwich Blister, Tube

Specification

3mm to 10mm diameter

Trademark

OEM, HTT

Origin

China

HS Code

8207509000

Production Capacity

5000000PCS/Year

Key features

Lifetime Warranty: Backed by manufacturer's lifetime warranty for all products.

Five Flute Design: Features five flute edges chamfered at 90 degrees for superior performance.

Adjustable Depth: Counter sleeve depth is adjustable with a wrench for precise work.

Customizable Options: Full customization available from designs, samples, or special size requests.

High-Carbon Steel: Made of heat-treated and tempered high-carbon steel for cutting power.

Versatile Usage: Ideal for enlarging/countersinking holes and deburring edges in wood.

ISO9001 Certified: Manufacturer holds ISO9001:2015 management system certification.

DIN Standard: Products adhere to DIN standards for quality and compatibility.

Company profile

High Repeat Buyers ChoiceYears of Export ExperiencePatents AwardedManagement Certification

ZHENJIANG HTT TOOL 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: 12 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.03h

AI-Powered supplier vetting

SummaryHTT is identified as a manufacturing factory with self-operated import/export rights and substantial export activity, with exports representing 90% of total sales. It holds an ISO9001:2015 management-system certificate and reports documented finished-product inspection instructions and supplier-management procedures. The supplier supports customization from designs and samples, full customization, and ODM services, and reports new-product development, one R&D engineer, AutoCAD capability, and two patents. However, it has no stated inventory, overseas warehouse, overseas agent or branch, showroom, or offline trade-show experience. Corrective-action and complaint procedures exist but lack written records, and R&D audit documentation is unavailable. No financial assessment can be made from the provided information.

Supplier typeHTT is explicitly identified as a factory, with manufacturing equipment listed and the associated-company industry identified as manufacturing. It also reports self-operated import/export rights, indicating direct export capability.

CertificationsThe supplier reports an ISO9001:2015 certificate in both its supplier-management and management-system information. This is explicit evidence of holding a recognized quality-management certification.

R&D capabilityHTT reports new products within the past year, ODM service, AutoCAD capability, two R&D patents, and one R&D engineer. However, it has no available SDK and no R&D audit documentation for design inputs, outputs, reviews, verification, and validation; the evidence supports some innovation activity but not a comprehensive R&D system.

Production capacityThe supplier lists multiple machining facilities, documented and consistently followed finished-product inspection instructions, quality assurance, 20 qualified service-capability suppliers, and a written supplier-assessment procedure with records. Against this, it reports no valid manufacturing-capacity contract with affiliated subcontractors and no inventory capability.

Customization capabilityHTT explicitly offers customization from designs, customization from samples, full customization, and ODM services. Its R&D engineer provides production technology support and prepares product specifications for client approval, directly supporting customized development.