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Solid Carbide Drills, Counterboring Tools, Hole Finishers, Indexable Inserts

Name: Grewin-Wholesale of Holemaking Drills/ Modular Drills/ Solid Carbide Drills, Counterboring Tools, Hole Finishers, Indexable Inserts
Brand: Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd.
SKU: 2137745595

Hunan, ChinaZhuzhou Grewin Tungsten Carbide Tools Co., Ltd.

Negotiable

1 Piece

Product profile

Customized

Non-Customized

Standard

ISO

Length

Stub-length

Type

Crown Drill, U Drill,Spade Drill

Material

Tungsten Carbide

Usage

CNC Indexable Drill

Product Name

Carbide Milling Drill Bit Inserts

Particle

0.5-1um

Different Drilling Range

8mm to 26mm

Machine Type

Metal Drilling

Finish

Nickel

Useage

High Speed Drilling

Cooling System

with Coolant Holes

Coating

Nickel Coating

Drilling Depth Type

3D, 5D, 8d

Function a

a Variety of Drill Heads Are Available

Function B

Innovation Self-Lock Connecting System

Function C

Interchangeability and Flexibility

Transport Package

Each 1 Piece in a Plastic Case, 30-50 Cases in a C

Specification

8mm to 26mm

Trademark

Grewin Brand or OEM

Origin

Hunan, China.

Production Capacity

100000 PCS/Month

Key features

Precision Machining Accuracy: Radial axial runout 0.02mm, hole accuracy controlled at 0.05mm.

Wide Diameter Range: Applicable cutting head diameter from 8mm to 26mm with 0.1mm intervals.

Self-Locking Structure: Screw-free locking design allows for quick bit replacement.

Internal Cooling System: Fully cools the drill tip during processing with coolant holes.

Custom Design Capability: Special multi-insert drill tools designed according to client drawings.

Multiple Drill Head Options: S1, S2, RA, RB designs available for various steel and alloy materials.

High Speed Drilling: Optimized for high speed drilling applications with nickel coating.

ISO Standard Compliance: Products meet ISO standard requirements for quality and safety.

Company profile

Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd.Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2011-10-21Nearest Port: guangzhou port, shenzhen portAverage Response Time: ≤3.66hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, CIP, EXW

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 22 employees, no stated affiliation with a larger group, and a valid import/export license. It offers customization from designs and samples and reports annual productivity of 100 tons each for tungsten carbide end mills, rods, and saw tips. Export sales account for 90% of total sales, and it has participated in METALLOOBRABOTKA. However, the supplier reports no professional technical R&D status, no new products in the past year, no ODM, SDK, or 3D software design services, and only one R&D engineer. Quality and service controls are weakly documented: no written procedures or records were provided for complaint handling, supplier service assessment, or corrective/preventive actions; quality assurance, traceability, and test-equipment status are unknown or, for equipment quantity, zero. It has no stock, overseas warehouse, showroom, agent, or branch capability. ERP use is reported, but broader digitalization has not started.

After-Sales capabilityAfter-sales and service infrastructure is limited: complaint handling has no written procedures or records, and the supplier has no stock, overseas warehouse, showroom, agent, or branch. One technology engineer provides technical and after-sales service, but the available evidence does not establish an effective formal service system.

R&D capabilityInnovation evidence is weak: no new products were launched in the past year, there is one R&D engineer, and the supplier lacks ODM, SDK, and 3D software design capabilities. It can customize from designs and samples, but broader R&D and digital transformation capabilities are not demonstrated.

Production capacityThe supplier reports annual productivity of 100 tons each for tungsten carbide end mills, rods, and saw tips, and peak-season lead time of one month versus within 15 workdays off-season. However, it has no in-stock capacity and no overseas fulfillment infrastructure; the stated production figures support production capability but not superior responsiveness.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples. This is direct evidence of product customization capability, although no evidence is provided regarding the scope, complexity, or engineering support of such customization.

Product Q&A

Q:When can I get the price?

We usually quote within 24 hours after receiving your inquiry. For urgent requests, please call or specify in your email for priority handling.

Q:How can I get a sample to check your quality?

After price confirmation, you can request samples to verify our quality.

Q:How long can I expect to get the sample?

Samples are ready for delivery in 3-7 days after payment and file confirmation. They arrive in 3-5 workdays via express. You can use your own account or prepay us.

Q:How long does the whole procedure take?

Production handling time is about 30 days after placing an order, consisting of 15 days for preparation and 15 days for manufacturing.

Q:What about the transportation and delivery date?

Normally, shipment takes 25-40 days depending on the destination. Air express is available for emergencies if you cover the traffic expense.