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Grewin High Performance Indexable Drills for Large Diameter Drill Bits From 12mm up to 100mm

Name: Grewin High Performance Indexable Drills for Large Diameter Drill Bits From 12mm up to 100mm
Brand: Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd.
SKU: 2116134955

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

US$8.00-88.00

1 Piece

Product profile

Customized

Standard

AISI

Length

Stub-length

Type

U Drill, CNC Drill Bits

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

Alloy Specification

Yg10, Yg10X, etc

Useage

High Speed Drilling

Cooling System

with Coolant Holes

Coating

Nickel Coating

Drilling Depth Type

3D, 5D, 8d, 12D

Function a

a Variety of Drill Heads Are Available

Function B

Innovation Self-Lock Connecting System

Function C

Interchangeability and Flexibility

Sample

Free

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

10000 PCS/Month

Key features

Customized Design Capability: Special mult-insert drill tools designed and made according to client drawings.

Self-Locking Structure: Screw-free locking system allows for quick bit replacement and high integrity.

Internal Cooling System: Fully cools the drill tip during processing for smooth hole walls and high precision.

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

High Machining Accuracy: Radial axial runout 0.02mm and hole accuracy controlled at 0.05mm.

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

Long Service Life: Carbide tip and 40Cr steel construction with full heat treatment and sand blasting.

Free Sample Availability: Free samples available for quality checking after price confirmation.

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 we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.

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

After price confirmation, you can require for samples to check our quality.

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

After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.

Q:How long does the whole procedure be worked out?

After you place an order, the production handling time is about 30 days. We need 15 days to prepare all the stuff then 15 days for manufacturing.

Q:What about the transportation and delivery date?

Normally we use shipment to transport the goods. It is about 25-40 days. It also depends on which country and port you are in. It could be shorter if you need to send the goods like Asian. If there are some emergencies we can send the goods via air express, as long as you afford the traffic expense.