What rock classes can this drill bit handle?

The drill bit is suitable for soft, medium, and hard rock classes.

Is customization available for this product?

Yes, we offer customization from samples, designs, full customization, minor customization, and flexible customization options.

What is the minimum order quantity?

The minimum order quantity is 2 PCS.

Maxdrill Hot Sale Taper Stone Drill Bit with 38mm for Tunnel Drilling

Name: Maxdrill Hot Sale Taper Stone Drill Bit with 38mm for Tunnel Drilling
Brand: Maxdrill Rock Tools Co., Ltd.
SKU: 757614532

Guizhou, ChinaMaxdrill Rock Tools Co., Ltd.

US$14.70

25-99 Pieces

US$14.00

100-999 Pieces

US$13.50

1,000-2,999 Pieces

US$12.50

3,000-4,999 Pieces

US$11.20

5,000+ Pieces

Sample price:US$13.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

6 Months

Model NO.

30382207-11

Certification

ISO 9001:2015

Standard

GB/T2828.1-2003

Surface Treatment

Painting

Manufacturing Process

Machining

Material

Alloy Steel & Tungsten Carbides

Angle

35degree

Rock Class

Soft, Medium and Hard

Type

Drill Bit

Taper

11degree

Tapered Bits

Button, Cross and Chisel Designs

Use

Mining, Aggregate

Size

Hex.22mm

Applications

Quarrying, Small Hole Drilling

Service

Longer Service Life and Lower Drilling Costs

Key Words

Drilling Tools

Transport Package

Carton&Plywood Pallet

Specification

Taper Bit 11degree 38mm

Trademark

Maxdrill

Origin

China

HS Code

82071300

Production Capacity

10000/PC Year

Key features

Extended Service Life: Designed for longer service life and lower drilling costs in mining and quarrying.

Versatile Design Options: Available in button, cross, and chisel designs for soft, medium, and hard rock.

Wide Size Range: Bit diameter ranges from 30mm to 45mm with various taper degrees available.

Quality Assurance: ISO 9001:2015 certified with 100% visual inspection before shipping.

Fast Delivery: Only 2-3 days delivery if stock is available for requested sizes.

Professional Support: 24-hour response from sales team and 24/7 technical support availability.

Flexible Customization: Supports customization from samples, designs, and full or minor customization.

Durable Material: Constructed from high-quality Alloy Steel and Tungsten Carbides for durability.

Company profile

Years of Export ExperienceSelf-brandedFast Delivery100% Finished Products Inspection

Maxdrill Rock Tools Co., Ltd.

Guizhou, 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: 20 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤5.33h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a trading company located in Guiyang, with associated-company activity in wholesale and retail. It demonstrates broad customization, ODM availability, recent product development, and OEM service for well-known brands. Production information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings. Export sales account for 71%–90%, with markets in South America, Europe, and North America. Service procedures for supplier assessment, corrective actions, and complaint handling are documented and followed. However, the supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation; it also has no available SDK. Finished-product inspection has instructions but no written records. No certification information or specific customer names/cases are provided.

After-Sales capabilityThe supplier has clear procedures and followed records for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent or branch, and no offline trade-show participation, while the stated number of countries offering overseas services is zero; this supports documented complaint handling but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, demonstrating product-development activity. Nevertheless, it has no available SDK, and total R&D engineer experience is stated as two years, so the evidence supports some innovation capability but not a strong or broad technical platform.

Production capacityProduction information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings, with exports representing 71%–90% of total sales. The supplier also cites self-provided raw materials, advanced production equipment, and staff training; however, finished-product inspection has instructions but no written records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently in both the R&D and manufacturing information, indicating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of branded-customer experience. No brand names, project descriptions, order references, or independently verifiable customer cases are provided.