What materials are used for the drill bits?

Made from high-quality carbon steel and tungsten carbides through heat treatment.

Are the drill bits customizable?

Yes, we offer customization for name, button shape, diameter, degree, quantity, type, and weight.

Premium Tapered Drill Bits for Hard Rock, 36mm to 42mm

Name: Premium Tapered Drill Bits for Hard Rock, 36mm to 42mm
Brand: Changsha DTH Drill Construction Machinery Co., Ltd.
SKU: 2095445455

Hunan, ChinaChangsha DTH Drill Construction Machinery Co., Ltd.

US$3.20-4.75

500 Pieces

Sample price:US$3.20/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Certification

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbon Steel

Name

Tapered Bit

Button Shape

Round

Diameter

32mm 34mm 36mm 38mm 40mm 42mm

Degree

7/11/12

Button Quantity

Type

Long Skirt and Short Skirt

Weight(Kgs)

0.3 - 0.4

Transport Package

Wooden Box/ Carton Box Packing

Specification

32mm 34mm 36mm 38mm 40mm 42mm

Trademark

Csdrill

Origin

Hunan

HS Code

8207199000

Production Capacity

500000

Key features

CE Certification: Product has passed CE certification for safety and quality standards.

1 Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

Forging Process: Manufactured using high-quality forging process for durability.

Carbon Steel Material: Constructed from premium carbon steel for hardness and strength.

Multiple Sizes: Available in diameters from 32mm to 42mm for various needs.

Fast Delivery: Production takes 10-25 days; only 2-3 days if in stock.

24h Response: Sales team responds to inquiries within 24 hours (excluding holidays).

Strict QC: Experienced QC team ensures strict inspection before shipping.

Company profile

In-stock CapacityFast DeliveryR&D CapabilitiesProduct Certification

Changsha DTH Drill Construction Machinery Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-07-10Nearest Port: Shenzhen, ShanghaiAverage Response Time: ≤4.92hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Changsha, with a stated business scope covering mechanical equipment, hardware, electronic products, instruments, metal products, and general equipment manufacturing. It reports export experience of three years, exports accounting for 41%–50% of total sales, overseas agents or branches, and maintenance and repair services in countries including Peru, Brazil, and Argentina. Reported production capacities cover drilling rigs, reverse-circulation drilling tools, DTH hammers, drill bits, and drill pipes, while customization from samples and designs is available. The supplier holds ISO9001:2015 and CE certifications. Service procedures exist but lack written records, and no overseas warehouse or showroom is available. Financial information is indicated for 2021–2023, but no substantive financial performance details are provided. Innovation evidence is mixed: ODM and OEM services are available, but no new products were reported in the past year and no SDK is...

Supplier typeThe supplier is explicitly classified as a trading company, with its business scope covering sales of mechanical equipment, hardware, electronic products, instruments, leather products, metal products, and related equipment manufacturing. Its associated-company industry is listed as wholesale and retail, reinforcing its trading-oriented profile.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityThe supplier reports maintenance and repair services through overseas agents or branches in Peru, Brazil, Argentina, and other countries. However, its service assessment, corrective-action, and complaint-handling procedures have no written records, and it has no overseas warehouse or showroom, so the evidence supports service availability but not fully documented service controls.

Production capacityStated annual capacities include 500 drilling rigs, 8,000 reverse-circulation drilling tools, 10,000 DTH hammers, 500,000 drill bits, and 100,000 drill pipes, with inventory capability also reported. However, the supplier is classified as a trading company and its valid manufacturing-contract status is unknown, so the scale of directly controlled production is not fully established.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as ODM services. This indicates capability to support customer-specific product requirements, although no examples or scope limitations are provided.