What sizes are available for the core bits?

We offer all standard drilling sizes including AQ, BQ, NQ, HQ, PQ, and their variants, as well as non-standard sizes based on client requirements.

Can the matrix height be customized?

Yes, matrix height options include 6mm-8mm (most cost-effective), 8mm-10mm (long service life), and 12mm-16mm (super service life).

Best Quality and High Efficiency Pq Diamond Core Bit for Rock Drilling with Drilling Rig Machine

Name: Best Quality and High Efficiency Pq Diamond Core Bit for Rock Drilling with Drilling Rig Machine
Brand: Changsha Xingtan Machinery Co., Ltd
SKU: 1985930352

Hunan, ChinaChangsha Xingtan Machinery Co., Ltd

US$130.00-200.00

1 Piece

Product profile

Customization

Available

Type

Core Drill

Usage

Metal Drilling, Well Drilling

Model NO.

Size

Nq Hq Pq

Color

OEM

Weight

2kgs

Material

Diamond

Matrix Height

8mm

Drilling Rock

Very Hard

Transport Package

by Sea or by Air

Specification

1KGS

Trademark

Xingtan

Origin

China

HS Code

8207191000

Production Capacity

10000PCS

Key features

High Efficiency Drilling: Fast penetration rate with long service life due to uniform diamond distribution.

Customizable Sizes: Available in all standard sizes (AQ to PQ) and non-standard sizes per client requirements.

Diverse Configurations: Various crown profiles, waterways, and thread types to match different ground conditions.

OEM Color Service: Color can be customized according to client needs.

Factory Direct Supply: Direct from manufacturer with over 20 years of experience in drilling tools.

Wide Application Range: Suitable for metal drilling, well drilling, and various rock hardness levels.

Quality Assurance: High-quality synthetic diamonds embedded in powdered metal bond for durability.

Competitive Pricing: Maintains competitive prices to ensure customer benefits and long-term partnership.

Company profile

Changsha Xingtan Machinery Co., Ltd

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2008-07-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.75h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryChangsha Xingtan Machinery Co., Ltd. is identified as a Chinese manufacturer/factory based in Hunan, specializing in drilling rigs, drill tools, core bits, mud pumps, casing, and related testing equipment. The supplier reports ISO 9000 and ISO 9001 certification, more than 10 production lines, 11–20 years of staff and R&D engineer experience, and 6–10 quality-control staff. It states that standard and customized products are available and indicates export activity across multiple regions, with stated lead times of within 15 workdays in both off-peak and peak seasons. Evidence of customer activity is limited to two recorded transactions for each of four product descriptions involving one buyer in Tanzania; these records do not establish broad customer coverage or product-specific performance. Financial strength and after-sales capability cannot be reliably assessed from the provided information.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and operates as a limited company in Hunan, China. This directly supports its positioning as a manufacturing supplier rather than solely a trading intermediary.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These stated certifications provide explicit evidence of formal quality-management-system recognition.

R&D capabilityThe supplier reports 11–20 years of R&D engineer experience, advanced production technology, and the ability to provide products according to customer drawings and requirements. This supports an established technical-development capability, although no specific patented technology, new product record, or R&D output is provided.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and lead times within 15 workdays during both off-peak and peak seasons. Together with its manufacturer/factory classification, these statements explicitly support substantial production and delivery capability.

Customization capabilityThe company explicitly states that, in addition to standard products, it provides customized products based on clients' drawings and requirements. This is direct evidence of customization capability, although the slices do not define the engineering scope or customization limits.