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Bq Impregnated Diamond Core Drill Bits for Hard Rock Mining Drilling
US$60.00
1-49 Pieces
US$55.00
50-99 Pieces
US$50.00
100+ Pieces
Product specifications
BQ series
Sample price:US$60.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
Internationally AcceptedModel NO.
BQLength
15Type
Core Drill BitMaterial
DiamondUsage
Core DrillingCrown Height
15mm Customization SupportedWater Outlets
Customization SupportedHRC
-10°-50°Series
H3/H5/H7/H9/H11/H13Transport Package
Wooden Box/Paper Box/Protective BoxSpecification
Impregnated dimond bitsTrademark
EZdrillOrigin
Huanggang City, Hubei Province, ChinaHS Code
8207191000Production Capacity
20000Key features
15mm Standard Crown Height: Delivers 25-30% more drilling footage compared to industry average of 10-12mm.
Multi-Hardness Matrix Series: Six series (H3-H13) cover soft to ultra-hard rock without switching bits.
Customizable Crown Height: Crown height customization supported to meet specific drilling requirements.
Customizable Water Outlets: Water outlet customization supported for optimized drainage and cooling.
Premium Diamond Material: Uses synthetic diamond and metal powder with unique vacuum sintering technology.
Wide Size Compatibility: Available in Wireline, T, TT, T6, B, MLC, LTK, WF, TW, WT, WG, WM, and Chinese standard sizes.
Fast Standard Delivery: Standard products shipped within 3-7 working days; urgent orders in 3 days.
Custom Labels and Logos: Free customization for orders over 200 pieces to meet branding needs.
Company profile
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: 3 Years CertifiedNearest Port: Wuhan Port, Shanghai Port, Shenzhen PortAverage Response Time: ≤1.71h
AI-Powered supplier vetting
SummaryThe supplier manufactures and sells metal tools, non-metallic mineral products, non-ferrous metal alloys, construction machinery, geological exploration equipment, and specialized oil-drilling equipment. It reports 100% finished-product inspection, two quality inspectors, a stated annual core drill bit productivity of 240,000 pieces, and production equipment including laser cutting, milling, NC lathe, sawing, boring, heat press, and cold press machines. Customization is offered from samples, designs, and full specifications. The supplier holds ISO9001:2015 and CE certifications and reports regular fire drills. Peak- and off-season lead times are each within 15 workdays. However, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory, no overseas warehouse, and no overseas showroom. OEM service for known brands is reported, but no customer names or specific cases are provided. Financial records contain stated numeric values but no currency or scale, so financial...
Supplier typeThe supplier is a manufacturer and seller of metal tools, non-metallic mineral products, non-ferrous metal alloys, construction machinery, geological exploration equipment, and specialized equipment for petroleum drilling and production. The stated scope supports classification as an industrial equipment and tooling manufacturer rather than a general trading supplier.
CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification in multiple slices. It also reports conducting regular fire drills during the past year, providing additional operational-safety evidence, although no separate fire-safety certification is stated.
Production capacityProduction evidence includes 100% finished-product inspection, two quality inspectors, listed machining and processing equipment, annual core drill bit productivity of 240,000 pieces, and lead times within 15 workdays in both seasons. The supplier also reports no valid manufacturing-capacity contract with related subcontractors and no inventory capability, which limits evidence regarding capacity resilience and fulfillment backup.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and reports OEM service for well-known brands. These statements directly support a broad customization offering, although no project examples or technical customization limits are given.
Product Q&A
Q:What is the standard crown height?
A:
The standard crown height is 15mm, which is higher than the industry average of 10-12mm, providing 25-30% more drilling footage.
Q:Can the crown height and water outlets be customized?
A:
Yes, both crown height and water outlets are customizable to support specific drilling needs.
Q:What rock types are covered by the different matrix series?
A:
The H3-H13 series cover soft rock (shale), medium-hard rock (sandstone), hard rock (granite), and ultra-hard rock (quartzite).
Q:What is the delivery time for standard and customized orders?
A:
Standard products take 3-7 working days, while customized products take 20-25 working days. Urgent orders can be shipped within 3 days.
Q:Is sample testing available?
A:
Yes, 1-3 pieces are available for testing. The sample fee is fully refunded for the next order if the quantity is 50 pieces or more.
Send Inquiry
*To:Hubei EZdrill Tools Co., Ltd.
*Content:
Supplier replies will be sent to your registered email
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