Powered by Made-in-China.com

Multi Step Surface Set Diamond Core Bit
US$145.00-300.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customized
CustomizedStandard
ISO, SGSType
Core Drill BitModel NO.
PQ HQ NQ PQ3 HQ3 NQ3Material
DiamondUsage
Ore DrillingTransport Package
Cartons or Wooden CasesSpecification
ISO9001Trademark
FORSUNOrigin
Changsha HunanHS Code
82071910Production Capacity
1000 Per MonthKey features
High Penetration Rate: Surface set design with natural diamonds provides satisfying penetration rates in soft to hard formations.
Customizable Profiles: Offers Semi-round and Stepped profiles to optimize stability and drilling speed for specific kerf thicknesses.
Full Gauge Range: Available in A, B, N, H, P, S, U, Z gauges and various Metric series (T, T6, T6S) covering standard sizes.
Flexible Customization: Supports full customization, minor customization, and flexible options from samples or designs.
Strict Quality Control: 100% visual and function inspection by 8 QA/QC inspectors with full raw material traceability.
Fast Lead Time: Consistent production within 15 workdays for both peak and off-season periods.
ISO & SGS Certified: Meets international standards with ISO and SGS certifications for reliable performance.
Durable Construction: Single layer of natural diamond set on hard matrix crown ensures long bit life and damage avoidance.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 22 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h
AI-Powered supplier vetting
SummaryForsun Ultra-hard Material Industry Co., Ltd. is a China-based limited company established in 2001 with 107 employees, supplying drilling tools and accessories including core bits, core barrels, drill rods, casing pipes, reaming shells, and related equipment. It reports broad customization and ODM capabilities, documented quality and complaint-handling procedures, eight quality inspectors, and stated annual output of 250,000 core bits and 100,000 reaming shells. The supplier has valid manufacturing contracts with associated subcontractors, inventory capability, and lead times within 15 working days in both peak and off-season. However, no certifications, customer cases, overseas agents or branches, overseas warehouse, showroom, or offline trade-show participation are documented. It also does not provide OEM services for popular brands or an SDK. Financial information is present only as year references, without sufficient evidence to assess financial credibility.
Supplier typeThe supplier is identified as Forsun Ultra-hard Material Industry Co., Ltd., a combined business entity and limited company located in Hunan, China. It is not reported as an offshore company or part of a larger company group, and it offers drilling tools and accessories.
After-Sales capabilityThe supplier reports clear, followed procedures for customer complaints and corrective/preventive actions, plus inventory capability and standard quotation/payment options. However, it has no overseas warehouse, showroom, overseas agents or branches, and offers overseas service coverage in zero countries, indicating documented service processes but limited overseas infrastructure.
R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, supporting active product-development capability. It reports no available SDK and does not provide OEM services for popular brands, but these limitations do not negate the stated R&D and ODM capabilities.
Production capacityProduction evidence includes named manufacturing equipment, eight quality inspectors, annual output of 250,000 core bits and 100,000 reaming shells, valid contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season. These stated resources and capacity indicators support production capability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad customization range is reported in both R&D and design-service information.
Product Q&A
Q:What formations is this bit suitable for?
A:
It is recommended for drilling soft to hard formations, with specific profiles available for abrasive or fractured conditions.
Q:What customization options are available?
A:
We offer full customization, minor customization, and flexible options based on samples or designs.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Q:What are the available sizes?
A:
Available in A, B, N, H, P, S, U, Z gauges and various Metric series including T, T6, and T6S.
Q:What is the lead time for production?
A:
The average lead time is within 15 workdays, regardless of peak or off-season periods.
Send Inquiry
*To:
Forsun Ultra-hard Material Industry Co., Ltd.
Forsun Ultra-hard Material Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
7-Step Surface Set Core Drill Bit Hq-3
US$237.00-240.00
1 Piece(MOQ)
Hq Double Tube Wireline Surface Set Core Bit, 7-Step, 40/60spc
US$100.00-200.00
1 Piece(MOQ)
Hq3 Surface Set Face Dicharge Core Bit, 7-Step
US$100.00-200.00
1 Piece(MOQ)
Nq3 Surface Set Core Bit, 5-Step, 10/15spc
US$160.00-200.00
1 Piece(MOQ)
Step 5/Step 7 Surface Set Diamond Coring Drilling Bit
US$100.00-350.00
1 Piece(MOQ)
Bq Nq Hq Pq 5/7 Steps Surface Set Diamond Coreing Drilling Bit
US$50.00-150.00
1 Piece(MOQ)
146 Surface Set Diamond Core Bit Drill Bit
US$60.00-135.00
1 pieces(MOQ)
Surface Set Non-Core Diamond Bit
US$100.00-350.00
1 Piece(MOQ)
146mm 151mm Surface Set Diamond Core Drill Bits for Hard Rock Water Well Drilling
US$15.00-100.00
1 Piece(MOQ)
3PCS High Carbon Steel 4241 Multi Step Drill Bit Sets for Drilling Metal
Negotiable
5 Sets(MOQ)
Vacuum Brazed 6mm Dry Hex Shank Diamond Brazed Core Drill Bit Sets for Porcelain Tile
US$18.00-19.80
10 Pieces(MOQ)
Hq Surface Set Ss Natural Core Bit Steps for Hard Exploration Drilling
US$50.00-200.00
5 Pieces(MOQ)
Bq Nq Hq Bq3 Nq3 Hq3 Surface Set Multi Step Profile Diamond Core Drill Bit
US$120.00-160.00
1 Piece(MOQ)
Diamond Stone Core Drill Bit with Laser Welding for Hard Surfaces
US$1.44-1.61
10 Pieces(MOQ)
Efficiently Drills Through Tiles, Concrete, Brick Surfaces Easily Done Diamond Core Drill Bits
US$9.20-10.00
10 Pieces(MOQ)
Hq Surface Set Ss Natural Diamond Drilling Bits Steps for Precision
US$50.00-200.00
5 Pieces(MOQ)



















