Powered by Made-in-China.com
Premium Heavy-Duty Core Drill Bits with Lifetime Guarantee
US$4.50-50.00
50 Pieces
Sample price:US$30.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedLength
CustomizedType
Core Drill BitMaterial
DiamondUsage
Tiles DrillingShipping Cost
Contact The Supplier About Freight and Estimated DSecure Payments
Every Payment You Make at Made-in-China.com Is PRORefund Policy
Claim a Refund If Your Order Doesn't Ship, Is MisColor
CustomizableFeatures
Fast Speed, High EfficiencyFormation
Medium Hard, Hard Rock FormationTransport Package
Hang TagSpecification
customizedTrademark
DiaflexOrigin
ChinaHS Code
8207501000Key features
Diamond Coated Edges: Vacuum brazed diamond coating ensures smooth, clean cuts without chipping.
Wide Diameter Range: Available in diameters from 6mm to 150mm for various drilling needs.
Multi-Material Compatibility: Ideal for drilling granite, marble, porcelain, ceramic, and artificial stone.
Customizable Options: Color and length are customizable to meet specific project requirements.
High Efficiency Design: Fast speed and high efficiency for precise drilling in medium hard to hard rock.
Broad Machine Compatibility: Works seamlessly with angle grinders, impact drills, and CNC machines.
Premium Durability: Constructed from top-tier materials for remarkable longevity and value.
Company profile
Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤0.75h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
AI-Powered supplier vetting
SummaryDiaflex (Changxing) Tools Co., Ltd. is a China-based trading company established in 2024 with six employees. It offers OEM/ODM and multiple customization options, supported by stated technical assistance, but it reported no new products launched in the past year and no available SDK. Operational fulfillment capacity appears limited: it has no stated manufacturing-capacity contract, inventory, overseas warehouse, or overseas showroom. Service and quality-control systems are insufficiently documented, with no written complaint-handling or corrective-action procedures and zero quality-control test equipment reported. Financial information is represented only by years, without assessable performance figures. The supplier accepts several payment methods, reports one-month lead times in both peak and off-season, and exports 51%–70% of total sales. No certification evidence or customer cases are provided.
After-Sales capabilityThe supplier states that it provides service before, during, and after sales and accepts multiple payment methods, but it has no written complaint-handling or corrective/preventive-action procedures or records. The stated service commitment is therefore not supported by documented systems.
R&D capabilityThe supplier reports no new products launched during the past year and no available SDK, which are explicit limitations. It does state that technical support can develop specific items to customer requests, but this does not establish broader product innovation capability.
Production capacityThe supplier reports no valid manufacturing-capacity contract with its factory or related subcontractors, no inventory capability, and zero quality-control test equipment. Although it reports 15 qualified service suppliers and one-month average lead times, the evidence shows material deficiencies in documented production and quality-control readiness.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and states that OEM and ODM are available with technical support for specific customer requirements. This is direct evidence of broad customization capability.
Product Q&A
Q:What materials can this core drill bit cut?
A:
It is ideal for drilling granite, marble, porcelain, ceramic, tiles, and artificial stone.
Q:What is the diameter range of the drill bits?
A:
The diameter ranges from 1/4 inch (6mm) to 6 inches (150mm).
Q:Is the product customizable?
A:
Yes, both color and length are customizable options.
Q:How should I use the drill bit to prevent overheating?
A:
Apply consistent pressure and use ample water to cool the bit during drilling.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1000 pcs.
Send Inquiry
*To:
Diaflex (Changxing) Tools Co., Ltd.
Diaflex (Changxing) Tools Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Premium Heavy-Duty Titanium Coated Wood Auger Drill Bit Set
US$1.00-5.00
1,000 Pieces(MOQ)
Premium Heavy-Duty DTH Drill Bits for Tough Applications
US$40.00-300.00
1 Piece(MOQ)
Heavy-Duty DHD360 Mining Drill Bit with Durable Spherical Inserts
US$40.00-300.00
1 Piece(MOQ)
Gl380sk-290mm Heavy Duty DTH Drill Bit with Superior Wear Resistance
US$1,300.00
20 Pieces(MOQ)
Heavy Duty 3 7/8" 4 Blades PDC Drill Bit with Four Blades
US$380.00
5 Pieces(MOQ)
Premium 28mm Tapered Drill Bit for Heavy-Duty Applications
US$2.99-3.99
100 Pieces(MOQ)
Premium Carbide Tipped Heavy-Duty Masonry High-Speed Concrete Drill Bit Set for Precise Drilling
US$0.10-2.99
100 Pieces(MOQ)
64mm R32 Coal Mining Drill Button Bit with Heavy Duty Skirt
US$40.00-53.00
10 Pieces(MOQ)
Heavy-Duty Diamond Core Drill Bit for Tough Applications
US$29.00-60.00
2 Pieces(MOQ)
Premium Diamond Core Drill Bit with Lifetime Warranty Included
US$0.50-5.00
50 Pieces(MOQ)
Premium Carbide Tipped Heavy-Duty Masonry High-Speed Concrete Drill Bit Set for Precise Drilling
US$0.10-2.99
100 Pieces(MOQ)
Premium Heavy-Duty Diamond Core Drill Bits for Precision Cutting and Durability
US$4.00-60.00
50 Pieces(MOQ)
Heavy - Duty Tasks Reliable High Quality Diamond Core Drill Bit
US$1.20-1.80
100 Pieces(MOQ)
Ntw Premium Heavy-Duty Diamond Drill Bit for Mining
US$29.00-34.00
2 Pieces(MOQ)
Gl380sk-285mm Heavy Duty DTH Drill Bit with Superior Wear Resistance
US$1,300.00
20 Pieces(MOQ)
Heavy-Duty Tungsten Carbide Core Drill Bit for Masonry
US$2.22-2.34
200 Pieces(MOQ)
Heavy-Duty Premium Tricone Drill Bits for Extreme Conditions
US$2,388.00-2,550.00
2 Pieces(MOQ)
Heavy Duty Diamond Drill Bit Core Drill Tool with Diamond Segment for Hard Concrete Drilling Task
US$2.70-8.90
20 Pieces(MOQ)
Gl380sk-242mm Heavy Duty DTH Drill Bit with Superior Wear Resistance
US$1,300.00
20 Pieces(MOQ)
Heavy-Duty Premium Threaded Drill Bits for Rock Mining
US$50.00-150.00
1 Piece(MOQ)


















