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30mm Roof Bolt Diamond Thick PDC Drill Bits for Coal Mining
US$7.00
20-49 pieces
US$6.00
50-99 pieces
US$5.00
100+ pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
as NeededWarranty
as NeededModel NO.
30mmCertification
ISO 9001:2000, ISO 9001:2008Standard
AISISurface Treatment
Spray-PaintManufacturing Process
ForgingMaterial
45crnimovWeight (Kg)
0.3Condition
NewUsage
Mining IndustryBit Type
PDC Core Diamond BitMachine Type
Drilling EquipmentUse
Support HoleColor
CustomizedVideo Outgoing-Inspection
ProvidedType
Diamond Coreless Drill BitsAdvantage
Wear ResistantThread Type
Male Female ThreadApplication
Mine, Traffic and Other Anchor Mesh Support HolesMachinery Test Report
ProvidedSize
30mmPacking
Wooden Case&CartonsTransport Package
Wooden CaseSpecification
30mmTrademark
SPEEDMADEOrigin
Hunan, ChinaHS Code
82071300Key features
Extended Lifespan: Life span is 10 to 30 times longer than alloy drill bits.
High Wear Resistance: Made of high-quality PDC cutters with superior impact resistance.
Versatile Application: Suitable for conglomerate, granite, limestone, and coal mines.
Custom Color Options: Available in gold, silver, black, or customized colors.
Diverse Size Range: Drilling diameters from 25mm to 42mm available.
Custom Design Service: Production and design available based on customer drawings.
ISO 9001 Certified: Certified under ISO 9001:2000 and ISO 9001:2008 standards.
Low MOQ: Minimum order quantity is only 1 piece.
Company profile
Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryThe supplier operates in metal tool, drilling equipment, mining machinery, mechanical equipment, and related metal-product businesses. It reports ISO9001:2015 and ISO14001 certifications, as well as additional management-system certifications including BSCI, TS16949, and GMP, although the applicable scope and validity are not specified. Service procedures, corrective-action procedures, and complaint-handling records are stated to exist. The supplier offers OEM and ODM services and launched new products during the past year, but it has no available SDK and only two R&D engineers are reported. Production information includes five production lines and 31–40 quality-control staff; the stated output figure is omitted for privacy. Financial records are identified for 2021–2023, but no financial results are provided. No Fortune 500 cooperation is reported, and overseas-service coverage is listed as zero.
Supplier typeThe supplier is a manufacturer and seller of metal tools, drilling and oil-production equipment, mining machinery, mechanical parts, hardware, and metal materials. Its product description specifically covers drill bits for water wells, natural gas, oil, coal, geothermal, and geological exploration applications.
CertificationsThe supplier reports ISO9001:2015 and ISO14001 certifications, while another slice lists BSCI, TS16949, ISO9001, and GMP management-system certifications. The records do not specify certificate scope, issuing bodies, or validity dates, but they explicitly evidence multiple certifications.
After-Sales capabilityThe supplier states that it has written procedures and implementation records for service capability assessment, corrective and preventive actions, and customer complaint handling. However, overseas-service coverage is recorded as zero, so the evidence supports formal service processes but not broad international service reach.
R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has R&D engineers with 6–10 years of total experience. It also reports only two R&D engineers and explicitly states that no SDK is available, indicating some product-development capability but limited evidence of broader technical resources.
Production capacityThe supplier reports five production lines and 31–40 quality-control staff, providing explicit evidence of an organized manufacturing and quality-control setup. The supplier also states an annual production-output range, but that figure is excluded here under the privacy requirement; product-specific capacity is not provided.
Customization capabilityThe supplier explicitly offers ODM and OEM services and provides different drill-bit models and sizes for varied applications and rock conditions. This supports customization capability for relevant products, although the scope of engineering changes and customization limits is not detailed.
Client casesThe supplier explicitly reports no cooperation with Fortune 500 companies. Although it states a preference for repeat buyers at 80%–100%, no named customers, reference projects, or verifiable customer cases are provided.
Product Q&A
Q:What are your main products, and used for?
A:
Our products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, SPT equipment, drill rig and other drilling parts. They are mostly used for mineral exploration, geological drilling, geotechnical engineering, building wells drilling and soil sampling.
Q:Do you agree sample order?
A:
Yes, we are welcome your sample order to testing our quality.
Q:Can we select the color of the drill bit?
A:
Yes, we have standard rock hardness select index to choose drill bit matrix hardness. If you need, we can make the drill bit color based on yours.
Q:How about the payment, Mini. Quantity and delivery methods?
A:
1. Payment: T/T, L/C, Western Union, Paypal, 2. Min. order quantity: 1 piece. 3. Transportation: By DHL/TNT/Fedex express, air transportation, sea and train.
Q:How does your company control the quality?
A:
1.Quality first. In order to guarantee high quality , SEEDMADE always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004. 2.To Build good after -sale service system, we draw up the Quality Guarantee accordingly to the industrial standards combining field experience.Pls. see the Quality Guarantee.
Send Inquiry
*To:
Qidong Fengsu Drilling Tools Co., Ltd.
Qidong Fengsu Drilling Tools Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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