Powered by Made-in-China.com

Maxdrill 89mm 3 1/2 Inch 13 Buttons St58 Drop Center Retrac Skirt Thread Button Bit for Benching and Long Hole Drilling
US$43.80
10-49 Pieces
US$41.50
50-99 Pieces
US$38.50
100-199 Pieces
US$34.20
200+ Pieces
Sample price:US$139.68/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
GB/T2828.1-2003Model NO.
3089ST5813DRA-66Length
Thread LengthType
Rock Drilling BitMaterial
Alloy Steel & Tungsten CarbidesUsage
Rock DrillingProduct Name
Drilling Rig Top HammerDiameter
89mmPart No.
3089st5813dra-66Thread
St58 Button BitClass
MiddelApplication
Drifting&TunnelingBrand Name
MaxdrillMachine Type
Drilling ToolsUse
Ore MiningBody
Retrac Skirt, Standard SkirtButton Bit
Drop Center, Flat FrontOther Thread
R25, R32, R35, T45, T51, St58, St68, Gt60Key Words
Rock Drilling BitApplication Industries
Construction Works, Energy & MiningType Name
Drill BitTransport Package
Carton&Plywood PalletSpecification
Dia.: 64MM-89MMTrademark
MaxdrillOrigin
ChinaHS Code
82071300Production Capacity
10000/PC YearKey features
Versatile Button Shapes: Available in Hemispherical, Ballistic, Semiballistic, and Conical shapes for different rock hardness.
Customization Options: Supports customization from samples, designs, full customization, and flexible minor adjustments.
Strict Quality Control: 100% visual inspection by experienced QC team before shipping to ensure product quality.
Fast Delivery: Normal production takes 25 days; only 2-3 days if stock is available for requested sizes.
Comprehensive After-Sales: 24-hour sales response, 24/7 technical support, and free replacement for quality failures.
Durable Material: Constructed from high-quality Alloy Steel and Tungsten Carbides for rock drilling applications.
Wide Application: Suitable for drifting, tunneling, ore mining, construction works, and energy & mining sectors.
Multiple Thread Types: Compatible with various thread types including R25, R32, R35, T45, T51, St58, St68, and Gt60.
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: 20 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤5.92h
AI-Powered supplier vetting
SummaryThe supplier is identified as a combined company and a trading company located in Guiyang, with associated-company activity in wholesale and retail. It demonstrates broad customization, ODM availability, recent product development, and OEM service for well-known brands. Production information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings. Export sales account for 71%–90%, with markets in South America, Europe, and North America. Service procedures for supplier assessment, corrective actions, and complaint handling are documented and followed. However, the supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation; it also has no available SDK. Finished-product inspection has instructions but no written records. No certification information or specific customer names/cases are provided.
After-Sales capabilityThe supplier has clear procedures and followed records for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent or branch, and no offline trade-show participation, while the stated number of countries offering overseas services is zero; this supports documented complaint handling but limited overseas service infrastructure.
R&D capabilityThe supplier reports new products during the past year and provides ODM services, demonstrating product-development activity. Nevertheless, it has no available SDK, and total R&D engineer experience is stated as two years, so the evidence supports some innovation capability but not a strong or broad technical platform.
Production capacityProduction information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings, with exports representing 71%–90% of total sales. The supplier also cites self-provided raw materials, advanced production equipment, and staff training; however, finished-product inspection has instructions but no written records.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently in both the R&D and manufacturing information, indicating broad customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of branded-customer experience. No brand names, project descriptions, order references, or independently verifiable customer cases are provided.
Product Q&A
Q:What payment methods are accepted?
A:
We accept T/T (Telegraphic Transfer), Western Union, L/C at sight, LC, D/P, PayPal, and small-amount payments.
Q:What is the production lead time?
A:
Normally it takes 25 days for production based on order quantity. If we have stock for your requested size, it takes only 2 or 3 days.
Q:How can I ship my order?
A:
For sample orders, we suggest courier express like DHL/UPS/TNT/FEDEX or by air. For bulk orders, we suggest by air or by sea.
Q:What is your quality control process?
A:
We have an experienced QC team that performs strict inspection and testing for every order before shipping out.
Q:What after-sales services do you provide?
A:
Our sales team responds within 24 hours (Holidays Excluded), technical support is available anytime, and free replacement is provided for confirmed quality failures.
Send Inquiry
*To:
Maxdrill Rock Tools Co., Ltd.
Maxdrill Rock Tools Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Maxdrill Best Price Rock Drilling Thread Button Bit St58-89mm Retrac Spherical
US$33.48-42.78
1 Piece(MOQ)
3 1/2'' 89mm IADC 117 Center Hole Tricone Roller Cone Drill Bit Application
US$100.00-800.00
1 Piece(MOQ)
Maxdrill High Performance Factory Price Hot Sale T45 115mm 14 Tips Drop Center Thread Button Bit
US$40.00-50.00
20 Pieces(MOQ)
Maxdrill Good Quality Long Life Surface Drilling Tools T45 89mm Drop Center Drill Bit
US$65.00-76.00
10 Pieces(MOQ)
13 1/2 Inch 6 Wings Steel Body PDC Bit for Oil Well Drilling
US$5,100.00-5,200.00
1 Piece(MOQ)
3 1/2''89mm Milled Tooth Roller Chisel Tricone Drill Bit Supplier
US$100.00-750.00
1 Piece(MOQ)
API Certified 5 1/2 Inch Tungsten Matrix Body PDC Bit for Efficient Well Drilling,
US$2,280.00
1,980 Pieces(MOQ)
Flat Face FF and Drop Center DC Thread Button Bit
US$15.00-330.00
10 Pieces(MOQ)
Drop-Center T45 Button Bits Mining Drill Bits
US$20.00-60.00
50 Pieces(MOQ)
13 1/2 Inch Steel Body 6 Blades PDC Bit for Oil Gas Well
US$5,100.00-5,200.00
1 Piece(MOQ)
Drop Center and Flat Face Thread Button Bit with Spherical or Ballistic Buttons
US$15.00-330.00
10 Pieces(MOQ)
Factory Steel Matrix Body 6 Blades PDC Button Drill Bit
US$800.00-900.00
1 Piece(MOQ)
13-1/2 Inch Outer Diameter Diamond Cutting Well Drilling Rig Bit
US$8,000.00-13,000.00
1 Piece(MOQ)
API 7-1 Standard 12-1/2 Inch New TCI Tricone Roller Bit with Three Blades Forwater Well Drilling Bit
US$1.00-8,888.00
1 Piece(MOQ)
Diamond PDC 3" (76.2mm) to 17 1/2" (444.5mm) Inch Drill Bit
US$1,000.00-2,000.00
1 Piece(MOQ)
13 1/2'' IADC 117 Steel Tooth Tricone Roller Bit China Factory Supplier
US$1,000.00-3,000.00
1 Piece(MOQ)
6 1/2 Inch IADC 637 TCI Tricone Roller Bit with 3 1/2 Reg for Hard Rock Drilling
US$1,200.00
1 Piece(MOQ)
Discount! 8 1/2 Inch 5 Blades Steel Matrix PDC Bit
US$1,000.00-3,000.00
1 Piece(MOQ)
64mm T38 Drop Center Bits with Ballistic Buttons Retarac Drilling Bits
US$50.00
50 PCS(MOQ)














