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Kaiyu 60mm 7bb Tapered Button Bits for Rock Hole Drilling
US$9.95
100-1,999 Pieces
US$9.93
2,000-4,999 Pieces
US$9.90
5,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedLength
65mm, 58mmModel NO.
Tapered button bitType
Button BitsMaterial
High Carbon SteelUsage
Well Drilling, Ore Drilling,Mining,Quarrying,TunnelingPower Type
PneumaticCondition
NewProcess
Heat TreatmentColor
Golden, Yellow, Customized.Transport Package
Wooden CaseSpecification
60mmTrademark
KaiyuOrigin
Taizhou, ZhejiangHS Code
8207199000Production Capacity
1000000 PCS Per MonthKey features
High Drilling Efficiency: Superior technology and longer primary drilling time compared to taper chisel and cross bits.
Premium Carbide Inserts: Made with high-grade tungsten carbide from Boart Longyear for high bearing capacity and abrasion resistance.
Customized Options: Color is customized; diameter ranges from 30mm to 50mm with various button counts and taper degrees.
48 Years Experience: Factory specialized in manufacturing drilling tools and spare parts for over 48 years.
Perfect Rod Matching: Accurate taper degree dimensions ensure perfect connection with tapered drill rods for reliable work.
ISO 9001 Certified: Product certified under ISO9001:2015 standard for quality assurance.
Versatile Applications: Ideal for granite and marble quarrying, gold mines, railways, tunnels, and dimensional stone drilling.
Fast Delivery: Standard delivery time is 7-15 days; peak and off-season lead times are within 15 workdays.
Company profile

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-06-01Nearest Port: NINGBO PORT, SHANGHAI PORTAverage Response Time: ≤9.79hTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryKaiyu (Zhejiang) Drilling Tools Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, specializing in rock-drilling products including button bits, DTH bits and hammers, drill rods, and drill pipes. It reports ISO 9001 certification, six production lines, experienced technical and R&D personnel, and a quality-control system. Stated annual capacities include 120,000 button bits, 60,000 DTH bits, and 6,000,000 chisel bits, with lead times of within 15 workdays in both off-peak and peak seasons. The supplier serves multiple global regions and has export capability through agents and self-operated import/export rights. However, the provided information does not substantiate after-sales service arrangements, financial credibility, product customization, or specific customer cases.
Supplier typeThe supplier is described as a trading company and also as a trading company/manufacturer or factory. Its legal form is a limited company located in Zhejiang, China, indicating a mixed commercial and manufacturing profile.
CertificationsThe supplier explicitly reports ISO 9001:2015 Quality Management System Certification and lists ISO 9001 under its management-system certifications. This supports the presence of a documented quality-management certification.
R&D capabilityThe supplier reports experienced and high-tech personnel, foreign equipment and technologies, unique techniques, specialized equipment, and R&D engineers with 6–10 years of experience. These statements support technical development capability, although no specific patented or newly developed products are identified.
Production capacityThe supplier reports six production lines, quality-control inspection, and annual capacities of 120,000 button bits, 60,000 DTH bits, and 6,000,000 chisel bits. It also states order fulfillment within 15 workdays during both peak and off-peak seasons, supporting a substantial and responsive production capability.
Product Q&A
Q:What materials are used for the button bits?
A:
The bits are made from High Carbon Steel (35CrMoNiV) and premium tungsten carbide inserts from Boart Longyear.
Q:What is the available diameter range?
A:
The diameter ranges from 30mm to 50mm, including sizes like 32, 34, 36, 38, 40, 42, 50, and 53mm.
Q:What are the common applications for these bits?
A:
They are used for well drilling, ore drilling, mining, quarrying, tunneling, and dimensional stone quarrying.
Q:What is the warranty or quality guarantee?
A:
The product is ISO9001:2015 certified, and mature welding technology ensures high quality and reliable performance.
Q:What payment terms are accepted?
A:
We accept T/T (Telegraphic Transfer), Western Union, L/C at sight, LC, D/P.
Send Inquiry
*To:
Kaiyu (Zhejiang) Drilling Tools Co., Ltd
Kaiyu (Zhejiang) Drilling Tools Co., Ltd*Content:
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