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40mm 7bb Tapered 7 Degree Button Bits Forrock Mining and Quarrying Drilling
US$4.35
100-1,999 Pieces
US$4.30
2,000-4,999 Pieces
US$4.25
5,000+ Pieces
Sample price:US$4.40/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
40mmTrademark
KaiyuOrigin
Taizhou, ZhejiangHS Code
8207199000Production Capacity
1000000 PCS Per MonthKey features
High Drilling Efficiency: Superior technology with longer primary drilling time compared to chisel and cross bits.
Premium Carbide Inserts: Features high-grade tungsten carbide from Boart Longyear for durability.
Customized Color Options: Available in Golden, Yellow, or fully customized colors to meet client needs.
Specialized Heat Treatment: Manufactured with special heat treatment processes for enhanced material strength.
Versatile Button Types: Offers hemispherical, conical, and parabolic button types for different drilling conditions.
Wide Diameter Range: Available in diameters from 30mm to 53mm to suit various drilling systems.
ISO 9001 Certified: Manufacturing process certified under ISO9001:2015 standards.
48 Years Experience: Factory specialized in drilling tools and spare parts for over 48 years.
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: ≤18hTerms 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 35CrMoNiV steel and high-quality tungsten carbide inserts.
Q:What are the available diameter sizes?
A:
Diameters range from 30mm to 53mm, including 30, 32, 34, 36, 38, 40, 42, 50, and 53mm.
Q:Can the color be customized?
A:
Yes, we offer Golden, Yellow, and fully customized color options.
Q:What is the delivery time for orders?
A:
The standard delivery time is 7 to 15 days.
Q:What payment methods are accepted?
A:
We accept T/T, Western Union, and L/C at sight.
Send Inquiry
*To:
Kaiyu (Zhejiang) Drilling Tools Co., Ltd
Kaiyu (Zhejiang) Drilling Tools Co., Ltd*Content:
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