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36mm 7teeth Chinese Manufacture Tapered 7 11 12 Degree Drill Bits for Rock Drilling
US$4.00
100-1,999 Pieces
US$3.90
2,000-4,999 Pieces
US$3.80
5,000+ Pieces
Sample price:US$4.30/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedLength
65mmModel 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
36mmTrademark
KaiyuOrigin
Taizhou, ZhejiangHS Code
8207199000Production Capacity
1000000 PCS Per MonthKey features
High Drilling Efficiency: Superior technology and longer primary drilling time compared to chisel and cross bits.
Premium Carbide Inserts: Uses high-grade tungsten carbide from Boart Longyear for high bearing capacity and abrasion resistance.
Customized Options: Color is customized; diameter, button count, and taper degree are available in multiple specifications.
48 Years Experience: Factory specialized in manufacturing drilling tools and spare parts for over 48 years.
ISO9001 Certified: Manufacturing process certified under ISO9001:2015 standard for quality assurance.
Perfect Rod Match: Accurate taper degree dimensions ensure perfect connection with tapered drill rods.
Flexible Payment: Supports T/T, Western Union, and L/C at sight for convenient transactions.
Fast Delivery: Standard delivery time is 7-15 days, with peak and off-season lead times 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: ≤15hTerms 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 these drill bits?
A:
The bits are made from High Carbon Steel (35CrMoNiV) and feature premium tungsten carbide inserts from Boart Longyear.
Q:What is the warranty period for this product?
A:
The provided product description does not specify a warranty period. Please contact the supplier for specific warranty terms.
Q:Can I customize the color of the drill bits?
A:
Yes, the color is customized. Options include Golden, Yellow, or other customized colors as per your requirements.
Q:What is the typical delivery time?
A:
The standard delivery time is 7-15 days. Both peak season and off-season lead times are within 15 workdays.
Q:What payment methods are accepted?
A:
We accept T/T (Telegraphic Transfer), 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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