Powered by Made-in-China.com
34mm 7bb Tapered 7degree Button Bits for Rock Drilling
US$3.50
100-1,999 Pieces
US$3.45
2,000-4,999 Pieces
US$3.40
5,000+ Pieces
Sample price:US$3.60/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
34mmTrademark
KaiyuOrigin
Taizhou, ZhejiangHS Code
8207199000Production Capacity
1000000 PCS Per MonthKey features
Customized Color Options: Available in Golden, Yellow, or fully customized color to meet specific requirements.
High Efficiency Drilling: Features tungsten carbide inserts for longer primary drilling time and higher efficiency compared to chisel bits.
Premium Material Quality: Constructed from 35CrMoNiV steel with high-grade Boart Longyear tungsten carbide inserts.
Versatile Button Configurations: Offers 4 to 9 button options including hemispherical, conical, and parabolic types for various drilling needs.
Wide Diameter Range: Available in diameters from 30mm to 53mm with taper degrees of 7, 11, and 12 degrees.
Fast Delivery Time: Standard delivery within 7-15 days, with peak and off-peak lead times both within 15 workdays.
Long Manufacturing Experience: Factory specialized in drilling tools and spare parts for over 48 years since 2004.
Comprehensive OEM/ODM Service: Full OEM and ODM services available with 2 dedicated R&D engineers for custom designs.
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 is the delivery time for these bits?
A:
The standard delivery time is 7-15 days. During peak or off-peak seasons, lead time remains within 15 workdays.
Q:Can the color of the button bits be customized?
A:
Yes, the bits are available in Golden and Yellow, and we offer fully customized color options.
Q:What materials are used to manufacture these bits?
A:
They are made from 35CrMoNiV steel and feature high-grade tungsten carbide inserts from Boart Longyear.
Q:What are the available diameter and taper options?
A:
Diameters range from 30mm to 53mm, with taper degrees of 7, 11, and 12 degrees.
Q:What is the warranty or quality guarantee?
A:
We provide high-quality assurance with mature welding technology and accurate dimensions, backed by 48 years of manufacturing experience.
Send Inquiry
*To:
Kaiyu (Zhejiang) Drilling Tools Co., Ltd
Kaiyu (Zhejiang) Drilling Tools Co., Ltd*Content:
Supplier replies will be sent to your registered email
You may also like
34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling
US$6.20-6.50
100 Pieces(MOQ)
7/8 Buttons Tapered Rock Button Drill Bit Kato (32mm/34mm/36mm/38mm)
US$5.00
50 Pieces(MOQ)
Premium Tapered Button Bits for Mining - 32mm, 34mm, 36mm
US$4.99-9.99
100 Pieces(MOQ)
30mm Tungsten Carbide Tapered Button Bit for Mining Projects
US$2.99-3.99
100 Pieces(MOQ)
34mm Tapered 7 11 12 Degree 6 Buttons Chinese Factory Drill Bits for Rock Drilling
US$3.40-3.60
100 Pieces(MOQ)
8 Buttons 7 11 12 Degree Tapered Rock Drill Button Bits Rock Drilling Bits
US$3.70-3.90
50 Pieces(MOQ)
Premium Tapered Button Drill Bits for Superior Rock Performance
US$5.99-35.00
50 Pieces(MOQ)
High-Performance 34mm Tapered Button Bit for Rock Drilling
US$2.99-3.99
100 Pieces(MOQ)
Rock Drilling Tool 32mm and 34mm Tungsten Carbide Taper Drill Button Bit for Stone
US$160.00
1 Piece(MOQ)
32mm 7 Buttons Tapered Top Quality Rock Drill Bits for Rock Drilling
US$3.30-3.50
100 Pieces(MOQ)
4 7 6 8 Button Tapered Rock Drill Bits for Hard Rock Mining Quarry
US$160.00
1 Piece(MOQ)
34mm 8 Buttons 7 12 Degree Tapered Button Bits for Rock Drilling and Mining
US$3.30-3.50
100 Pieces(MOQ)
34mm 11 Degree Tapered Button Bit for Granite Drilling
US$6.20-6.30
100 Pieces(MOQ)
Tungsten Carbide Tapered Button Bit for Drilling
US$5.00
200 Pieces(MOQ)
High Precision Button Bits for Rock Drill Rod 36mm with Tapered
US$10.00
20 pieces(MOQ)
Kt Tapered Drilling Bit Horseshoe Chisel Bit (7degree) for Mining
US$4.00
20 pieces(MOQ)
7 Degree 32mm 34mm 36mm 38mm Taper Button Bit for Rock Drill
US$3.00
100 Pieces(MOQ)



















