38mm 7 Teeth Tapered Button Bit Rock Drilling With 45CrNiMoVA Steel
Price:
Please contact us
MOQ:
10PCS
Delivery Time:
7-15Days
Brand:
HLDRILL
Product Description
38mm Diameter 7 Teeth Tapered Button Bit for Rock Drilling with 45CrNiMoVA Steel
Product Specifications
| Product Name | 38mm Tapered Button Bit |
| Diameter | 38mm |
| Length | 63mm |
| Carbide Dimension | 2 × 7mm, 5 × 9mm |
| Weight | 0.35 kg |
| Water Holes | 2 on front, 1 on side |
| Skirt Design | Standard |
| Carbide Brand and Grade | YK15.6, YK20, YG8C, YG9C, YG10C, YG11C |
| Steel Grade | 45CrNiMoVA |
Product Overview
The Henglong 38mm 7-Teeth Tapered Button Bit is a high-efficiency drilling tool engineered for medium-hard to hard rock drilling applications. This precision tool delivers stable drilling accuracy, powerful rock-breaking capabilities, and exceptional service life, making it ideal for mining operations, tunnel excavation, and engineering blasting projects.
Taper Angle Options
Common taper angles include 7° and 11°, designed to match different drilling rigs and rock formations:
- 7° Taper Angle: Focuses on drilling stability and precision
- 11° Taper Angle: Prioritizes efficient rock breaking and penetration
Advanced Tooth Design
- 7-Tooth Configuration: Evenly distributed ball-tooth layout for balanced impact force distribution
- Superior Wear Resistance: Prevents excessive wear on individual teeth compared to 5-tooth and 6-tooth designs
- 360° Cutting Capability: Spherical carbide inserts eliminate blind spots and maintain rock-breaking efficiency even after blunting
Product Images

Customization Available: For personalized specifications and custom orders, please contact our technical team for consultation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yanggu Henglong Construction Machinery Co., Ltd.
Location
4F,6# Building,No.19 Hunan Road,Liaocheng City,Shangdong province,China
Contact Person
Alisa Huang