| Standard sizes |
∅94 ∅113 ∅133 |
| Note |
For the customized size or design,please contact us |
PDC open-closed bits are innovative products that combine the high hardness and wear resistance of diamonds with modern mechanical design.The biggest feature is the precise open-closed mechanism at the bottom of the bit,providing open and close functions.
Product Features
01 Suitable for complex formations
02 Open-close function
03 Stable and robust
Product Showcase
| TKOCB1033 | ∅103 three-wing open-closed drill bit |



| TKOCB1134 | ∅113 four-wing open-closed drill bit |



Product Features of Open-Closed Bits
Our open-closed bits are innovative drilling tools designed. Here are the key features that make our open-closed bits stand out on our e-commerce website tailored for international clients:
1. Combining the best of both open and closed-bit technologies, our open-closed bits provide a balanced performance. The design ensures effective cutting action while maintaining stability and control during drilling operations.
2. Crafted from high-grade, wear-resistant materials, these bits are engineered to withstand the rigors of drilling through various rock formations. Their robust construction ensures long-lasting performance and reduced downtime due to tool failure.
3. Suitable for both soft and hard rock formations, our open-closed bits offer versatility in drilling environments. Whether you're working in shale, sandstone, or limestone, these bits provide consistent performance and reliable results.
4. The cutters on our open-closed bits are strategically arranged to maximize cutting efficiency and minimize energy consumption. This optimized configuration results in faster drilling speeds and lower operational costs.
5. The unique design of our open-closed bits minimizes vibration and chatter during drilling, providing a smoother and more stable drilling experience. This leads to improved hole quality and reduced risk of tool damage.
6.With their extended service life and efficient drilling capabilities,





