he C1319 is an extended, tapered DEC insert designed specifically for PDC drill bits, performing three core functions: center cutting teeth, depth limiting/reaming teeth, and shock-absorbing teeth. This advanced insert is manufactured using premium polycrystalline diamond and tungsten carbide matrix, making it ideal for tapered drill bits, down-the-hole drill bits, engineering tools, and rock-breaking equipment. With its optimized tapered tip design, the C1319 maintains stable performance under harsh wear and impact conditions, making it an indispensable wear part in construction, mining, and excavation engineering worldwide.Play
Parameter Table
| Model NO. | C1319 | Length | Standard |
| Type | PDC Cutter/Insert/Button | Material | Tungsten Carbide |
| Usage | Well Drilling, Oilfield,Gas Field,Mining Industry,Construction | Wear Resistance | Super High |
| Thermal Stability | 750℃,800℃,850℃,900℃ | Production Process | Hthp Sintering |
| Diamond Grade | PCD | Substrate Material | Tungsten Carbide |
| Total Height | 5~34 | Tolerance | ±0.02mm |
| Impact Toughness | Excellent | Certification | ISO 9001 |
| Shape | Round | Matched Drill Bit | PDC Drill Bits, Core Bits, Tricone Bits, Drill Pipes (We also offer custom drill bit manufacturing) |
| MOQ | 100PCS | Specification | 1319 |
| Transport Package | Customized, Carton/Wooden Case | Origin | China |
| Trademark | Ninestones | Production Capacity | 10000pieces/Year |
Applicable Strata
Perfect for medium-soft to medium-hard mixed formations with compressive strength 20~82MPa: silt clay, sand-gravel interlayer, weathered mud shale, medium dense sandstone, limestone, altered metamorphic rock and alternate soft-hard clastic strata. It handles heterogeneous layered ground with fine abrasive sand inclusions smoothly. Standard C1319 is not recommended for continuous drilling of ultra-hard dense granite or high-silica chert; customized high-hardness modified version is available for super-hard rock scenarios upon request.
Core Product Advantages
Outstanding Wear Resistance
Working surface adopts high-density synthetic polycrystalline diamond layer; service lifespan reaches 5~8 times of full solid carbide inserts, drastically reducing frequent downtime for tooth replacement and cutting clients’ overall procurement cost on consumables.
Superior Anti-impact Performance
Gradient transition bonding between diamond layer and WC substrate buffers sharp rock collision & alternating drill vibration; anti-chipping capability improves over 25% vs ordinary alloy cutters, avoiding tip breakage during interbedded rock drilling.
High Compression Resistance for Heavy Drill Load
Integral HPHT sintered blank without internal loose pores; dense structure bears high downhole drilling pressure without deformation or cracking, ideal for heavy-load piling & open-pit mining drilling.
Excellent High-temperature Thermal Stability
Rated thermal stable up to 750℃; diamond layer will not graphitize or delaminate under continuous dry-drilling friction heat, supporting non-stop long-hour high-temperature underground drilling.
Triple-in-one Multi-functional Design
Single C1319 insert can be mounted as center positioning tooth, outer gauge reamer tooth or vibration-damping tooth on the same PDC bit, replacing three separate spare part models and minimizing customers’ inventory capital & storage pressure.
Interchangeable with whole C13 series drill base
Uniform outer diameter of 13.44mm matches C1313/C1315/C1317/C1318 perfectly; no extra base machining required for old drill bit retrofitting to cut equipment upgrade cost sharply.
Precise Size Specifications
Standard C1319 features outer diameter D=13.440mm, total overall height H=19.050mm, dome spherical radius SR=2.0mm and fixed exposed cutting height of 6.5mm, making it the longest total-height variant among all 13.44mm OD C13 series inserts ranging from C1313 to C1318; our full DEC product portfolio covers sizes from tiny C0606 (6.421mm diameter mini insert) up to oversized C3129 (30.5mm diameter heavy-duty cutter), with differentiated dome radius & exposed height for flexible matching of different drill bit calibers and drilling conditions.
Material and Core Technology
HPHT Composite Sintering
Bond premium PCD wear layer and high-toughness cobalt tungsten carbide substrate under 5.5GPa ultra-high pressure & over 1500℃ high temperature; optimized interlayer bonding eliminates hidden risk of diamond peeling or delamination under heavy load.
Precision One-step Forming
Exclusive high-precision alloy mold for blank pressing; full dimensional tolerance strictly controlled within ±0.02mm, uniform dimension across batches so no field grinding needed during bulk drill bit assembly and boosting production efficiency.
Application Field
Civil Infrastructure Engineering
Foundation pile drilling, foundation pit rock breaking, highway subgrade consolidation drilling, trenchless pipe-jacking supporting DTH & PDC drill bits;
Open-pit & Underground Mining
Roller cone bit gauge/center inserts for open pit mines, tunneling drilling wear parts, roller tooth replacement for stationary & mobile rock crushers;
Geological Exploration & Sampling
High dimensional accuracy ensures stable drilling and regular borehole. Guarantees complete formation core sampling, fully meeting high-precision geological survey and resource exploration requirements.
Water Well & Infrastructure Engineering
Widely used in deep water wells, pile foundation drilling and construction projects. Efficient penetration in common rock layers, low wear and stable performance for long-time continuous site operation.
Universal Bit Matching
Compatible with mainstream PDC bits, core bits and drilling tools with good interchangeability. Custom sizes and chamfers are available to meet non-standard matching demands for different projects.
Customized Service
We provide full customization for PDC cutters of all specifications, covering outer diameter, overall height, PCD layer thickness, chamfer style and other technical parameters.
Standard sizes are always in stock. For non-standard dimensions, special chamfers, customized wear resistance grades and logo engraving, we offer personalized solutions tailored to formation conditions, bit structure and equipment matching requirements.
With independent production lines, we accept sample orders, bulk orders and OEM services. Strict dimensional tolerance control and stable delivery lead times fully meet the personalized product demands of various drilling projects.
| Cutter Model | Diameter/mm | Total Height/mm | SR Radius of Dome | H Exposed Height |
| C0606 | 6.421 | 6.350 | 2 | 2.4 |
| C0609 | 6.400 | 9.300 | 1.5 | 3.3 |
| C1114 | 11.176 | 13.716 | 2.0 | 5.5 |
| C1210 | 12.000 | 10.000 | 2.0 | 6.0 |
| C1214 | 12.000 | 14.500 | 2 | 6 |
| C1217 | 12.000 | 17.000 | 2.0 | 6.0 |
| C1218 | 12.000 | 18.000 | 2.0 | 6.0 |
| C1310 | 13.700 | 9.855 | 2.3 | 6.4 |
| C1313 | 13.440 | 13.200 | 2 | 6.5 |
| C1315 | 13.440 | 15.000 | 2.0 | 6.5 |
| C1316 | 13.440 | 16.500 | 2 | 6.5 |
| C1317 | 13.440 | 17.050 | 2 | 6.5 |
| C1318 | 13.440 | 18.000 | 2.0 | 6.5 |
| C1319 | 13.440 | 19.050 | 2.0 | 6.5 |
| C1420 | 14.300 | 20.000 | 2 | 6.5 |
| C1421 | 14.870 | 21.000 | 2.0 | 6.2 |
| C1621 | 15.880 | 21.000 | 2.0 | 7.9 |
| C1925 | 19.050 | 25.400 | 2.0 | 9.8 |
| C2525 | 25.400 | 25.400 | 2.0 | 10.9 |
| C3028 | 29.900 | 28.000 | 3 | 14.6 |
| C3129 | 30.500 | 28.500 | 3.0 | 14.6 |
Customer Reviews
Mark Wilson | Oilfield Drilling Project Manager
We have been using their 16mm PDC cutters for a long time. They perform steadily in hard formations with much better wear resistance than other brands. Cutter chipping is greatly reduced, which effectively cuts down our overall drilling cost. Highly reliable for long-term cooperation.
Carlos Rodriguez | Mining Drilling Engineer
Our working conditions are tough with granite and fractured formations. These PDC cutters have excellent impact resistance and longer service life. The dimension accuracy is perfect, fits our drill bits very well without repeated adjustment.
David Brown | Infrastructure & Water Well Contractor
Great customization service for non-standard sizes and special chamfers. Delivery is always on time. The cutters hold up well under continuous high-intensity site operation, fast penetration and low consumption, fully matching our construction schedule.
Packaging
Each PDC cutter is individually shockproof protected to avoid collision and wear. Adopt moisture-proof and pressure-resistant carton packaging, wooden box customization is available for bulk orders, safe for long-distance transport.
Delivery
Sample and bulk orders are acceptable. We support express, air freight and sea freight. Sufficient production capacity ensures stable lead time, safe and on-time delivery worldwide.
FAQ
Q: What is the max heat resistance temperature of standard C1319? Will diamond layer fall off under dry hot drilling?
A: Standard version reaches 750℃ thermal stability; normal dry-drilling frictional heat stays below threshold so no delamination occurs. We can produce customized ultra-high temp grade for long-term working over 750℃.
Q: Can C1317/C1318/C1319 be interchangeably installed on identical drill base?
A: Yes, all three inserts share identical 13.44mm outer diameter for installation; only overall total height differs and exposed cutting height remains fixed at6.5mm for direct swap without base modification.
Q: Can C1319 work as center tooth, gauge tooth and shock absorbing tooth at the same time?
A:Absolutely, unified installation dimension plus universal conical profile enables one single insert for three different mounting positions on a single PDC bit blade.
Q: Is standard C1319 suitable for continuous drilling of dense hard granite?
A: Standard specification is optimized for medium-soft to medium-hard formations only; continuous granite drilling requires customized high compression & wear-resistant modified C1319.