
📦 Brocas DTH
Broca de botones DTH K4
Model: K4
Solicite asistencia si tiene algún requerimiento especial; contamos con ingenieros dedicados y experimentados que entienden que algunas condiciones de perforación pueden requerir una configuración de botones diferente. Esta puede ser diseñada y fabricada para adaptarse a su requerimiento específico.
Technical Specifications
| Modelo | K4 |
Product Details
Technical Selection
Key parameters for matching this machine to your job. Send us your hole diameter, depth and rock condition and our engineers will confirm the right configuration.
Modelo
K4
Not sure this model fits? Tell us the hole diameter and depth — we will confirm the matching rig, compressor and hammer.
Check with an engineerKey Advantages
High-performance carbide button insert for extended wear life
Robust alloy steel body with heat treatment for superior strength
Optimized flute design for efficient chip evacuation
Compatible with standard DTH hammers and drilling rigs
Available in multiple diameters and connection types
Cost-effective solution for mining and water well drilling
High Pressure Series Models
Compare specifications across the series to find the right model.
| ☑ | Model | Model | Type | Size | Application | Material | Inquire |
|---|---|---|---|---|---|---|---|
| K4This model | K4 | DTH Drill Bit | Φ110 mm (standard); other sizes available | Mining, water well drilling, quarrying, construction | Alloy steel body with carbide button inserts | Get a Quote | |
| K10 | K10 | DTH Drill Bit (Down-the-Hole Button Bit) | 90–130 mm diameter (customizable) | Mining, quarrying, water well drilling, construction | Alloy steel body with tungsten carbide buttons | Get a Quote | |
| K3 | K3 | DTH Drill Bit | 76mm - 152mm | Mining, Quarrying, Water Well Drilling | Alloy Steel with Carbide Buttons | Get a Quote | |
| K5 | K5 | DTH Button Bit | 130 mm - 152 mm diameter | Mining, quarrying, water well drilling, foundation engineering | Alloy steel body with tungsten carbide buttons | Get a Quote | |
| K6 | K6 | DTH Button Bit | 76mm - 152mm (3" - 6") | Mining, Quarrying, Water Well Drilling, Construction | Alloy Steel Body with Tungsten Carbide Buttons | Get a Quote | |
| K8 | K8 | DTH Drill Bit | 4 inch (102 mm) diameter | Mining, quarrying, water well drilling | Alloy steel body with tungsten carbide buttons | Get a Quote | |
| K10 | K10 | DTH Hammer | 10 inch | Mining, Water Well, Quarry, Construction | Alloy Steel | Get a Quote | |
| K3 | K3 | DTH Hammer | 3 inch | Mining, quarrying, water well drilling, construction | Alloy steel | Get a Quote | |
| K30C | K30C | Down-the-Hole (DTH) Hammer | 3 inch (76.2 mm) nominal | Mining, quarrying, water well drilling, construction | High-quality alloy steel, heat-treated | Get a Quote | |
| K4 | K4 | DTH Hammer | 4 inch | Mining, water well, quarry, construction | Alloy steel, heat-treated | Get a Quote | |
| K40 | K40 | DTH Hammer | 4 inch | Mining, quarrying, water well drilling, construction | High-strength alloy steel | Get a Quote | |
| K40C | K40C | Down-The-Hole (DTH) Hammer | 4-inch class (105-130mm hole diameter) | Mining, water well, quarry, construction drilling | Alloy steel, heat-treated | Get a Quote | |
| K46 | K46 | DTH Hammer | 4 inch | Mining, Quarrying, Water Well Drilling, Construction | High-Strength Alloy Steel | Get a Quote | |
| K5 | K5 | Down The Hole (DTH) Hammer | 5 inch | Mining, quarrying, water well, construction | Alloy steel, heat-treated | Get a Quote | |
| K50 | K50 | Down-the-Hole (DTH) Hammer | 5-inch class | Mining, quarrying, water well drilling, construction | Alloy steel, heat-treated | Get a Quote | |
| K6 | K6 | DTH Hammer | 6 inch | Mining, Water Well, Quarrying | Alloy Steel | Get a Quote | |
| K8 | K8 | DTH Hammer | 8 inch | Water well drilling, mining, quarrying | Alloy steel | Get a Quote | |
| K80 | K80 | Down-the-Hole (DTH) Hammer | 8 inch (203 mm) | Mining, Quarrying, Water Well Drilling | Alloy Steel | Get a Quote |
Compare 2–3 models? Tick the boxes and send them together — we will quote each one for you.
Tip: select multiple models and click “Inquire All” — the selected models are added to the quote form automatically, so you get a faster quotation.
Not sure which model fits your project? Send us your working pressure and air demand — our engineers will recommend the right one.
Main Components
- Carbide button inserts
- Steel body
- Shank
- Flushing holes
- Flutes
- Retaining ring
- O-ring seals
- Wear pads
Working Principle
DTH (Down-The-Hole) drill bits operate by receiving impact energy from a down-the-hole hammer, which is powered by compressed air. The hammer's piston strikes the bit's shank, transmitting high-frequency impact waves to the carbide buttons on the bit face. These buttons penetrate the rock, creating fractures. Simultaneously, the bit rotates slowly, allowing the buttons to crush the rock in a new position. Compressed air flows through the bit's flushing holes, cooling the bit and lifting rock cuttings to the surface. The K4 DTH bit is designed to optimize this process, with a robust shank to withstand impact forces and a flute design that enhances air flow for efficient chip removal. This combination results in high penetration rates and extended bit life, making it ideal for demanding drilling applications.
Detailed Features
- ▸High wear resistance
- ▸Excellent impact toughness
- ▸Efficient chip evacuation
- ▸Long service life
- ▸Compatible with standard hammers
- ▸Available in various sizes
- ▸Heat-treated for strength
- ▸Cost-effective
Packaging & Shipping
Each Kaishan K4 DTH drill bit is packed in a wooden case or carton, with rust-proof paper and foam protection. Standard export packaging ensures safe transportation. For bulk orders, bits are palletized and shrink-wrapped. Shipping is typically via sea freight from major Chinese ports such as Shanghai or Ningbo. Delivery time is 15-30 days after order confirmation, depending on quantity. Air freight is available for urgent orders.
After-Sales Service
Kaishan offers a 12-month warranty on all DTH drill bits against manufacturing defects. Our global service network provides 24-hour technical support and spare parts supply. We offer on-site training for operators and maintenance personnel. Customized solutions are available for specific drilling conditions. With warehouses in key regions, we ensure fast delivery of replacement bits and accessories.
Related Insights
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Where This Machine Is Used
Is This Rig Right for My Project?
Answer seven questions about your hole, depth and rock — get a matched rig, compressor, hammer, bit and rod.
Need Technical Support?
Request information and get a quote from our engineers.
Recommended System
Rig + air compressor + drilling tools matched to your project. Get pre-matching advice from our engineers.
Configuración de equipo recomendada
Seleccionada a partir de parámetros reales de máquina — perforadora, compresor, martillo, broca y varilla como un solo sistema.

CDC-450J
- Rango de diámetro
- 105–350
- Profundidad
- 450 m
Por qué se recomienda
Ajustado a los parámetros de la máquina de esta página.

KSCY-550/13
- Presión de trabajo
- 13 bar
- Caudal de aire
- 15 m³/min
Por qué se recomienda
Cubre la demanda de aire requerida de 12 bar / 14 m³/min (nominal 13 bar / 15 m³/min).

K40
- Rango de diámetro
- 105–130
- Caudal de aire
- 5–14 m³/min
- Presión de trabajo
- 12+ bar
- Vástago
- K40**
Por qué se recomienda
El rango 105–130 mm cubre su requerimiento de 105–130 mm.
Requisito del sistema: 12 bar / 14 m³/min · 105–130 mm









