In the increasingly competitive field of steel structure manufacturing, controlling production time and ensuring precision are powerful levers for profitability – translating directly into essential competitive advantage.
This case study features a large, influential manufacturer specializing in large steel structural components. They primarily process Q355B steel, a material known for its high strength and good toughness, which demands robust cutting tools. The required hole diameters (22, 24, 26, 32 mm, etc.) are integral across multiple production stages. Facing expanding orders and surging demand, the company needed a high-efficiency, high-quality tooling solution to boost productivity and ensure final part quality. Let's examine the initial machining conditions.
Machining Conditions
| Machine Type | CNC 3D drilling and sawing machine | Model | KDL1318 | ||
| Spindle power | 34kw | Spindle interface | SK40 | CNC system | Kabahe |
| Cooling method: | oil mist | cooling pressure | 6 bar | rotation accuracy | 0.03mm |
| Processed material | Q355 | hardness | / | drilling thickness | 14mm |

| product | Friendly Fried Dough Twists drill | CHTOOLS S DRILL |
| Specifications | 26 | 26 |
| Cutting speed Vc (n/min) | 21.2 | 54.7 |
| Speed (r/min) | 260 | 670 |
| Feed rate fn (mm/r) | 0.08 | 0.28 |
| Single hole time (S) | 40 | 5 |
| Aperture expansion amount (m) | +0.15 | +0.06 |
| Application lifespan | / | 45m |
An Efficiency Revolution: From 40 Seconds to 5 Seconds
For a Φ26 mm hole, the previously used competitor's twist drill required about 40 seconds per hole. The CHTOOLS S-Drill completed the same hole in just 5 seconds – an 8x increase in efficiency. This dramatic optimization allows significantly more work in the same timeframe, shortening production cycles and securing crucial lead times.




The CHTOOLS S-Drill Delivers a Quantum Leap in Hole Quality, Not Just Efficiency
Hole diameter deviation was precisely controlled, improved from +0.15mm to +0.06mm – a 60% gain in accuracy – meeting high-standard assembly requirements. With an exceptionally long tool life of 4 meters, it reduces tool change frequency and overall costs, thereby boosting productivity.
Whether it's the leap in efficiency or the comprehensive upgrade in quality, the CHTOOLS S-Drill demonstrates powerful capabilities in steel structure machining. It is a valuable partner for companies aiming to overcome production bottlenecks and enhance their core competitiveness.
The CHTOOLS S-Drill, capable of achieving both an efficiency revolution and a quality breakthrough, is the ideal choice for steel structure fabricators. If you are ready to break through production constraints, increase machining efficiency and quality, and reduce costs, discover more about the CHTOOLS S-Drill. Let it power your growth and help you stand out in a competitive market.





