300M Ultra-High Strength Steel
Quick Specifications
Material
All Steel Grades
Process
CNC Machining
Tolerance
±0.005mm
Lead Time
5-15 days
MOQ
10 pieces
Surface Finish
Various Options
Material
All Steel Grades
Process
CNC Machining
Tolerance
±0.005mm
Lead Time
5-15 days
MOQ
10 pieces
Surface Finish
Various Options
Sinbo Precision offers comprehensive custom steel machining services for all steel grades, providing high-quality precision steel parts for diverse industrial applications. Our advanced CNC machining capabilities enable us to work with carbon steel, alloy steel, and stainless steel, delivering parts with tight tolerances of ±0.005mm and excellent surface finishes. With over 20 years of experience, we have the expertise to handle complex steel machining projects from prototype to production.
Our steel machining services include CNC milling, CNC turning, 5-axis machining, and multi-axis turning capabilities. We work with a wide range of steel grades including 1018, 1045, 4140, 4340, 1215, 1144, 12L14, and various stainless steels such as 304, 316, 17-4 PH, and 440C. Each steel grade is machined using optimized parameters and tooling to ensure optimal results and cost-effectiveness.
We provide complete manufacturing solutions including design for manufacturing (DFM) support, material selection guidance, and comprehensive surface treatment options. Our USA warehouse and efficient logistics ensure fast delivery of your precision steel components. Whether you need low-volume prototypes or high-volume production runs, we have the capacity and expertise to meet your requirements with competitive pricing and superior quality.
Low and medium carbon steels for general applications with excellent machinability.
Alloy steels with enhanced mechanical properties for demanding applications.
Corrosion-resistant stainless steels for harsh environments and medical applications.
Advanced CNC milling for complex geometries and tight tolerances.
Precision CNC turning for cylindrical and rotational parts.
Comprehensive surface treatment options for enhanced performance.
Gears, shafts, bushings, and general machinery components
Engine components, transmission parts, and automotive hardware
Industrial equipment, structural parts, and heavy-duty components
Oil field equipment, valve components, and drilling parts
Tooling components, dies, molds, and precision tooling
Medical devices, surgical instruments, and healthcare equipment
Years Experience
Precision Tolerance
Days Lead Time
Quality Guarantee
ISO 9001:2015
IATF 16949:2016
ISO 14001:2015
OHSAS 18001:2007
Our minimum order quantity is 10 pieces for prototypes and 100 pieces for production runs. We can accommodate lower quantities for development projects with appropriate setup considerations.
Standard lead time is 5-15 days depending on complexity, material, and quantity. Express delivery options are available for urgent requirements with 3-7 day turnaround.
We accept STEP, IGES, STL, DXF, DWG, and PDF files. Our engineering team can work with various CAD formats to ensure accurate manufacturing.
We machine all steel grades including carbon steels (1018, 1045, 1215, 1144, 12L14), alloy steels (4140, 4340, 8620, 4130), and stainless steels (304, 316, 17-4 PH, 440C, 316L).
Yes, we provide comprehensive heat treatment services including quenching, tempering, induction hardening, and flame hardening to achieve required hardness levels for steel components.
Yes, our engineering team provides free DFM analysis and suggestions to optimize your design for steel machining, ensuring cost-effective production while maintaining quality requirements.
CNC Machines
Precision Tolerance
Days Delivery
Years Experience
ISO 9001:2015
IATF 16949:2016
ISO 14001:2015
SA 8000:2014
Get a free quote within 24 hours. No minimum order quantity required.