Stainless steel joint through-hole precision CNC machined parts for beer assembly components
Advantages and Characteristics of Cold Heading for Stainless Steel Screws & Precision Parts
Cold heading is a process that forms stainless steel wire into shape under room temperature by applying pressure through dies. It is highly suitable for mass production of screws, shafts and small precision components.
1. Core Advantages
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Extremely high production efficiency
One-shot forming with multi-station cold heading machines; dozens to hundreds of pieces can be produced per minute. Ideal for high-volume automated production of stainless steel screws, fasteners and small precision parts.
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High material utilization rate
Near-net-shape forming with almost no cutting and little waste. Saves materials and reduces cost compared with turning and milling, especially for costly materials like stainless steel.
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Better mechanical properties
Work hardening improves strength, hardness and wear resistance.
Continuous metal fiber structure delivers better tensile strength and fatigue resistance than machined parts.
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High dimensional accuracy & consistency
Stable dimensions and strong interchangeability thanks to die forming.
Smooth surface allows direct assembly without secondary finishing.
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Suitable for complex small precision parts
One-step forming of heads, grooves, steps, reduced shafts, flanges, etc.
Perfect for stainless steel screws, precision sleeves, special-shaped parts and fasteners.
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Excellent surface quality
No cutting marks, smooth and dense surface.
Better results for subsequent electroplating, passivation and anti-corrosion treatment.
2. Process Characteristics
- Room temperature forming: No heating, no oxidation or decarburization, stable dimensions.
- High material requirements: Stainless steel must have good cold formability (such as 304HC, 316, 410, etc.).
- Die accuracy determines part accuracy: Ideal for standardized, high-precision mass production.
- Best for small & medium sizes: Highest cost-performance for small-diameter, short-length screws and precision components.
3. Summary (for marketing & technical materials)
Cold heading is the mainstream forming process for stainless steel screws and precision fasteners with high efficiency, high quality and low cost:
- High strength, good toughness, fatigue resistance
- Precise dimensions and strong consistency
- Material-saving, energy-efficient and suitable for mass automated production
- Smooth surface, ideal for high-end precision assembly applications
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.
Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.
Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.
Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.
Our customers include Siemens, bo-sch, Foxconn, Panasonic Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.
| OUR CAPACITY |
| Main product names: |
Stainless steel screws, carbon steel screws, pins, rivets, nuts, |
| eccentric nails, embedded parts, and other fasteners. |
| Business Type |
Factory / Maufacture |
| Service |
CNC Machining |
| Turning and Milling |
| CNC Turning |
| Cold heading |
| stamping |
| Assembly Service |
| Material |
1). Aluminum: AL 6061-T6, 6063, 7075-T etc |
| 2). Stainless steel:303,304,304L,316L,316F,630,410,420,430, etc |
| 3). Steel: 4140, Q235, Q345B,20#,45# 1215,12L14 ,1144,1006,1008,1010,1015,1018 ,10B21,1035,1065 etc. |
| 4)Alloy steel:5140,4135,4140,3435,5120,415 ,435,440 etc |
| 5). Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc |
| 6). Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc |
| 7). Copper, bronze, Magnesium alloy, Delrin, POM,Acrylic, PC, etc. |
| Finish |
Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish, |
| Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing, |
| electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench), |
| Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc. |
| Drawing format |
STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples. |
| Tolerance |
+/-0.01mm ~ +/-0.05mm |
| Surface roughness |
Ra 0.1~3.2 |
| Inspection |
Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM |
| Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge |











