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Ball head stainless steel chemical screws, precise M5 screw rod CNC turning service

Place of Origin	GuangDong Dongguan
Brand Name	SITUO
Certification	ISO9001 & TS16949
Model Number	ST-130008

Product Details

Material:

Stainless Steel

Category:

Screws

Surface Treatment:

Customized

Sample Period:

10 To 15 Days

Precision:

Min0.001

Head Shape:

Customized

Material Grade:

Sus304

Durability:

High

Corrosionresistance:

High

Productname:

Chemical Hardware

Application:

Chemical Processing Equipment

Weight:

Varies By Size

Sizerange:

1.0-20.0mm

Packing:

Carton

Corrosionresistance:

Yes

Highlight:

stainless steel chemical hardware

stainless steel cnc turning service

Payment & Shipping Terms

Minimum Order Quantity

1PCS

Price

5-10 USD per item

Packaging Details

Communication

Delivery Time

Communication

Payment Terms

T/T

Supply Ability

10000PCS per day

Product Description

Ball Head Stainless Steel Chemical Screws, Precise M5 Screw Rod CNC Turning Service

Ball head long axis adjustment screws are core hardware components for precision adjustment, reliable sealing and dynamic adaptation in chemical equipment. Situo can realize production by both machining and cold heading processes to achieve better cost performance.

Core Application Scenarios in Chemical Equipment

Widely used in chemical reactors, distillation columns, heat exchangers, pumps, valves, pipe flanges, filtration equipment, etc.:

Pre-tightening and Gap Compensation of Sealing Surfaces - Uniform compression of flanges, manholes and sight glasses. The ball head adapts to slight unevenness of sealing surfaces to prevent medium leakage. Axial force fine-tuning of stuffing boxes and mechanical seals to control sealing pressure.
Equipment Level / Verticality Adjustment - Base adjustment of towers, reactors and pump units. Long axis provides large adjustment stroke. Displacement compensation of pipe supports and expansion joints to absorb thermal expansion and vibration.
Linkage of Valves and Actuators - Valve stem connection and feedback adjustment of control valves. Ball head transmits thrust while allowing angular deviation. Connecting rod adjustment of pneumatic / electric actuators to ensure stable action.
Positioning of Mixing and Transmission Systems - Concentricity calibration of mixing shafts and reducers. Ball head long axis enables multi-dimensional fine-tuning.

Core Product Characteristics

Structural & Functional Features

Self-aligning ball head: ±5°~±15° angular compensation, uniform stress, anti-loosening
Long axis with large stroke: wide adjustment range for large chemical equipment
Precision thread transmission: good self-locking, stable positioning, smooth adjustment
Composite load resistance: withstands axial thrust, radial bending moment and vibration

Material & Environmental Adaptability

Corrosion resistance: 304, 316L stainless steel, duplex steel, Hastelloy, etc.
High strength: 8.8/10.9 grade alloy steel for high-pressure working conditions
Surface protection: passivation, Teflon coating, nickel plating for wide temperature range

Quality & Reliability

High dimensional accuracy, good coaxiality, low surface roughness
Cold heading parts feature continuous grain, higher tensile strength and longer fatigue life

Dual-Process Solution: Machining vs Cold Heading

Process Comparison

Machining: Material removal process, high flexibility, suitable for small batches, special shapes and high precision requirements.

Cold Heading: Cold extrusion forming, high material utilization, high efficiency, stable performance, cost reduced by 30%+ in mass production.

Advantages of Dual-Process Combination

Cost optimization: cold heading for mass standard parts, machining for small-batch customized parts
Delivery control: fast mass production by cold heading, flexible sample making by machining
Quality stability: compliant with ISO9001, full inspection of key dimensions
Customization: customizable materials, specifications and surface treatments

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.

Manufacturing Capabilities

Equipment	Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment
Workforce	300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel
Quality Standards	8S management, ISO9001 and TS16949 automotive certifications
Major Clients	bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar

Technical Specifications

Main Products	Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners
Business Type	Factory / Manufacturer
Services	CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service
Materials	Aluminum: AL 6061-T6, 6063, 7075-T etc Stainless Steel: 303,304,304L,316L,316F,630,410,420,430, etc Steel: 4140, Q235, Q345B,20#,45# 1215,12L14,1144,1006,1008,1010,1015,1018,10B21,1035,1065 etc. Alloy Steel: 5140,4135,4140,3435,5120,415,435,440 etc Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc Other: Copper, bronze, Magnesium alloy, Delrin, POM, Acrylic, PC, etc.
Finishes	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