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SUS304 Positioning Screws Semi Threaded High Load Ship Component

Categories Ships Hardware
Brand Name: SITUO
Model Number: ST-120001
Certification: ISO9001 & TS16949
Place of Origin: GuangDong Dongguan
MOQ: 1PCS
Price: 5-10 USD per item
Payment Terms: T/T
Supply Ability: 10000PCS per day
Delivery Time: Communication
Packaging Details: Communication
Material: stainless steel
Category: Special-shaped
Surface treatment: Passivation
Processing technology: turning
Sample period: 10 to 15 days
Precision: Min0.001
head shape: circle
packing: carton
Application: Marine and Shipbuilding
Material grade: SUS304
Weight: Varies by component
Productname: Ships Hardware
Corrosionresistance: High
Sizerange: Various sizes available
usage: ship
origin: china
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  • Product Details
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SUS304 Positioning Screws Semi Threaded High Load Ship Component

M5 positioning screws, semi-threaded screws, and special-head adjusting screws - high-precision marine hardware

1. Typical Applications in Shipbuilding Industry (Specific Products)

1.1 Hull Structure & Deck System

  • Marine Flat-head Eye Bolts with Hole Application: Connection of deck railings, hatch covers, ladders, bollards, ventilators and other movable/detachable structures. Characteristics: Flat head with center hole, suitable for split-pin or wire locking; resistant to severe vibration during navigation. Material: 316L stainless steel, duplex stainless steel, titanium alloy, resistant to seawater and salt-spray corrosion.
  • Flat-head Flange Screws Application: High-strength fastening for hull shell stiffeners, bulkhead frames, deck machinery foundations. Characteristics: Large flange surface distributes stress, prevents plate crushing, and adapts to irregular mounting surfaces.

1.2 Marine Power & Propulsion System

  • Flat-head Positioning Screws for Main Engine & Gearbox Application: Positioning and fastening of engine cylinder heads, crankcases, gearboxes, thrust bearing seats. Characteristics: Side flat structure ensures precise positioning, withstands explosion pressure and torsional impact.
  • Flat-head Locking Screws for Propeller Shafting Application: Locking and anti-loosening for propellers, intermediate shafts, stern shaft sealing devices. Characteristics: Cooperate with shaft keyways/flats to transmit high torque and prevent rotation loosening.

1.3 Marine Piping & Valve System

  • Flat-head Screws for Pipe Clamps & Supports Application: Fixing of seawater pipes, fuel pipes, hydraulic pipes, fire-fighting pipes. Characteristics: Flat head fits the clamp surface, suitable for narrow engine room spaces.
  • Flat-head Screws for Valve Bonnet Application: Fastening for marine globe valves, check valves, safety valves, pressure reducing valves. Characteristics: Anti-rotation flat ensures even loading of sealing surfaces, resistant to medium corrosion.

1.4 Marine Electrical & Outfitting Equipment

  • Flat-head Screws for Electrical Boxes & Equipment Foundations Application: Mounting of bridge consoles, radar & navigation equipment, emergency generators, lighting. Characteristics: Anti-loosening, suitable for frequent vibration, ensuring reliable electrical connection.
  • Flat-head Screws for Marine Furniture & Interior Application: Fixing of cabin furniture, galley equipment, sanitary units. Characteristics: Low-profile flat head, polished/passivated surface, suitable for humid indoor environment.

1.5 Offshore Engineering & Special Vessels

  • Flat-head Lifting Eye Screws Application: Lifting and fixing of offshore modules, crane booms, life-saving equipment. Characteristics: Integrated flat and lifting eye, high load-bearing capacity.
  • Flat-head Sealing Screws for Underwater Equipment Application: Pressure-resistant sealing for ROVs, diving bells, subsea valves. Characteristics: Face seal with O-ring, withstands high pressure; titanium alloy for anti-magnetic and corrosion resistance.

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 , bo-sch, Foxconn, 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 TypeFactory / Maufacture
ServiceCNC Machining
Turning and Milling
CNC Turning
Cold heading
stamping
Assembly Service
Material1). 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.
FinishSandblasting, 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 formatSTEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples.
Tolerance+/-0.01mm ~ +/-0.05mm
Surface roughnessRa 0.1~3.2
InspectionComplete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM
Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge

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