Customized Stainless Steel Rigging Hardware D Rings D Shackles

Product Description

                         Customized Stainless Steel Rigging Hardware D Rings D Shackles

Product Description

 

       (A)Production Description:
       1)Product name: Stainless Steel Adjustable Shackle
       2)Material: 304 Stainless Steel,316 Stainless Steel
       3)Material feature: Eco-friendly, nickel-free, lead-free
       4)Size: M4,M5,M6,M8,M10,M12,M14,M16,M20,M22,M25,M28,M32
       5)Shape: D shape, U Shape
       6)Plating colors: Silver 
       7)Design style: Customized Accepted
       8)Technology: Casting
       9)Package: 500 PCS one carton; Carton size: 36*25*17cm
      10)Usage: Used on bag, collar, leash, strap, buckle, and so on
      11)Service: OEM/ODM
      12)small order is acceptable. LOGO print or engraved also acceptable

Technical Excellence & Marine-Grade Construction

1. Premium 316 (A4) Stainless Steel

• Marine-Grade Material: Manufactured from 316 (1.4401/A4) stainless steel, containing 2-3% Molybdenum for superior resistance to pitting and crevice corrosion in saltwater environments-far exceeding the capabilities of 304 stainless.

• Forged for Strength: Critical load-bearing components (shackle body and bolt) are hot-forged from solid stainless steel billets. This forging process aligns the grain structure, eliminating porosity and providing maximum tensile strength, impact resistance, and fatigue life.

• Full Traceability: All raw materials come with Mill Test Certificates (MTC) verifying chemical composition and mechanical properties per ASTM A276/A479.

2. Secure Bolt & Nut Fastening System

• Bolt Design: The load pin is a high-strength bolt with precision-cut threads. The shoulder of the bolt seats securely against the shackle ear, preventing side load on the threads.

• Nut & Locking Mechanism: A heavy hex nut is used, secured by a stainless steel cotter pin (split pin). This provides a positive, vibration-proof lock that cannot loosen, making it ideal for permanent installations or high-vibration environments (e.g., on vessels, docks, or machinery).

• Safety Alternative: Some models may use a castle nut or Nylock nut where a cotter pin is not desired.

3. Precise D-Shape (Anchor Shackle) Design

• Bow Shape: The rounded "D" or bow shape provides a larger bearing surface for connecting multiple sling legs (e.g., in basket or choke hitches) compared to chain shackles, with less reduction in rated capacity when loaded at an angle.

• Smooth Radius & Finish: All load-bearing surfaces feature smooth, generous radii to minimize stress concentrations. Surfaces are highly polished or electropolished not only for corrosion resistance but also to prevent damage to wire ropes and slings.

• Clear Markings: Each shackle is permanently marked with its Working Load Limit (WLL) in tons and kN, the material grade (316), and a unique identifier for traceability.

Our Service

(B) Our Service:

1.Can supply various types and specifications of shackles.

2.Welcom to purchase them andinquiry from us.Snap hooks are in various types, many specifications and attractive appearance.

3.The materials of shackles are stainless steel 316 and stainless steel 304.

4.The special shackles with specifications and drawing designs can be produced on customer's requests.

5.In some degree, the shackles can bear the safe working load limit and breaking force.

(C) Mainly export to :

European, USA, Canada, Australia, Japan, Korea, Singapore ,South Africa ,Russia, Germany and so on.

(D)Capacity :

We have our own factory and we can control every step ourseves .

(E) Samples:

Free samples can be posted if needed for check and test .

Product Parameters

 

Commodity name	Stainless Steel Shackle
Usage	Lifting and connecting
Main standard	g209 shackle, g210 shackle, g2130 shackle, g2150 shackle, european type shackle, jis type shackle
Material	Stainless steel 304 or 316
Finish	Highly polished
Size	Different size available (3/16"-3"), customized accepted
M.O.Q	1000PCS per Size
Weght	0.02kg-54kg
Packing	Gunny bag or carton and pallet / by customer's specific requirements.
Delivery time	10-20days after order confirmation, depends on order quantity
Payment term	T/T, L/C, Western Union
Business type	Manufacturer, trading
Certifications	ISO9001,CE,BV,SGS
Notes	Special specifications and marks can be made according to customers requirements;
Main products	Eye bolts,Shackles,Turnbuckles,Wire Rope Clips,Load binders,Lifting Hooks,
	Connecting Links,Master Links,Swivels and many other rigging hardwares.

Quality Assurance & Certification

• Material Verification: Spectrometer analysis of each heat batch of steel.

• Forging Process Control: Monitored temperature and pressure cycles.

• Dimensional Inspection: 100% check of inside width, pin diameter, and thread fit.

• Non-Destructive Testing (NDT): Magnetic Particle Inspection (MPI) or Dye Penetrant Inspection (DPI) on 100% of shackle bodies and bolts to detect surface flaws.

• Mechanical Testing: Sample shackles from each batch are destructively tested to verify the Minimum Breaking Load (MBL) meets the specified safety factor (e.g., 5:1 or 6:1).

• Documentation: Can provide Material Certificates, NDT reports, and load test certificates. For marine class approval, we coordinate with surveyors for factory acceptance testing.

Application

      Hot selling metal shackle for the following industry as a great customized, fashion & high
      quality accessory:

      A. Paracord
      B. Survival Outdoor
      C. Lanyard/strap
      D. Bracelet
      E. Other relevant products

      Package: 
      Foam bag + plywood cases

      Shipping Port: 
      Qingdao or Shanghai or Ningbo

Installation Instructions

Applications

• Marine & Shipbuilding: Anchor chain connectors, mooring system links, tow bridle connections, davit and crane rigging, sailboat rigging terminals.

• Offshore & Renewable Energy: Connecting mooring lines for platforms and floating wind turbines, lifting points on subsea structures.

• Industrial Rigging & Lifting: Permanent lifting points on machinery, heavy equipment recovery, structural connections where vibration is a concern.

• Aquaculture & Fishing: Net and cage system connections, longline rigging.

• Construction & Infrastructure: Permanent tie-down points, cable railing terminations, suspension bridge hanger connections.

FAQ

Q1: Are you a trading company or a factory?
A: We are a manufacturer specialized in Machining OEM parts.

Q2: Do you accept to manufacturing customized products based on our design?
A: Yes, we are a professional factory with an experienced engineering team, would like to provide the OEM service.

Q3: How can I get the quotation?
A: We will offer you the quotation within 24 working hours after receiving your detailed information. In order to quote you faster and more accurate, please provide us the following information together with your inquiry:


Q4: How long is the lead-time for sample and Bulk production?
A: Normally, the lead time for samples is around 2-4 weeks, for bulk production is around 4-8 weeks (depends on order quantity)

Q5: Is it possible to know how are my products going on without visiting your factory?
A: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the machining progress.
   
     Quality First,Pric Best,Service Foremost !
     We assure you of our best services at all times !