Turnbuckles for industrial distribution, project purchasing and OEM supply, with material, finish and documentation agreed per quotation.
Rigging hardware connects wire rope, chain and lifting assemblies. Every component must be selected from verified manufacturer data for the exact load, configuration, angle, environment and governing safety requirements.
Most parts in this range are made or adapted for a drawing, sample, mating interface and order program. The image on this page represents the product family; final geometry, material, finish, inspection and marking are confirmed in the quotation.
A turnbuckle body draws two end fittings together or pushes them apart as it rotates. Eye-eye, jaw-jaw, eye-jaw and hook-end configurations suit different connections. Hook-end hardware may be unsuitable for overhead lifting unless specifically rated; open-body and closed-body forms also provide different inspection access.
ASME B30.26 includes turnbuckles used in detachable rigging hardware. Forged steel bodies and end fittings are common; stainless versions serve selected corrosion duties. Specify marked WLL, end configuration, pin size, take-up, thread size, closed and extended lengths, load direction, temperature and environment. Ensure mating shackles or pins articulate without binding. A turnbuckle is for axial tension and should not be treated as a bending link.
Start both end fittings evenly, preserve the manufacturer's minimum thread engagement, keep the body centered in its adjustment range and lock it by the approved method. Inspect threads, body, pins and end fittings for corrosion, cracks, bends and unauthorized welds. Can extra take-up be gained by backing out farther? Never beyond the engagement limit. Can it be adjusted under load? Only when the approved procedure permits and controls stored energy. Can a hook-end turnbuckle lift? Only if expressly identified and rated for that use.
Research sources: ASME B30.26-2026 official scope; manufacturer turnbuckle warnings and application data. WLL and engagement are per exact assembly.
Turnbuckles belongs to the rigging component category. Material names, standards and coating descriptions below help buyers structure an RFQ; they are not a declaration that every offered configuration complies. Grade, edition, inspection level and acceptance criteria belong on the controlled drawing or purchase specification. (industry reference data, final values per drawing/quotation)
Forged alloy steel and carbon steel are common routes for rigging hardware because grain flow, heat treatment and controlled inspection can be specified around the part. Cast, forged and fabricated parts are not interchangeable merely because their shapes appear similar.
Use the tensile strength, yield or proof strength, elongation, hardness, impact and heat-treatment requirements published for the selected material grade. Relevant properties differ by product form and test-piece basis. They describe material quality, not the capacity of the finished Turnbuckles; final suitability depends on geometry, interfaces, manufacturing condition and verification.
Specify plain, zinc-coated, hot-dip galvanized, painted, passivated or another compatible finish by a recognized coating specification where applicable. Define preparation, appearance, restricted substances, repair rules, packaging and required inspection documents instead of relying on a color photograph.
| Reference | Standard name | How to use it |
|---|---|---|
| ASME B30.26 | Rigging Hardware | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ASME B30.9 | Slings | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| EN 1677 | Components for slings — Safety | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ISO 2415 | Forged shackles for general lifting purposes | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ASTM A952/A952M | Forged Grade 80 and Grade 100 Steel Lifting Components and Welded Attachment Links | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| EN 10204 | Metallic products — Types of inspection documents | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
Specification caution: naming a material, coating or dimensional standard does not create a product rating, approval, certification or warranty. Any required capacity, pressure class, temperature limit, listing or test must be confirmed for the exact quoted part. (industry reference data, final values per drawing/quotation)
Selection for Turnbuckles should begin with intended function, load direction, sling or chain interface, articulation, material grade, traceability and governing lifting practice. Keep required facts separate from supplier proposals so reviewers can see what is mandatory and what remains open. (industry reference data, final values per drawing/quotation)
| Decision | Information to provide | Why it matters |
|---|---|---|
| Interface and geometry | Drawing, nominal or actual dimensions, tolerances, mating components, clearances, orientation and accessible assembly space. | Prevents selection from a family name or image and allows the complete connection to be checked. |
| Service condition | Function, direction of forces, movement, vibration, indoor or outdoor exposure, moisture, chemicals and maintenance access. | Guides material, finish, locking, restraint and inspection choices without inventing an unverified rating. |
| Compliance route | Destination market, governing code, required standard edition, customer specification, marking and third-party approval needs. | Separates a generally suitable design from a configuration qualified for a regulated project. |
| Supply and quality | Quantity, release pattern, drawing revision, critical characteristics, sampling, traceability, packaging and documents. | Aligns manufacturing and inspection with the commercial requirement and repeat-order control. |
Ask the supplier to identify exclusions and assumptions in the quotation. Compare offers against the same revision and requirement list; a lower price is not comparable if material, coating, inspection, packaging or documentation scope differs. Final commercial values remain per quotation.
(industry reference data, final values per drawing/quotation)
Match labels, part identity, material or heat references where required, quantity and documents to the purchase order. Quarantine mixed, damaged, corroded or unidentifiable pieces instead of releasing them to installation.
Verify the actual mating dimensions, thread or connection form, contact surfaces, orientation and working clearance. Clean protective debris without removing functional coatings or altering critical edges.
Use only identified and inspected components, confirm that pins and mating parts seat correctly, align the force with the approved load path, protect hardware from sharp edges, and prevent side loading, shock loading, unauthorized welding or field modification. A competent person should control inspection and retirement criteria. Any torque, clearance, sealant, gasket, lubrication or locking value must come from the approved instruction for the exact product.
Record completion where the quality plan requires it. Inspect for seating, alignment, locking, leakage where relevant, coating damage and interference. Establish service checks from the system risk assessment and replace parts that fail the applicable acceptance criteria.
Compare shackles, hooks, links, turnbuckles, clips and binders by their intended function and connection geometry. Similar size or appearance never proves that two rigging components can substitute for one another. Compatibility includes the mating dimensions, material couple, coating, fastener or seal system, installation method, inspection basis and service environment. (industry reference data, final values per drawing/quotation)
Best when an established size, connection and documented product scope match the application. Confirm the exact designation and do not extend published information to another variant.
Useful when the required function or interface differs. Review the whole assembly, because an alternative component can move forces, change clearances or require different accessories and installation controls.
Consider when geometry, material, marking, finish or packaging cannot be met by a standard item. Freeze the drawing, validation plan and change-control route before repeat production.
(industry reference data, final values per drawing/quotation)
No. The reference helps define material, dimensions, coating, test method or use practice within its own scope. Compliance requires the applicable edition, product configuration, acceptance criteria and agreed evidence. A standards list on a general webpage is not a certificate.
Name the material standard, grade, product form, heat-treatment condition where relevant, required inspection document and any supplementary tests. Use the values in the governing published standard rather than copying an isolated number. Finished-product capacity or performance still requires design and verification for the exact geometry.
Provide a legible drawing or complete dimensional description, application and mating parts, material and finish, quantity and release schedule, destination market, required standards, critical characteristics, marking, packaging and document needs. Identify any requirement that cannot change.
Only after technical and commercial review. A substitute can change strength, ductility, corrosion behavior, friction, thread fit, coating thickness, galvanic compatibility, manufacturing route and inspection evidence. Record an approved deviation before production.
Request verified data for the exact part number, revision, material, assembly orientation and mating components. The quotation or approved technical package should state the applicable basis. This page intentionally supplies no invented load, pressure, temperature or price values.
Check identity, quantity, revision, obvious damage, corrosion protection, critical dimensions and the documents named in the purchase order. Sampling, gauges and acceptance limits should be agreed in the quality plan. Keep nonconforming items segregated pending disposition.
A custom route is appropriate when the standard interface, geometry, material, finish, marking, inspection or packaging cannot satisfy the application. Provide annual demand and validation expectations so tooling, casting, forging, stamping, machining or fabrication options can be reviewed.
Reference the approved drawing revision and agreed specification, preserve approved samples or inspection records as appropriate, and require notification before material, process, tooling or supplier changes that affect critical characteristics. Reconfirm requirements after a design or application change.
Turnbuckles for industrial distribution, project purchasing and OEM supply, with material, finish and documentation agreed per quotation.
| Product family | Rigging & Lifting Hardware |
|---|---|
| Supply route | Standard configuration or made to requirement |
| Materials & finish | Forged carbon or alloy steel and stainless options with galvanized, painted or other specified protection. |
| Applications | Material handling, industrial maintenance, construction and engineered lifting or securing assemblies. |
| Documentation | Inspection, traceability and shipment records agreed per quotation |
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
We review geometry, interfaces, service environment and critical characteristics before confirming the supply route.
Casting, forging, machining, stamping, fabrication and finishing are matched to part geometry and repeat volume.
Material checks, dimensional inspection, surface review and agreed records are defined around the quoted part.
Standards note: referenced standards, ratings and certifications vary by product and market. State every required standard in the RFQ; no rating should be inferred from a category image or general description.
Turnbuckles are part of the rigging & lifting hardware family. Rigging hardware connects wire rope, chain and lifting assemblies. Every component must be selected from verified manufacturer data for the exact load, configuration, angle, environment and governing safety requirements.
Provide a drawing, dimensions or reference part number, plus material, finish, quantity, application, destination market and documentation needs.
Forged carbon or alloy steel and stainless options with galvanized, painted or other specified protection. Availability is confirmed against the exact geometry, quantity and service conditions.
Check verified working load limit, load direction and sling angle, pin, chain or rope compatibility, inspection and traceability requirements. Final suitability must be verified against the quoted product data and application.
Yes. Drawing-based development can cover geometry, material, machining, finish, marking, packing and inspection requirements, subject to manufacturing review.
Required inspection and shipment documents should be listed in the RFQ. Applicable records are agreed before order confirmation.
Every visible value below was transcribed from the supplied PDF and checked against the high-resolution source.
| Model | Size | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | G (mm) | H (mm) | I (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| HT-47 | 3/8 | 178 | 146 | 152 | 63 | 63 | 7.7 | 8.4 | 12 | 23 |
| HT-48 | 1/2 | 190 | 155 | 229 | 101 | 101 | — | 11 | 15 | 30 |
Catalog dimensions are sourcing references. Confirm tolerances, rated load, material grade and finish on the approved quotation or production drawing.