{"id":1565,"date":"2026-06-16T09:25:14","date_gmt":"2026-06-16T09:25:14","guid":{"rendered":"https:\/\/worm-shaft.com\/?post_type=product&p=1565"},"modified":"2026-06-16T09:30:25","modified_gmt":"2026-06-16T09:30:25","slug":"worm-and-wheel","status":"publish","type":"product","link":"https:\/\/worm-shaft.com\/kk\/product\/worm-and-wheel\/","title":{"rendered":"Worm and Wheel"},"content":{"rendered":"

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Ever Power \u00b7 UK Industrial Supply<\/div>\n

Worm and Wheel
\nPrecision Worm Gear Sets for Industrial Power Transmission<\/span><\/h2>\n

Engineered for high reduction ratios, smooth operation, and long service life \u2014 Ever Power worm and wheel sets are trusted across the UK and globally in automation, machine tools, medical devices, and heavy industry.<\/p>\n

Get a Quote<\/a><\/p>\n<\/div>\n

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Product Gallery\u00a0 \u00a0<\/span><\/h2>\n
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\"Worm<\/div>\n
\"Worm<\/div>\n<\/div>\n

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\ud83d\udce7 Send Enquiry \u2014 sales@cardancoupling.top<\/a><\/div>\n<\/div>\n

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What Is a Worm and Wheel?<\/h2>\n

\"WormA worm and wheel \u2014 also widely referred to as a worm gear set \u2014 is a mechanical transmission pairing composed of a worm (the driving screw-like shaft) and a worm wheel (the driven gear). These two components transfer both motion and power between two staggered shafts, with the angle between the shafts typically set at 90 degrees. The worm resembles a threaded bolt in profile, while the worm wheel shares visual similarities with a helical spur gear, though its tooth form is carefully shaped to achieve line contact rather than point contact with the worm.<\/p>\n

During operation, the worm wheel teeth slide and roll along the spiral surface of the worm. To maximise the contact area and improve load distribution, the worm wheel is formed into a concave arc shape along its tooth width direction \u2014 partially wrapping around the worm. This design transforms point contact into line contact, dramatically increasing the load-bearing capacity and service life of the assembly. For UK engineers and procurement teams sourcing industrial-grade worm and wheel sets, this line-contact characteristic is a critical differentiator from simpler staggered shaft helical gear arrangements.<\/p>\n

One of the most valued properties of the worm gear set is its ability to deliver very large gear reduction ratios within a compact envelope. Standard worm and wheel transmission ratios commonly reach 20:1, and in demanding applications, ratios of 300:1 or higher are achievable. Many worm drive configurations also provide inherent self-locking \u2014 when the lead angle of the worm is smaller than the equivalent friction angle, the worm wheel cannot back-drive the worm. This characteristic is widely exploited in lifting equipment, safety interlocks, and positioning systems across UK manufacturing facilities.<\/p>\n<\/div>\n

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Technical Specifications<\/h2>\n
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Parameter<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
Model Number<\/td>\nM3, M4, M5, M8, M12 and etc.<\/td>\n<\/tr>\n
Material<\/td>\nBrass, C45 steel, Stainless steel, Copper, POM, Aluminum, Alloy and so on<\/td>\n<\/tr>\n
Surface Treatment<\/td>\nZinc plated, Nickel plated, Passivation, Oxidation, Anodization, Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating and Electrophoresis<\/td>\n<\/tr>\n
Standard<\/td>\nISO, DIN, ANSI, JIS, BS and Non-standard<\/td>\n<\/tr>\n
Precision Grade<\/td>\nDIN6, DIN7, DIN8, DIN9<\/td>\n<\/tr>\n
Teeth Treatment<\/td>\nHardened, Milled or Ground<\/td>\n<\/tr>\n
Tolerance<\/td>\n0.001 mm \u2013 0.01 mm \u2013 0.1 mm<\/td>\n<\/tr>\n
Finish<\/td>\nShot\/sand blast, heat treatment, annealing, tempering, polishing, anodizing, zinc-plated<\/td>\n<\/tr>\n
Packaging<\/td>\nPlastic bag + Cartons or Wooden Packing<\/td>\n<\/tr>\n
Payment Terms<\/td>\nT\/T, L\/C<\/td>\n<\/tr>\n
Production Lead Time<\/td>\n20 business days for sample; 25 days for bulk orders<\/td>\n<\/tr>\n
Sample Price<\/td>\nUSD $2 \u2013 $100 (express freight paid by client)<\/td>\n<\/tr>\n
Application<\/td>\nAutomatic controlling machine, semiconductor industry, general industry machinery, medical equipment, solar energy equipment, machine tool, parking system, high-speed rail and aviation transportation equipment, etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Working Principle & Proper Meshing Conditions<\/h2>\n

\"Ever<\/p>\n

Understanding how a worm and wheel meshes correctly is fundamental to specifying the right set for any power transmission project. Two key parameters govern proper meshing. The module and pressure angle of the worm and the worm wheel in the middle plane must be equal \u2014 meaning the end module of the worm wheel equals the axial surface module of the worm, and both must be at their standard values. Similarly, the end pressure angle of the worm wheel must equal the axial pressure angle of the worm.<\/p>\n

When the stagger angle is specified, it must be strictly maintained, and both the worm and the worm wheel must share the same helical direction. Getting these parameters right from the outset avoids premature wear, heat build-up, and vibration \u2014 three of the most common failure modes reported by UK maintenance engineers working with incorrectly specified worm drive assemblies.<\/p>\n

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Equal Module & Pressure Angle<\/div>\n
The end module of the worm wheel must equal the axial module of the worm \u2014 both at standard values \u2014 for smooth, efficient power transfer.<\/div>\n<\/div>\n
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Matched Helical Direction<\/div>\n
Worm and worm wheel must share the same helix hand. Mismatched helical direction causes immediate contact failure and shaft overloading.<\/div>\n<\/div>\n
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Line Contact Engagement<\/div>\n
The arc-form tooth width of the worm wheel enables full line contact with the worm, multiplying load capacity versus simple point-contact helical drives.<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Material Selection for Worm and Wheel<\/h2>\n

Selecting the correct material pairing for a worm and wheel set has a direct bearing on operating temperature, wear rate, noise level, and total cost of ownership. Ever Power offers a broad range of material options to match every duty \u2014 from light-duty automation to continuous heavy industrial cycles. Worm wheels are typically produced from cast tin bronze or aluminium iron bronze, with cast iron reserved for low-speed, non-critical transmissions. The worm itself is most commonly manufactured from hardened alloy steel or C45 steel, ensuring the hardness differential necessary for controlled wear on the softer wheel teeth rather than on the worm.<\/p>\n

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Cast Tin Bronze<\/div>\n
Excellent friction reduction and anti-adhesion properties. Ideal for high-speed or continuous-duty worm wheels. Slightly higher cost but outstanding longevity in lubricated systems.<\/div>\n<\/div>\n
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Aluminium Iron Bronze<\/div>\n
Higher mechanical strength and lower cost than tin bronze. Slightly reduced anti-adhesion performance, but excellent where impact loads or high tooth stress are present.<\/div>\n<\/div>\n
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Cast Iron (Grey \/ Ductile)<\/div>\n
Used for low-speed, non-critical worm and wheel transmissions. Requires ageing treatment to prevent deformation under thermal cycling. Cost-effective for basic industrial applications.<\/div>\n<\/div>\n
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Stainless Steel \/ POM \/ Brass<\/div>\n
Available for food processing, pharmaceutical, or corrosion-sensitive environments. POM (acetal) worm wheels suit light-load, low-noise applications such as automation and instrumentation.<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Worm and Wheel \u2014 Key Performance Features<\/h2>\n

The engineering advantages of the worm and wheel transmission make it a preferred choice wherever large speed reduction, compactness, low noise, or positional holding is required. UK procurement specialists evaluating gear set suppliers should weigh these characteristics carefully when comparing options.<\/p>\n

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1<\/span>
\nHigh Transmission Ratio in Compact Space<\/span><\/div>\n

Worm and wheel sets deliver large transmission ratios \u2014 commonly 20:1, and up to 300:1 or higher \u2014 within a smaller footprint than staggered shaft helical gear arrangements. This compactness is particularly valuable in UK machine tool and automation applications where cabinet space is at a premium.<\/p>\n<\/div>\n

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2<\/span>
\nHigh Load-Bearing Capacity via Line Contact<\/span><\/div>\n

Because the meshing tooth surfaces engage in line contact, the worm and wheel pair carries significantly higher loads compared to point-contact alternatives. This is crucial for heavy-duty industrial machinery and material handling equipment operating under sustained high torque conditions.<\/p>\n<\/div>\n

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3<\/span>
\nSmooth, Low-Noise Multi-Tooth Drive<\/span><\/div>\n

Worm transmission operates as a multi-tooth meshing drive, comparable in its smoothness to helical drive. Multiple teeth share the load simultaneously, reducing noise and vibration to levels well-suited for environments where quiet operation is required \u2014 from hospital equipment to precision measuring instruments.<\/p>\n<\/div>\n

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4<\/span>
\nReverse Self-Locking Safety<\/span><\/div>\n

When the worm lead angle is smaller than the equivalent friction angle between meshing teeth, the assembly becomes self-locking \u2014 the worm wheel cannot reverse-drive the worm. This built-in safety characteristic is widely used in lifting machinery and heavy load positioning systems to prevent uncontrolled back-drive under power loss.<\/p>\n<\/div>\n

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\nDesign Consideration: Efficiency & Heat<\/span><\/div>\n

The relative sliding velocity between meshing surfaces generates friction losses, reducing transmission efficiency and producing heat. This makes lubrication and material selection especially important. Ever Power addresses this by offering bronze alloy wheel options with proven anti-friction characteristics, together with guidance on lubrication system design for high-duty-cycle installations.<\/p>\n<\/div>\n

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\nLarge Axial Force Management<\/span><\/div>\n

Worm drives generate significant axial forces on the worm shaft, requiring properly specified thrust bearings. Ever Power’s engineering support team assists UK clients in selecting matched bearing arrangements and housing configurations, ensuring long-term reliability without unexpected shaft deflection or premature bearing failure.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Application Scenarios<\/h2>\n

From semiconductor fabs to solar tracking systems, the worm and wheel set appears wherever controlled, high-ratio speed reduction in a compact form is required. UK industries spanning automotive, food production, logistics, and aerospace all rely on precision worm gear sets. Typical applications supplied by Ever Power include:<\/p>\n

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Automatic Controlling Machines<\/div>\n<\/div>\n
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Semiconductor Industry<\/div>\n<\/div>\n
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Medical Equipment<\/div>\n<\/div>\n
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Solar Energy Equipment<\/div>\n<\/div>\n
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Machine Tools<\/div>\n<\/div>\n
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Parking Systems<\/div>\n<\/div>\n
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Rail & Aviation Transport<\/div>\n<\/div>\n
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General Industrial Machinery<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Our Manufacturing Facility & Custom Service<\/h2>\n
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\"Ever<\/div>\n<\/div>\n

Ever Power operates a fully equipped manufacturing facility dedicated to precision worm gear production. Our workshops house multi-axis CNC gear hobbing machines, CNC grinding centres, and coordinate measuring equipment that together allow us to manufacture worm and wheel sets to DIN6 through DIN9 tolerances with repeatability in the 0.001 mm range. Whether your project calls for a standard metric module set or a highly specific non-standard configuration, our production team has the tooling and material stock to respond quickly \u2014 with sample lead times of 20 business days and bulk orders completed in 25 days.<\/p>\n

Custom worm and wheel manufacturing is a core strength of Ever Power. We work directly with UK design engineers and procurement teams to produce bespoke gear sets from engineering drawings, CAD files, or even reverse-engineered samples. Custom specifications we regularly accommodate include non-standard modules, special pressure angles, oversized worm wheels for high-torque applications, special surface coatings for corrosive environments, and material combinations not available in standard catalogues. Our team can also advise on optimal helix angle and lead angle selection to tune the self-locking characteristic for your specific operating conditions.<\/p>\n

Get a Quote \u2014 sales@cardancoupling.top<\/a><\/div>\n<\/div>\n

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Customer Success Story<\/h2>\n

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Case Study<\/span>
\nUK Automated Packaging Line \u2014 West Midlands<\/span><\/div>\n

Industry:<\/strong> Food Processing & Packaging \u00a0|\u00a0 Location:<\/strong> West Midlands, England \u00a0|\u00a0 Application:<\/strong> Conveyor indexing drives<\/p>\n

\"WormA mid-size food packaging manufacturer in the West Midlands was experiencing premature failure of worm gear sets on its high-speed case erecting lines \u2014 a recurring problem traced to poor material selection and inadequate surface hardness on the worm shaft. After contacting Ever Power, our engineering team reviewed their duty cycle and shaft centre distances, recommending a cast tin bronze worm wheel paired with a C45 hardened steel worm in M5 module, DIN7 precision grade with nickel-plated surface treatment for moisture resistance.<\/p>\n

Following installation of the replacement worm and wheel sets, the customer reported zero gear failures over an 18-month production run \u2014 compared to quarterly replacement costs with their previous supplier. Ongoing supply is now managed on an annual blanket order with 25-day replenishment lead times, keeping downtime risk negligible for their three-shift operation.<\/p>\n<\/div>\n

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What Our Customers Say<\/h3>\n
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“We specified a non-standard module worm and wheel for a bespoke indexing table project. Ever Power produced exactly what our drawings required, within tolerance, on time. Their technical support during the design stage saved us weeks of back-and-forth.”<\/p>\n

James R. \u00a0\u2014 Design Engineer, Precision Automation Ltd, Manchester, UK<\/span><\/div>\n<\/div>\n
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“Price was competitive and the quality of the bronze worm wheels genuinely impressed our inspection team. Dimensions matched the drawings spot on. We have now placed our third repeat order and lead times have been consistent every time.”<\/p>\n

Sarah T. \u00a0\u2014 Procurement Manager, Midlands Industrial Supplies, Birmingham, UK<\/span><\/div>\n<\/div>\n
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“We needed stainless steel worm gear sets for a food-grade conveyor \u2014 not something every supplier can do. Ever Power handled the whole specification process and delivered samples within three weeks. The finish quality was excellent and they passed our hygiene compliance checks without issue.”<\/p>\n

David M. \u00a0\u2014 Maintenance Director, Northern Food Technologies, Leeds, UK<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Frequently Asked Questions<\/h2>\n
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How much does a custom worm and wheel set cost when ordering from a UK supplier for industrial automation equipment?<\/div>\n
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Pricing for a custom worm and wheel set depends on several variables \u2014 module size, material grade (bronze, stainless, C45 steel), precision class (DIN6 through DIN9), surface treatment, and order quantity. Sample prices typically range from $2 to $100 per piece depending on size and complexity, with express freight paid by the buyer. For bulk orders, the per-unit cost reduces significantly. To get an accurate price for your specific automation project in the UK, send your drawings or parameters to sales@cardancoupling.top<\/a> and we will respond with a detailed quotation.<\/div>\n<\/div>\n<\/div>\n
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Which worm and wheel materials are best suited for food processing machinery in the UK where hygiene standards apply?<\/div>\n
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For food-grade or hygiene-critical applications in the UK, stainless steel worms paired with POM (acetal) or stainless steel worm wheels are the preferred choice. Stainless steel resists corrosion from cleaning chemicals and moisture, while POM offers low friction and is accepted in food contact environments. Our team can advise on the appropriate alloy grade and surface finish for your specific duty cycle and cleaning regime.<\/div>\n<\/div>\n<\/div>\n
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What gear reduction ratio can I achieve with a worm and wheel set, and when would I need a ratio higher than 20:1 in a British manufacturing context?<\/div>\n
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Standard worm and wheel sets deliver reduction ratios of approximately 20:1. Where space constraints prevent using a multi-stage reduction, worm gears can reach 300:1 or higher in a single stage. UK applications that typically require ratios beyond 20:1 include very slow-speed positioning tables, lifting mechanisms, antenna drives, and solar tracker systems \u2014 any scenario where fine output speed control or inherent self-locking is needed alongside extreme reduction in a compact package. Contact us with your speed-in and speed-out requirements for a tailored recommendation.<\/div>\n<\/div>\n<\/div>\n
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Where can I get a quote for non-standard worm and wheel sets with BS or DIN precision grading for a machine tool project in England?<\/div>\n
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Ever Power manufactures to ISO, DIN, ANSI, JIS, BS, and fully non-standard specifications. For any non-standard worm and wheel project in England \u2014 including bespoke module sizes, unusual pressure angles, or one-off prototype quantities \u2014 email your technical drawings to sales@cardancoupling.top<\/a>. Our team will review the geometry and provide a formal quotation within one to two working days, inclusive of material options and lead time estimates.<\/div>\n<\/div>\n<\/div>\n
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How do I identify a worn worm and wheel set in my machine and can Ever Power reverse-engineer a replacement from a damaged sample?<\/div>\n
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Signs of a worn worm and wheel include increased gear noise, output shaft vibration, visible surface pitting on the bronze wheel teeth, or loss of positional accuracy in CNC or automation equipment. If you cannot identify the exact specification, send us the damaged gear set \u2014 we specialise in reverse engineering from physical samples. We will measure the module, pressure angle, number of teeth, material grade, and surface treatment, then manufacture a direct replacement. This service is available to customers across the UK including England, Scotland, and Wales.<\/div>\n<\/div>\n<\/div>\n
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Are you a trading company or a direct manufacturer, and do you offer metric worm gear sets compatible with European machine standards?<\/div>\n
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Ever Power is a direct manufacturer \u2014 not a trading intermediary. All worm and wheel sets are produced in our own facility using CNC gear hobbing and grinding equipment. We manufacture full metric module ranges compatible with European DIN and ISO standards, as well as imperial inch-based specifications for legacy equipment. Working directly with the factory means shorter lead times, more flexible minimum order quantities, and direct access to our engineering team for specification support.<\/div>\n<\/div>\n<\/div>\n
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When can I expect delivery of sample worm and wheel sets, and what payment terms do you accept for UK industrial buyers?<\/div>\n
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Sample production lead time is 20 business days from drawing approval and payment receipt. Bulk order production runs are completed within 25 business days. We accept payment via T\/T (telegraphic transfer) and L\/C (letter of credit) \u2014 both widely used by UK industrial procurement teams. Payment is required prior to shipment. Once your sample is approved, the sample fee is refunded against your first bulk order.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Ready to Source Precision Worm and Wheel Sets for Your UK Project?<\/div>\n

Tell us your module, material, reduction ratio, and quantity \u2014 and we will turn a technical quote around within one working day. Custom specifications, sample orders, and reverse engineering all welcome.<\/p>\n

Get a Quote Now<\/a><\/p>\n<\/div>\n

edit by gzl<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Precision worm and wheel sets: brass, C45 steel, stainless, POM. M3\u2013M12, DIN6\u2013DIN9, ratios up to 300:1. Custom & BS standard. UK supply.<\/p>","protected":false},"featured_media":1516,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[5370],"product_tag":[],"class_list":["post-1565","product","type-product","status-publish","has-post-thumbnail","product_cat-worm-gear-shaft","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/product\/1565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/comments?post=1565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/media\/1516"}],"wp:attachment":[{"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/media?parent=1565"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/product_brand?post=1565"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/product_cat?post=1565"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/worm-shaft.com\/kk\/wp-json\/wp\/v2\/product_tag?post=1565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}