--- title: "API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling" description: "API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling — Spacers, Bushings & Distance Sleeves. Material: Alloy. MOQ 1 set." url: https://engineeringhardware.com/product/api-wellhead-riser-spacer-adapter-drlling-spools-for-oil-well-drilling/ source: Engineering Hardware & Fasteners --- # API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling [![API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling](https://img.engineeringhardware.com/API-Wellhead-Riser-Spacer-Adapter-Drlling-Spools-for-Oil-Well-Drilling.webp)](https://img.engineeringhardware.com/API-Wellhead-Riser-Spacer-Adapter-Drlling-Spools-for-Oil-Well-Drilling.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Spacers, Standoffs & Binding Hardware › Spacers, Bushings & Distance Sleeves](https://engineeringhardware.com/fastener-products/spacers-standoffs-binding-hardware/spacers-bushings-distance-sleeves/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/api-wellhead-riser-spacer-adapter-drlling-spools-for-oil-well-drilling.md) Model no. **SLD-472** Price on request MOQ 1 set · Final price confirmed in your quote - **Surface Treatment:** Spray-Paint - **Material:** Alloy - **Size:** As per custom's requirement - **Material of construction:** API-6A,API-16A,NACE MR0175 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20API%20Wellhead%20Riser%20Spacer%20Adapter%20Drlling%20Spools%20for%20Oil%20Well%20Drilling%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fapi-wellhead-riser-spacer-adapter-drlling-spools-for-oil-well-drilling%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Customization | Available | | --- | --- | | After-sales Service | Yes | | Warranty | 1 Year | | Model NO. | SLD-472 | | Manufacturing Process | Forging | | Surface Treatment | Spray-Paint | | Material | Alloy | | Transport Package | Export Wooden Box | | Specification | according to requirement | | Origin | China | | Production Capacity | 100 Sets/Month | | Size | As per custom's requirement | | Pressure rating | 2000psi to 20000 psi | | Material of construction | API-6A,API-16A,NACE MR0175 | | Service condition | General,Sour services | | Category | [Spacers, Bushings & Distance Sleeves](https://engineeringhardware.com/fastener-products/spacers-standoffs-binding-hardware/spacers-bushings-distance-sleeves/) | ## Technical parameters | Working Pressure | 2000PSI-20000PSI | | --- | --- | | Working Medium | Mud, Oil, Natural Gas | | Working Temperature | -46ºC-121ºC(L-U) | | Material Class | AA -HH | | Specification Class | PSL1-PSL4 | | Performance Class | PR1-PR2 | ## Description API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling is part of our spacers, bushings & distance sleeves range (Spacers, Standoffs & Binding Hardware). ### Key details - **Material:** Alloy - **Size:** As per custom's requirement - **Surface Treatment:** Spray-Paint - **Warranty:** 1 Year - **Manufacturing Process:** Forging - **Pressure rating:** 2000psi to 20000 psi - **Material of construction:** API-6A,API-16A,NACE MR0175 - **Service condition:** General,Sour services Available configurations include surface treatment, material, size and material of construction. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 set. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling? The listed minimum order is 1 set. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of API Wellhead Riser Spacer Adapter Drlling Spools for Oil Well Drilling? Material: Alloy; Size: As per custom's requirement; Surface Treatment: Spray-Paint; Warranty: 1 Year; Manufacturing Process: Forging; Pressure rating: 2000psi to 20000 psi. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include surface treatment, material, size and material of construction. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other spacers, bushings & distance sleeves are available? The Spacers, Bushings & Distance Sleeves category lists 2,111 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/spacers-standoffs-binding-hardware/spacers-bushings-distance-sleeves/](https://engineeringhardware.com/fastener-products/spacers-standoffs-binding-hardware/spacers-bushings-distance-sleeves/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Spacers, Bushings & Distance Sleeves →](https://engineeringhardware.com/fastener-products/spacers-standoffs-binding-hardware/spacers-bushings-distance-sleeves/) [![High-Quality Durable Plastic Cross Spacers for Floor Tiles](https://img.engineeringhardware.com/High-Quality-Durable-Plastic-Cross-Spacers-for-Floor-Tiles.webp)](https://engineeringhardware.com/product/high-quality-durable-plastic-cross-spacers-for-floor-tiles/) Spacers, Bushings & Distance Sleeves ### [High-Quality Durable Plastic Cross Spacers for Floor Tiles](https://engineeringhardware.com/product/high-quality-durable-plastic-cross-spacers-for-floor-tiles/) Vitrified Tiles · Ceramic Tiles **US$0.12 – 0.60**MOQ 100 pieces [![Premium Die Cast Aluminum Circular Spacer for Precision 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