--- title: "Mk-891.1739-901 Washer, Suit for Mining Machine" description: "Mk-891.1739-901 Washer, Suit for Mining Machine — Flat & Other Precision Washers. Material: Polyurethane. MOQ 1 piece, US$11,999." url: https://engineeringhardware.com/product/mk-891-1739-901-washer-suit-for-mining-machine/ source: Engineering Hardware & Fasteners --- # Mk-891.1739-901 Washer, Suit for Mining Machine [![Mk-891.1739-901 Washer, Suit for Mining Machine](https://img.engineeringhardware.com/Mk-891-1739-901-Washer-Suit-for-Mining-Machine.webp)](https://img.engineeringhardware.com/Mk-891-1739-901-Washer-Suit-for-Mining-Machine.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/mk-891-1739-901-washer-suit-for-mining-machine.md) Model no. **MK-891.1739-901** US$11,999 / piece MOQ 1 piece · Final price confirmed in your quote - **Standard:** AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN - **Surface Treatment:** Without Processing - **Material:** Polyurethane Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Mk-891.1739-901%20Washer%2C%20Suit%20for%20Mining%20Machine%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fmk-891-1739-901-washer-suit-for-mining-machine%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 | After-sales Service | Yes | | --- | --- | | Warranty | 6-12 Months | | Certification | CE, RoHS, ISO 9001:2000, ISO 9001:2008 | | Model NO. | MK-891.1739-901 | | Standard | AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN | | Surface Treatment | Without Processing | | Manufacturing Process | Precision Machining | | Material | Polyurethane | | Shipping Cost | Negotiate with Supplier | | Quality Control | 100% Inspention | | Average Respons | ≤12h | | Transport Package | Standard Transportation Packaging | | Specification | 0.25kg | | Origin | Prc | | HS Code | 847490000 | | Production Capacity | 50000PCS/Year | | Manganese castings | Mantle, Concave, Bowl Liner, Jaw Plates | | Structural parts | Frame, Adjustment Ring, Gear & Pinion, Pitman, Tramp Release Cylinder | | What makes us different | · | | Our company promises | 1. Before purchase,We will offer you our professional suggest to help customer choose the most reliable and cost saving products. | | Category | [Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) | ## Description Mk-891.1739-901 Washer, Suit for Mining Machine is part of our flat & other precision washers range (Washers). ### Key details - **Standard:** AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN - **Material:** Polyurethane - **Surface Treatment:** Without Processing - **Certification:** CE, RoHS, ISO 9001:2000, ISO 9001:2008 - **Warranty:** 6-12 Months - **Manufacturing Process:** Precision Machining - **Quality Control:** 100% Inspention - **Average Respons:** ≤12h Available configurations include standard, surface treatment and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$11,999 per piece. 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 Mk-891.1739-901 Washer, Suit for Mining Machine? The listed minimum order is 1 piece, at US$11,999 per piece. 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 Mk-891.1739-901 Washer, Suit for Mining Machine? Standard: AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN; Material: Polyurethane; Surface Treatment: Without Processing; Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008; Warranty: 6-12 Months; Manufacturing Process: Precision Machining. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include standard, surface treatment and material. 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 flat & other precision washers are available? The Flat & Other Precision Washers category lists 8,437 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) 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 Flat & Other Precision Washers →](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) [![Industrial Bucket Wheel Fine Sand Stone Washer with Best Price](https://img.engineeringhardware.com/Industrial-Bucket-Wheel-Fine-Sand-Stone-Washer-with-Best-Price.webp)](https://engineeringhardware.com/product/industrial-bucket-wheel-fine-sand-stone-washer-with-best-price/) Flat & Other Precision Washers ### [Industrial Bucket Wheel Fine Sand Stone Washer with Best Price](https://engineeringhardware.com/product/industrial-bucket-wheel-fine-sand-stone-washer-with-best-price/) Bucket Sand Washer · Cast Steel **US$6,000 – 60,000**MOQ 1 piece [![Heavy-Duty Stainless Steel Washers for Heavy Equipment with Mil-Std 11991b (Load 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