--- title: "ASTM A194 Grade 2h Heavy Hex Nut M12" description: "ASTM A194 Grade 2h Heavy Hex Nut M12 — Hex & Other Standard Nuts. Material: Carbon Steel, Standard: ANSI. MOQ 10 pieces, US$0.12." url: https://engineeringhardware.com/product/astm-a194-grade-2h-heavy-hex-nut-m12/ source: Engineering Hardware & Fasteners --- # ASTM A194 Grade 2h Heavy Hex Nut M12 [![ASTM A194 Grade 2h Heavy Hex Nut M12](https://img.engineeringhardware.com/ASTM-A194-Grade-2h-Heavy-Hex-Nut-M12.webp)](https://img.engineeringhardware.com/ASTM-A194-Grade-2h-Heavy-Hex-Nut-M12.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/astm-a194-grade-2h-heavy-hex-nut-m12.md) Model no. **M12** US$0.12 / piece MOQ 10 pieces · Final price confirmed in your quote - **Head Style:** Hexagonal - **Standard:** ANSI - **Grade:** 12.9 - **Surface:** Plain, Black, Zinc, Dacromet, H.D.G. PTFE - **Sizes Range:** 10 to 64 - **Package Size:** 80.00cm * 80.00cm * 100.00cm - **Material:** Carbon Steel - **Material grades:** 8/8M, 660, 321, 2205, 31083. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20ASTM%20A194%20Grade%202h%20Heavy%20Hex%20Nut%20M12%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a194-grade-2h-heavy-hex-nut-m12%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 | Model NO. | M12 | | --- | --- | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | ANSI | | Grade | 12.9 | | Surface | Plain, Black, Zinc, Dacromet, H.D.G. PTFE | | Sizes Range | 10 to 64 | | Application1 | Structural Steel/Metal Buliding/Oil&Gas/Automobile | | Application | Connections with Bolts / Stud Bolts | | Transport Package | Bag/Carton | | Specification | custom | | Origin | China | | Package Size | 80.00cm * 80.00cm * 100.00cm | | Package Gross Weight | 1000.000kg | | Customization | Available | | Material | Carbon Steel | | Type | Hexagon Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Material grades | 8/8M, 660, 321, 2205, 31083. | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Item | Hex Nut and Heavy Hex Nuts | | --- | --- | | Standard | DIN, ISO , ANSI | | System of Measurement | Inch and Metric | | Basic Material | Carbn Steel, Alloy Steel, Stainless Steel | | Dia./Thread Size | 3/16"-4" and M13-M100 | | Surface Finish | Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc. | | Fastener Thread Type | UNC (Coarse) / Metric | | Packing | Bulk in master cartons, then on pallets, or according to customers' requirement. | ## Description ASTM A194 Grade 2h Heavy Hex Nut M12 is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** ANSI - **Material:** Carbon Steel - **Grade:** 12.9 - **Head Style:** Hexagonal - **Connection:** Common Bolt - **Application:** Connections with Bolts / Stud Bolts - **Surface:** Plain, Black, Zinc, Dacromet, H.D.G. PTFE Available configurations include head style, standard, grade, surface and sizes range. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10 pieces at US$0.12 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 ASTM A194 Grade 2h Heavy Hex Nut M12? The listed minimum order is 10 pieces, at US$0.12 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 ASTM A194 Grade 2h Heavy Hex Nut M12? Type: Hexagon Head; Standard: ANSI; Material: Carbon Steel; Grade: 12.9; Head Style: Hexagonal; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, surface and sizes range. 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 hex & other standard nuts are available? The Hex & Other Standard Nuts category lists 8,354 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) 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 Hex & Other Standard Nuts →](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) [![Standard Thread Pitch Heavy Load Resistance Round Nut](https://img.engineeringhardware.com/Standard-Thread-Pitch-Heavy-Load-Resistance-Round-Nut.webp)](https://engineeringhardware.com/product/standard-thread-pitch-heavy-load-resistance-round-nut/) Hex & Other Standard Nuts ### [Standard Thread Pitch Heavy Load Resistance Round Nut](https://engineeringhardware.com/product/standard-thread-pitch-heavy-load-resistance-round-nut/) Round Head · DIN **US$6.00**MOQ 10 pieces [![14X1.5 Factory OEM Black Closed End Flat Washer Type Wheel Lug Nuts](https://img.engineeringhardware.com/14X1-5-Factory-OEM-Black-Closed-End-Flat-Washer-Type-Wheel-Lug-Nuts.webp)](https://engineeringhardware.com/product/14x1-5-factory-oem-black-closed-end-flat-washer-type-wheel-lug-nuts/) Hex 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