--- title: "Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Steel Bolt" description: "Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Ste… — Structural & Heavy Hex Bolts. MOQ 100 pieces, US$0.096 – 0.12." url: https://engineeringhardware.com/product/industrial-high-strength-standard-custom-hex-square-flat-head-button-head-stainless/ source: Engineering Hardware & Fasteners --- # Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Steel Bolt [![Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Steel Bolt](https://img.engineeringhardware.com/Industrial-High-Strength-Standard-Custom-Hex-Square-Flat-Head-Button-Head-Stainless-Steel-Bolt.webp)](https://img.engineeringhardware.com/Industrial-High-Strength-Standard-Custom-Hex-Square-Flat-Head-Button-Head-Stainless-Steel-Bolt.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/industrial-high-strength-standard-custom-hex-square-flat-head-button-head-stainless.md) Model no. **stainless bolt** | **US$0.12**100–999 pieces | **US$0.11**1,000–9,999 pieces | **US$0.096**10,000+ pieces | | --- | --- | --- | MOQ 100 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Finish:** Hot Galvanizing - **Head Type:** Hexagon - **Available Material:** Carbon Steel - **International Standard:** DIN, ANSI, GB, JIS, Bsw, GOST - **Package Size:** 35.00cm * 25.00cm * 15.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Industrial%20%2FHigh%20Strength%2FStandard%2FCustom%2FHex%2FSquare%2FFlat%20Head%2FButton%20Head%2FStainless%20Steel%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Findustrial-high-strength-standard-custom-hex-square-flat-head-button-head-stainless%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 | | --- | --- | | Material | Stainless Steel | | Type | Hexagon Head | | Model NO. | stainless bolt | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Application | Machinery, Environmental, Building | | Finish | Hot Galvanizing | | Head Type | Hexagon | | Available Material | Carbon Steel | | International Standard | DIN, ANSI, GB, JIS, Bsw, GOST | | Used | HDG Hexagon Head Bolts-Machinery, Building | | Transport Package | Box, Carton, Pallet | | Specification | M3-72 | | Origin | China | | HS Code | 7318159001 | | Production Capacity | 200 Tons/Month | | Package Size | 35.00cm * 25.00cm * 15.00cm | | Package Gross Weight | 15.000kg | | Produt name | Bolts | | Raw Materials | : | | Shape | Square, Rectangle, Round, Tapper, Dome, etc. | | Surface treatment | Plain, Black, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated. | | Grades | Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc | | Thread | : | | ISO 9001 | 2015 Quality System Certified Company. | | Tolerance | +/-0.02 | | Packing | Small box/Carton, Cartons Bulk/Pallet, Gunny Bag. | | Payment term | L/C ,T/T , D/P , Western Union. | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Produt name: | Bolts | | --- | --- | | Raw Materials:: | Carbon steel, Alloy steel, Aluminum steel, Stainless steel, Plastic and Copper. | | Shape: | Square, Rectangle, Round, Tapper, Dome, etc. | | Surface treatment: | Plain, Black, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated. | | Application: | Industry | | Grades: | Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc | | Thread:: | Metric Coarse, Metric Fine, UNC, UNF, BSW, BSF. | | Quality assurance: | ISO 9001: 2015 Quality System Certified Company. | | Tolerance: | +/-0.02 | | Packing: | Small box/Carton, Cartons Bulk/Pallet, Gunny Bag. | | Payment term: | L/C ,T/T , D/P , Western Union. | | Origin: | China | ## Description Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Steel Bolt is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Material:** Stainless Steel - **Thread:** : - **Head Type:** Hexagon - **Head Style:** Hexagonal - **Finish:** Hot Galvanizing - **Connection:** Common Bolt Available configurations include material, head style, standard, finish and head type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.096 – 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 Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Steel Bolt? The listed minimum order is 100 pieces, at US$0.096 – 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. ### How does the price change with quantity? Volume pricing: US$0.12 for 100–999 pieces; US$0.11 for 1,000–9,999 pieces; US$0.096 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Industrial /High Strength/Standard/Custom/Hex/Square/Flat Head/Button Head/Stainless Steel Bolt? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Stainless Steel; Thread: :; Head Type: Hexagon; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, head style, standard, finish and head type. 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 structural & heavy hex bolts are available? The Structural & Heavy Hex Bolts category lists 2,565 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) 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 Structural & Heavy Hex Bolts →](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) [![High Strength Inconel625 Customization Industrial Alloy Hexagon Head Bolt for Construction Machinery](https://img.engineeringhardware.com/High-Strength-Inconel625-Customization-Industrial-Alloy-Hexagon-Head-Bolt-for-Construction-Machinery.webp)](https://engineeringhardware.com/product/high-strength-inconel625-customization-industrial-alloy-hexagon-head-bolt-for/) Structural & Heavy Hex Bolts ### [High Strength Inconel625 Customization Industrial Alloy Hexagon Head Bolt for Construction Machinery](https://engineeringhardware.com/product/high-strength-inconel625-customization-industrial-alloy-hexagon-head-bolt-for/) Hexagon Head · DIN, GB, ISO, ASTM, ASME **US$0.60 – 1.20**MOQ 1,000 pieces [![Customized Carbon Steel Galvanized Color Zinc Plated Heavy 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Cold Bolt](https://engineeringhardware.com/product/durable-eco-friendly-multi-purpose-customized-surface-treated-heat-treated-alloyed/) Round or Hexagonal or Square · DIN, ANSI, GB, JIS, GOST, BSW **US$0.11 – 0.12**MOQ 10,000 pieces **US$0.096 – 0.12**MOQ 100 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Industrial%20%2FHigh%20Strength%2FStandard%2FCustom%2FHex%2FSquare%2FFlat%20Head%2FButton%20Head%2FStainless%20Steel%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Findustrial-high-strength-standard-custom-hex-square-flat-head-button-head-stainless%2F)