--- title: "Heavy-Duty High-Strength Hex Head Bolts Set" description: "Heavy-Duty High-Strength Hex Head Bolts Set — Assortment Kits & Mixed Fastener Sets. Material: Steel, Standard: DIN. MOQ 1,000 pieces, US$0.12 – 1.20." url: https://engineeringhardware.com/product/heavy-duty-high-strength-hex-head-bolts-set/ source: Engineering Hardware & Fasteners --- # Heavy-Duty High-Strength Hex Head Bolts Set [![Heavy-Duty High-Strength Hex Head Bolts Set](https://img.engineeringhardware.com/Heavy-Duty-High-Strength-Hex-Head-Bolts-Set.webp)](https://img.engineeringhardware.com/Heavy-Duty-High-Strength-Hex-Head-Bolts-Set.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Fastener Sets & Assemblies › Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/heavy-duty-high-strength-hex-head-bolts-set.md) Model no. **DIN6914 - 6915** US$0.12 – 1.20 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Finish:** Plain - **Packing:** Cartons+Plastic Bags - **Head Type:** Hexagon Flange Head - **Surface Treatment:** Black Oxide - **Material:** Steel - **Standard:** DIN Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Heavy-Duty%20High-Strength%20Hex%20Head%20Bolts%20Set%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fheavy-duty-high-strength-hex-head-bolts-set%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. | DIN6914 - 6915 | | --- | --- | | Application | Industry | | Finish | Plain | | Packing | Cartons+Plastic Bags | | Head Type | Hexagon Flange Head | | Surface Treatment | Black Oxide | | Origin | Zhejiang, China | | Production Capacity | 100000 Piece/Pieces Per Month | | Customization | Available | | Material | Steel | | Standard | DIN | | Quality Guarantee | Strict quality control is maintained from raw materials to finished products following the ISO9001 quality management system, ensuring 100% qualified products with lifetime warranty support. | | Pricing | High-quality products are offered at reasonable prices. Request a quote for accurate pricing. | | Free Samples | New customers can receive free samples for standard fasteners, with express charges covered by the client. Old customers receive free samples with express charges paid by the company. | | Delivery Time | Stocked goods can be delivered within 15 days, while larger quantities may take 25-35 days. | | Packaging | Products are packed in 20-25kg cartons, with customized logos available upon request. | | Payment Terms | Accepted payment methods include T/T, L/C, D/P for general orders, and Paypal, Western Union for small or sample orders. | | Category | [Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) | ## Technical parameters | item | value | | --- | --- | | Finish | Plain | | Material | Steel | | Place of Origin | China | | | Zhejiang | | Model Number | DIN6914-6915 | | Standard | DIN | | Material | Steel | | Surface treatment | Black Oxide | | Application | Industry | | Packing | Cartons+plastic Bags | | Head type | Hexagon Flange Head | ## Description Heavy-Duty High-Strength Hex Head Bolts Set is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies). ### Key details - **Standard:** DIN - **Material:** Steel - **Head Type:** Hexagon Flange Head - **Surface Treatment:** Black Oxide - **Finish:** Plain - **Application:** Industry - **Packing:** Cartons+Plastic Bags Available configurations include finish, packing, head type, 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 1,000 pieces at US$0.12 – 1.20 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 Heavy-Duty High-Strength Hex Head Bolts Set? The listed minimum order is 1,000 pieces, at US$0.12 – 1.20 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 Heavy-Duty High-Strength Hex Head Bolts Set? Standard: DIN; Material: Steel; Head Type: Hexagon Flange Head; Surface Treatment: Black Oxide; Finish: Plain; Application: Industry. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include finish, packing, head type, 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 assortment kits & mixed fastener sets are available? The Assortment Kits & Mixed Fastener Sets category lists 3,161 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) 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 Assortment Kits & Mixed Fastener Sets →](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) [![Pipe Seam Friction Bolt (Split Set) 47mm Mining Friction Bolt for Tunnel & Rock Support](https://img.engineeringhardware.com/Pipe-Seam-Friction-Bolt-Split-Set-47mm-Mining-Friction-Bolt-for-Tunnel-Rock-Support.webp)](https://engineeringhardware.com/product/pipe-seam-friction-bolt-split-set-47mm-mining-friction-bolt-for-tunnel-rock-support/) Assortment Kits & Mixed Fastener Sets ### [Pipe Seam Friction Bolt (Split Set) 47mm Mining Friction Bolt for Tunnel & Rock Support](https://engineeringhardware.com/product/pipe-seam-friction-bolt-split-set-47mm-mining-friction-bolt-for-tunnel-rock-support/) Filter · Galvanize or Not **US$2.23 – 3.00**MOQ 100 pieces [![Forklift Anchor Steel Part Hex Stud Nut Wheel Kit Hexagon 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DIN, GB, ANSI **US$0.012 – 0.036**MOQ 10,000 pieces **US$0.12 – 1.20**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Heavy-Duty%20High-Strength%20Hex%20Head%20Bolts%20Set%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fheavy-duty-high-strength-hex-head-bolts-set%2F)