--- title: "Mushroom Head Roofing Bolt with Square Nut and Hex Nut" description: "Mushroom Head Roofing Bolt with Square Nut and Hex Nut — Hex-Head Bolts. Material: Carbon Steel, Standard: DIN, ISO. MOQ 1,000 pieces, US$0.0084 – 0.16." url: https://engineeringhardware.com/product/mushroom-head-roofing-bolt-with-square-nut-and-hex-nut/ source: Engineering Hardware & Fasteners --- # Mushroom Head Roofing Bolt with Square Nut and Hex Nut [![Mushroom Head Roofing Bolt with Square Nut and Hex Nut](https://img.engineeringhardware.com/Mushroom-Head-Roofing-Bolt-with-Square-Nut-and-Hex-Nut.webp)](https://img.engineeringhardware.com/Mushroom-Head-Roofing-Bolt-with-Square-Nut-and-Hex-Nut.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Hex-Head Bolts](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/mushroom-head-roofing-bolt-with-square-nut-and-hex-nut.md) Model no. **Mushroom Head Roofing Bolt with Square Nut** US$0.0084 – 0.16 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Mushroom Head - **Standard:** DIN, ISO - **Grade:** 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel) - **Finish:** Self Color, Zinc Plated, HDG, Zinc Flake - **Packag Color:** Customizable - **Thread Standard:** Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine - **Custom Order:** Customization by Drawing/Sample Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Mushroom%20Head%20Roofing%20Bolt%20with%20Square%20Nut%20and%20Hex%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fmushroom-head-roofing-bolt-with-square-nut-and-hex-nut%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 | Carbon Steel | | Type | Mushroom Head Bolt with Square/Hex Nut | | Model NO. | Mushroom Head Roofing Bolt with Square Nut | | Connection | Common Bolt | | Head Style | Mushroom Head | | Standard | DIN, ISO | | Grade | 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel) | | Application | Machinery, Chemical Industry, Building | | Finish | Self Color, Zinc Plated, HDG, Zinc Flake | | Delivery | 5-15 Days | | Certification | DIN 603 C/W Hex Nuts DIN 934 | | Packag Color | Customizable | | Thread Standard | Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine | | Custom Order | Customization by Drawing/Sample | | ODM/OEM | Available | | Service | Custom-Made Service | | Size Standard | Metric/Inch | | Material Test Certificate | Have | | Sample | Samples in Stock Are Free with Freight Collect | | Price Terms | Fob/CFR/CIF/DDP/DAP | | Color | Silver | | Quality Control | 100% Quality Inspection | | Application2 | Connection, Fastening | | Transport Package | Bulk Pack Small Boxed | | Specification | M6-M24 | | Origin | China | | HS Code | 731816 | | Production Capacity | 10000ton/Year | | Package Size | 25.00cm * 25.00cm * 19.00cm | | Package Gross Weight | 25.000kg | | Our Commitment | Strict quality control system | | Best Competitive Advantages | • British-owned, Qingdao-based — | | Category | [Hex-Head Bolts](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) | ## Technical parameters | Model NO. | Mushroom Head Roofing Bolts with Square Nuts | | --- | --- | | Standard | to drawing | | Size | M10 - M260 | | Grade | 4.8 | | Material | Carbon Steel | | Finish | BZP | | Packaging | Bulk Pack,Small Boxed | ## Description Mushroom Head Roofing Bolt with Square Nut and Hex Nut is part of our hex-head bolts range (Bolts). ### Key details - **Type:** Mushroom Head Bolt with Square/Hex Nut - **Standard:** DIN, ISO - **Material:** Carbon Steel - **Grade:** 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel) - **Head Style:** Mushroom Head - **Finish:** Self Color, Zinc Plated, HDG, Zinc Flake - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Building Available configurations include material, head style, standard, grade and finish. 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$0.0084 – 0.16 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 Mushroom Head Roofing Bolt with Square Nut and Hex Nut? The listed minimum order is 1,000 pieces, at US$0.0084 – 0.16 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 Mushroom Head Roofing Bolt with Square Nut and Hex Nut? Type: Mushroom Head Bolt with Square/Hex Nut; Standard: DIN, ISO; Material: Carbon Steel; Grade: 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel); Head Style: Mushroom Head; Finish: Self Color, Zinc Plated, HDG, Zinc Flake. 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, grade and finish. 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-head bolts are available? The Hex-Head Bolts category lists 8,449 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/](https://engineeringhardware.com/fastener-products/bolts/hex-head-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 Hex-Head Bolts →](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) [![5/16” 7/16” 9/16” Unc ASTM A193 A320 Grade B8 B8m Stainless Steel Hex Head Bolt with Nut](https://img.engineeringhardware.com/5-16-7-16-9-16-Unc-ASTM-A193-A320-Grade-B8-B8m-Stainless-Steel-Hex-Head-Bolt-with-Nut.webp)](https://engineeringhardware.com/product/5-16-7-16-9-16-unc-astm-a193-a320-grade-b8-b8m-stainless-steel-hex-head-bolt-with-nut/) Hex-Head Bolts ### [5/16” 7/16” 9/16” Unc ASTM A193 A320 Grade B8 B8m Stainless Steel Hex Head Bolt with Nut](https://engineeringhardware.com/product/5-16-7-16-9-16-unc-astm-a193-a320-grade-b8-b8m-stainless-steel-hex-head-bolt-with-nut/) Hexagon Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.18 – 0.60**MOQ 10 pieces [![Large Size Black Oxide High Tensile Bolts, Metric DIN ASTM Imperial Standard, Grade 8.8 10.9 12.9 Unc Unf Bsw Bsf Hex Head 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Projects](https://engineeringhardware.com/product/precision-made-bolt-fasteners-for-industrial-construction-projects/) Hexagonal Bolts · Steel **US$0.60 – 1.80**MOQ 1,000 pieces **US$0.0084 – 0.16**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%20Mushroom%20Head%20Roofing%20Bolt%20with%20Square%20Nut%20and%20Hex%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fmushroom-head-roofing-bolt-with-square-nut-and-hex-nut%2F)