--- title: "Heavy-Duty Double Deck Iron Tower Bolts for Structural Support" description: "Heavy-Duty Double Deck Iron Tower Bolts for Structural Support — Structural & Heavy Hex Bolts. Material: Iron, Standard: GB. MOQ 4,800 pieces, US$0.60." url: https://engineeringhardware.com/product/heavy-duty-double-deck-iron-tower-bolts-for-structural-support/ source: Engineering Hardware & Fasteners --- # Heavy-Duty Double Deck Iron Tower Bolts for Structural Support [![Heavy-Duty Double Deck Iron Tower Bolts for Structural Support](https://img.engineeringhardware.com/Heavy-Duty-Double-Deck-Iron-Tower-Bolts-for-Structural-Support.webp)](https://img.engineeringhardware.com/Heavy-Duty-Double-Deck-Iron-Tower-Bolts-for-Structural-Support.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/heavy-duty-double-deck-iron-tower-bolts-for-structural-support.md) Model no. **LS 2600** US$0.60 / piece MOQ 4,800 pieces · Final price confirmed in your quote - **Length:** 4 inch - **Width:** 22mm - **Pin Diameter:** 7mm - **Finish:** Nickel Plated - **Color:** Black - **Head Style:** Square - **Standard:** GB - **Grade:** 8.8 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%20Double%20Deck%20Iron%20Tower%20Bolts%20for%20Structural%20Support%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fheavy-duty-double-deck-iron-tower-bolts-for-structural-support%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. | LS 2600 | | --- | --- | | Length | 4 inch | | Thickness | 1.0mm | | Width | 22mm | | Pin Diameter | 7mm | | Finish | Nickel Plated | | Usage | Window | | Color | Black | | Process | Extruding | | Connection | Common Bolt | | Head Style | Square | | Standard | GB | | Grade | 8.8 | | Application | Building | | Size | 4"X10X1.5mm | | Transport Package | Paper Box | | Specification | 3" | | Origin | China | | HS Code | 830241000 | | Production Capacity | 200000 PCS/Month | | Customization | Available | | Type | Tower Bolt | | Material | Iron | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Our company have 3 close cooperation factories | Longsharp Tools Co., Ltd. Jiutai Tools Manufactory; FYF Hardware & Tools Factory; Gute Tools Co. | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Double Deck Iron Tower Bolts | | | --- | --- | | Size | 3"x10x1.5mm 20Doz/Qty G.W.:32Kgs Meas:50x23x20cm4"x10x1.5mm 20Doz/Qty G.W.:35Kgs Meas:50x27x20cm5"x10x1.7mm 10Doz/Qty G.W.:24Kgs Meas:50x17x20cm6"x10x1.7mm 10Doz/Qty G.W.:31Kgs Meas:50x20x20cm8"x10x1.7mm 10Doz/Qty G.W.:34Kgs Meas:50x24x20cm | | Detail | * Made of high quality Iron* Black baking finish* Each packed with paper box. | ## Description Heavy-Duty Double Deck Iron Tower Bolts for Structural Support is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Tower Bolt - **Standard:** GB - **Material:** Iron - **Grade:** 8.8 - **Size:** 4"X10X1.5mm - **Length:** 4 inch - **Head Style:** Square - **Finish:** Nickel Plated Available configurations include length, width, pin diameter, finish and color. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 4,800 pieces at US$0.60 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 Double Deck Iron Tower Bolts for Structural Support? The listed minimum order is 4,800 pieces, at US$0.60 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 Double Deck Iron Tower Bolts for Structural Support? Type: Tower Bolt; Standard: GB; Material: Iron; Grade: 8.8; Size: 4"X10X1.5mm; Length: 4 inch. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include length, width, pin diameter, finish and color. 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/) [![Metric High Strength Bolts 8.8 Grade HDG DIN 931/933 Hex Bolts](https://img.engineeringhardware.com/Metric-High-Strength-Bolts-8-8-Grade-HDG-DIN-931-933-Hex-Bolts.webp)](https://engineeringhardware.com/product/metric-high-strength-bolts-8-8-grade-hdg-din-931-933-hex-bolts/) Structural & Heavy Hex Bolts ### [Metric High Strength Bolts 8.8 Grade HDG DIN 931/933 Hex Bolts](https://engineeringhardware.com/product/metric-high-strength-bolts-8-8-grade-hdg-din-931-933-hex-bolts/) Hexagon Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.024 – 0.06**MOQ 10 pieces [![High Strength Insulation Epoxy FRP Bolt Threaded Screw and 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