--- title: "Square Head Galvanized Twisted Shank Foundation Bolt" description: "Square Head Galvanized Twisted Shank Foundation Bolt — Foundation & Anchor Bolts. MOQ 500 pieces, US$0.0012 – 12.00." url: https://engineeringhardware.com/product/square-head-galvanized-twisted-shank-foundation-bolt/ source: Engineering Hardware & Fasteners --- # Square Head Galvanized Twisted Shank Foundation Bolt [![Square Head Galvanized Twisted Shank Foundation Bolt](https://img.engineeringhardware.com/Square-Head-Galvanized-Twisted-Shank-Foundation-Bolt.webp)](https://img.engineeringhardware.com/Square-Head-Galvanized-Twisted-Shank-Foundation-Bolt.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Anchors & Construction Fixings › Foundation & Anchor Bolts](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/) Updated 2026-11-03 · [Markdown version](https://engineeringhardware.com/product/square-head-galvanized-twisted-shank-foundation-bolt.md) Model no. **screw003** US$0.0012 – 12.00 / piece MOQ 500 pieces · Final price confirmed in your quote - **Material:** High Strength Steel - **Head Style:** Square - **Standard:** DIN, ANSI, GB, BSW - **Grade:** 9.8 - **Finish:** Hot Galvanizing - **Package Size:** 40.00cm * 30.00cm * 20.00cm - **Body Material:** High-strength carbon steel (Grade 45 / 8.8) for superior tensile and shear strength. - **Surface Treatment:** Hot-dip galvanized (HDG) for maximum corrosion resistance against moisture, chemicals, and outdoor exposure. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Square%20Head%20Galvanized%20Twisted%20Shank%20Foundation%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsquare-head-galvanized-twisted-shank-foundation-bolt%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 | High Strength Steel | | Type | Square Head | | Model NO. | screw003 | | Connection | Common Bolt | | Head Style | Square | | Standard | DIN, ANSI, GB, BSW | | Grade | 9.8 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Hot Galvanizing | | Transport | by Sea or Air | | Deliverytime | 10-15days | | Weight | 100g | | Transport Package | Wooden or Pallet | | Specification | Alloy | | Origin | China | | HS Code | 7318190000 | | Production Capacity | 5000 | | Package Size | 40.00cm * 30.00cm * 20.00cm | | Package Gross Weight | 5.000kg | | Body Material | High-strength carbon steel (Grade 45 / 8.8) for superior tensile and shear strength. | | Surface Treatment | Hot-dip galvanized (HDG) for maximum corrosion resistance against moisture, chemicals, and outdoor exposure. | | Design | Three-section structure – a hexagonal head for wrench engagement, a smooth middle shank for grout coverage, and a sharp helical cutting tip for easy penetration and enhanced bonding. | | Structure | Precision-machined helical flutes increase the contact area with grout, creating a strong mechanical lock that distributes loads evenly across the foundation. | | Exceptional Load-Bearing Capacity | The helical design combined with grout bonding creates an ultra-strong anchor point, offering superior pull-out and shear resistance compared to standard straight anchors. | | Permanent & Reliable Installation | Grout-filled installation ensures a permanent, non-loosening connection that resists vibration, settlement, and dynamic loads over the long term. | | Superior Corrosion Protection | Full hot-dip galvanized coating provides a thick, durable barrier against rust and corrosion, suitable for both embedded (concrete/soil) and exposed applications. | | Versatile Substrate Compatibility | Designed for use with grout in concrete, brick, stone, and compacted soil, making it suitable for a wide range of foundation and anchoring projects. | | Category | [Foundation & Anchor Bolts](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/) | ## Technical parameters | Origin | Hebei,China | | --- | --- | | Port | Tianjin | | Specification | Customized | ## Description Square Head Galvanized Twisted Shank Foundation Bolt is part of our foundation & anchor bolts range (Anchors & Construction Fixings). ### Key details - **Type:** Square Head - **Standard:** DIN, ANSI, GB, BSW - **Material:** High Strength Steel - **Grade:** 9.8 - **Head Style:** Square - **Finish:** Hot Galvanizing - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, 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 500 pieces at US$0.0012 – 12.00 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 Square Head Galvanized Twisted Shank Foundation Bolt? The listed minimum order is 500 pieces, at US$0.0012 – 12.00 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 Square Head Galvanized Twisted Shank Foundation Bolt? Type: Square Head; Standard: DIN, ANSI, GB, BSW; Material: High Strength Steel; Grade: 9.8; Head Style: Square; Finish: Hot Galvanizing. 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 foundation & anchor bolts are available? The Foundation & Anchor Bolts category lists 2,223 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Foundation & Anchor Bolts →](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/) [![7/9-Shaped Galvanized Welded High-Strength Anchor Bolt](https://img.engineeringhardware.com/7-9-Shaped-Galvanized-Welded-High-Strength-Anchor-Bolt.webp)](https://engineeringhardware.com/product/7-9-shaped-galvanized-welded-high-strength-anchor-bolt/) Foundation & Anchor Bolts ### [7/9-Shaped Galvanized Welded High-Strength Anchor Bolt](https://engineeringhardware.com/product/7-9-shaped-galvanized-welded-high-strength-anchor-bolt/) Custom · GB **US$0.06 – 6.83**MOQ 100 pieces [![Hollow Grouting Bolt Composite Beam Anchor Rod Support Bolt Mining Anchor 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