--- title: "High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations" description: "High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations — Structural & Heavy Hex Bolts. MOQ 1,000 pieces, US$0.84 – 6.00." url: https://engineeringhardware.com/product/high-strength-countersunk-head-bolt-for-flush-fit-smooth-surface-installations/ source: Engineering Hardware & Fasteners --- # High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations [![High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations](https://img.engineeringhardware.com/High-Strength-Countersunk-Head-Bolt-for-Flush-Fit-Smooth-Surface-Installations.webp)](https://img.engineeringhardware.com/High-Strength-Countersunk-Head-Bolt-for-Flush-Fit-Smooth-Surface-Installations.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/high-strength-countersunk-head-bolt-for-flush-fit-smooth-surface-installations.md) Model no. **Bolt** US$0.84 – 6.00 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Standard:** GB - **Surface Treatment:** HDG - **Color:** Silver - **Material:** Steel - **Package Size:** 40.00cm * 40.00cm * 50.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High%20Strength%20Countersunk%20Head%20Bolt%20for%20Flush-Fit%20Smooth%20Surface%20Installations%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-strength-countersunk-head-bolt-for-flush-fit-smooth-surface-installations%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 | | --- | --- | | Technics | Cold Pressing | | Standard | GB | | Model NO. | Bolt | | Usage | Line Fittings | | Type | Pull-Line Fitting | | Lead Time | 30 Days | | Surface Treatment | HDG | | Color | Silver | | Material | Steel | | Sample | Available | | Trade Term | CIF, CFR, Fob | | Transport Package | Exportation Standard Package | | Specification | customization | | Origin | China | | HS Code | 7318159090 | | Production Capacity | 100000 | | Package Size | 40.00cm * 40.00cm * 50.00cm | | Package Gross Weight | 50.000kg | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Country of origin | Brand | | --- | --- | | China | Winner | ## Description High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Pull-Line Fitting - **Standard:** GB - **Material:** Steel - **Surface Treatment:** HDG - **Technics:** Cold Pressing - **Usage:** Line Fittings - **Color:** Silver - **Trade Term:** CIF, CFR, Fob Available configurations include standard, surface treatment, color, material and package size. 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$0.84 – 6.00 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 High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations? The listed minimum order is 1,000 pieces, at US$0.84 – 6.00 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 High Strength Countersunk Head Bolt for Flush-Fit Smooth Surface Installations? Type: Pull-Line Fitting; Standard: GB; Material: Steel; Surface Treatment: HDG; Technics: Cold Pressing; Usage: Line Fittings. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include standard, surface treatment, color, material and package size. 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 Square Head Bolt Carbon Steel OEM Custom](https://img.engineeringhardware.com/High-Strength-Square-Head-Bolt-Carbon-Steel-OEM-Custom.webp)](https://engineeringhardware.com/product/high-strength-square-head-bolt-carbon-steel-oem-custom/) Structural & Heavy Hex Bolts ### [High Strength Square Head Bolt Carbon Steel OEM Custom](https://engineeringhardware.com/product/high-strength-square-head-bolt-carbon-steel-oem-custom/) Square Head · DIN, ANSI, GB, JIS **US$0.06 – 1.20**MOQ 1,000 pieces [![DIN933 M8 Grade 8.8 Carbon Steel Black Finish Corrosion Resistant Hex Head Bolts, ASTM A320 Heavy Hexagon Structural Fastener 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Stainless Steel **US$0.0036 – 0.0096**MOQ 1,000 pieces [![Anti Rust High-Strength Hexagonal Spring Washer Combination Carbon Steel Alloy Steel Bolt](https://img.engineeringhardware.com/Anti-Rust-High-Strength-Hexagonal-Spring-Washer-Combination-Carbon-Steel-Alloy-Steel-Bolt.webp)](https://engineeringhardware.com/product/anti-rust-high-strength-hexagonal-spring-washer-combination-carbon-steel-alloy-steel/) Structural & Heavy Hex Bolts ### [Anti Rust High-Strength Hexagonal Spring Washer Combination Carbon Steel Alloy Steel Bolt](https://engineeringhardware.com/product/anti-rust-high-strength-hexagonal-spring-washer-combination-carbon-steel-alloy-steel/) Hexagon Head · GB **US$0.0816 – 0.084**MOQ 100,000 pieces **US$0.84 – 6.00**MOQ 1,000 piecesGet a 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