--- title: "A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Countersunk Head Screw Bolt" description: "A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Counte… — Countersunk, Plow & Elevator Bolts." url: https://engineeringhardware.com/product/a2-stainless-steel-thin-flat-head-bolt-internal-hexagonal-machine-screw-torx-head/ source: Engineering Hardware & Fasteners --- # A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Countersunk Head Screw Bolt [![A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Countersunk Head Screw Bolt](https://img.engineeringhardware.com/A2-Stainless-Steel-Thin-Flat-Head-Bolt-Internal-Hexagonal-Machine-Screw-Torx-Head-Countersunk-Head-Screw-Bolt.webp)](https://img.engineeringhardware.com/A2-Stainless-Steel-Thin-Flat-Head-Bolt-Internal-Hexagonal-Machine-Screw-Torx-Head-Countersunk-Head-Screw-Bolt.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Countersunk, Plow & Elevator Bolts](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) Updated 2026-11-03 · [Markdown version](https://engineeringhardware.com/product/a2-stainless-steel-thin-flat-head-bolt-internal-hexagonal-machine-screw-torx-head.md) Model no. **Flat-head internal hexagonal bolt** | **US$0.06**1,000–4,999 pieces | **US$0.036**5,000–9,999 pieces | **US$0.024**10,000–19,999 pieces | **US$0.012**20,000+ pieces | | --- | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Grade:** 8.8 10.9 12.9 - **Finish:** Black - **Thread Type:** Avaiable - **Packing:** Customer Requset - **Head Type:** Hex Head Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20A2%20Stainless%20Steel%20Thin%20Flat%20Head%20Bolt%20Internal%20Hexagonal%20Machine%20Screw%20Torx%20Head%20Countersunk%20Head%20Screw%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fa2-stainless-steel-thin-flat-head-bolt-internal-hexagonal-machine-screw-torx-head%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 | Hexagon Head | | Model NO. | Flat-head internal hexagonal bolt | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Grade | 8.8 10.9 12.9 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Black | | Delivery Time | Negotiable | | Single Gross Weight | 20g-500g | | Sample | Avaiable | | Place of Origin | Hebei,China | | Thread Type | Avaiable | | MOQ | 1000PCS | | Name | Hex Head Bolt | | Packing | Customer Requset | | Head Type | Hex Head | | Model Number | DIN912 | | Single Package Size | 25X25X16.Cm | | Transport Package | Customization | | Specification | M6-M36 | | Origin | Handan | | HS Code | 73181590 | | Production Capacity | 30ton/Day | | Package Size | 1.00cm * 1.00cm * 1.00cm | | Package Gross Weight | 1.000kg | | DIN | Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr.2, 5, 8; | | M2-M30 | Cold Froging, M30-M100 Hot Forging, Machining and CNC for Customized fastener | | Category | [Countersunk, Plow & Elevator Bolts](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) | ## Technical parameters | product name | Flat-head internal hexagonal bolt | | --- | --- | | Material | SS304/high strength carbon steel | | Service | OEM/ODM and fast shipping ,strict quality check,free sample for standard fastener | | customize lead time | 30-60days | | standard | DIN, ASTM/ANSI JIS EN ISO, AS, GB | | Steel Grade | DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr.2, 5, 8; | | Production Process | M2-M30:Cold Froging, M30-M100 Hot Forging, Machining and CNC for Customized fastener | | finishing | Black Phosphated , Gray Phosphated, Blue-white zinc , White zinc | ## Description A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Countersunk Head Screw Bolt is part of our countersunk, plow & elevator bolts range (Bolts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Material:** Carbon Steel - **Grade:** 8.8 10.9 12.9 - **Head Type:** Hex Head - **Head Style:** Hexagonal - **Finish:** Black - **Connection:** Common Bolt 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$0.012 – 0.06 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 A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Countersunk Head Screw Bolt? The listed minimum order is 1,000 pieces, at US$0.012 – 0.06 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$0.06 for 1,000–4,999 pieces; US$0.036 for 5,000–9,999 pieces; US$0.024 for 10,000–19,999 pieces; US$0.012 for 20,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of A2 Stainless Steel Thin Flat Head Bolt Internal Hexagonal Machine Screw Torx Head Countersunk Head Screw Bolt? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 8.8 10.9 12.9; Head Type: Hex Head; Head Style: Hexagonal. 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 countersunk, plow & elevator bolts are available? The Countersunk, Plow & Elevator Bolts category lists 533 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-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 Countersunk, Plow & Elevator Bolts →](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) [![High Quality Europe Fanged Screws Elevator Bolt](https://img.engineeringhardware.com/High-Quality-Europe-Fanged-Screws-Elevator-Bolt.webp)](https://engineeringhardware.com/product/high-quality-europe-fanged-screws-elevator-bolt/) Countersunk, Plow & Elevator Bolts ### [High Quality Europe Fanged Screws Elevator Bolt](https://engineeringhardware.com/product/high-quality-europe-fanged-screws-elevator-bolt/) Round Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.36 – 1.20**MOQ 1 piece [![Bucket Belt Elevator Bolt M6 Customized Carbon Steel Grade 8.8 Flat Head Fanged Elevator 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