--- title: "Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17" description: "Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17 — Countersunk & Flat-Head Machine Screws. MOQ 1,000,000,000 pieces, US$0.12 – 0.24." url: https://engineeringhardware.com/product/double-countersunk-head-hi-low-thread-concrete-tapcon-screws-t17/ source: Engineering Hardware & Fasteners --- # Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17 [![Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17](https://img.engineeringhardware.com/Double-Countersunk-Head-Hi-Low-Thread-Concrete-Tapcon-Screws-T17.webp)](https://img.engineeringhardware.com/Double-Countersunk-Head-Hi-Low-Thread-Concrete-Tapcon-Screws-T17.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/double-countersunk-head-hi-low-thread-concrete-tapcon-screws-t17.md) Model no. **STST06** US$0.12 – 0.24 / piece MOQ 1,000,000,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel/Carbon Steel - **Shape of Head:** Flat - **Surface Finishing:** Ruspert/Zinc/Plain - **Customized:** Customized - **Standard:** DIN/Customized - **Drive:** Torx/Customized - **Package Size:** 27.00cm * 25.00cm * 18.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Double%20Countersunk%20Head%20Hi-Low%20Thread%20Concrete%20Tapcon%20Screws%20T17%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdouble-countersunk-head-hi-low-thread-concrete-tapcon-screws-t17%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 | Stainless Steel/Carbon Steel | | Shape of Head | Flat | | Model NO. | STST06 | | Surface Finishing | Ruspert/Zinc/Plain | | Customized | Customized | | Point | Sharp Point | | Standard | DIN/Customized | | Drive | Torx/Customized | | Application | Chemical/Industry/Environmental/Household | | Sharp Point | Type 17 | | Transport Package | Box/Carton | | Specification | 8x100 | | Origin | China | | HS Code | 7318150000 | | Production Capacity | 100 Mpcs/Month | | Package Size | 27.00cm * 25.00cm * 18.00cm | | Package Gross Weight | 25.000kg | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | Size | #10 ~ #12, 1" ~ 6" | | --- | --- | | Material | MS/CS, SS304, SS316, SS410 etc. | | Head Type | Flat, countersunk, oval hrad | | Drive Type | Phil, Torx, slotted, Phil & Slotted combination, Hex Socket | | Thread | AB, B, BP, BF, BT | | Finish | Zinc plated(clear/bule/yellow), black/gray phosphate, nickel, ruspert, painted | | Packing | Bulk in cartons (25kg Max.) + wooden pallets or according to customer demand. | | Application | Structural steel industry, Metal building industry, Mechanical equipment industry, Automobile industry, etc. | | Chemical components | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Material | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Otros | | 201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | | N≤0.25 | | 304 | 0.08 | 1 | 2 | 0,045 | 0.03 | 8.0-10.0 | 18-20 | | | | 304L | 0.03 | 1 | 2 | 0,045 | 0.03 | 8.0-12.0 | 18-20 | | | | 321 | 0.08 | 1 | 2 | 0,045 | 0.03 | 8.0-13.0 | 17-19 | | Ti≤5*C% | | 316 | 0.08 | 1 | 2 | 0,045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | | | 316L | 0.03 | 1 | 2 | 0,045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | | | 309S | 0.08 | 1 | 2 | 0,045 | 0.03 | 12.0-15.0 | 22-24 | | | | 410 | 0.15 | | 1 | | 0.03 | - | 11.5-13.5 | | | | 420 | 0.26-0.4 | | 1 | | 0.03 | - | 12-14 | | | | 430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 | | | ## Description Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17 is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Standard:** DIN/Customized - **Material:** Stainless Steel/Carbon Steel - **Drive:** Torx/Customized - **Application:** Chemical/Industry/Environmental/Household - **Shape of Head:** Flat - **Surface Finishing:** Ruspert/Zinc/Plain - **Point:** Sharp Point - **Sharp Point:** Type 17 Available configurations include material, shape of head, surface finishing, customized and standard. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000,000,000 pieces at US$0.12 – 0.24 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 Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17? The listed minimum order is 1,000,000,000 pieces, at US$0.12 – 0.24 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 Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17? Standard: DIN/Customized; Material: Stainless Steel/Carbon Steel; Drive: Torx/Customized; Application: Chemical/Industry/Environmental/Household; Shape of Head: Flat; Surface Finishing: Ruspert/Zinc/Plain. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, shape of head, surface finishing, customized and standard. 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 & flat-head machine screws are available? The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) 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 Countersunk & Flat-Head Machine Screws →](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) [![Competitive Price Stainless Steel Hex Nut, Flange Nut, Heavy Hex Nut, Hex Cap Nut, Round Nut, Slotted Nut](https://img.engineeringhardware.com/Competitive-Price-Stainless-Steel-Hex-Nut-Flange-Nut-Heavy-Hex-Nut-Hex-Cap-Nut-Round-Nut-Slotted-Nut.webp)](https://engineeringhardware.com/product/competitive-price-stainless-steel-hex-nut-flange-nut-heavy-hex-nut-hex-cap-nut-round/) Countersunk & Flat-Head Machine Screws ### [Competitive Price Stainless Steel Hex Nut, Flange Nut, Heavy Hex Nut, Hex Cap Nut, Round Nut, Slotted Nut](https://engineeringhardware.com/product/competitive-price-stainless-steel-hex-nut-flange-nut-heavy-hex-nut-hex-cap-nut-round/) Countersunk Head · DIN, GB, ANSI, BSW, JIS **US$0.48 – 0.72**MOQ 1,000 pieces 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