--- title: "Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel Carbon Steel" description: "Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel C… — Self-Tapping & Thread-Forming Screws." url: https://engineeringhardware.com/product/phillips-countersunk-large-flat-head-tri-lobular-thread-forming-screws-stainless/ source: Engineering Hardware & Fasteners --- # Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel Carbon Steel [![Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel Carbon Steel](https://img.engineeringhardware.com/Phillips-Countersunk-Large-Flat-Head-Tri-Lobular-Thread-Forming-Screws-Stainless-Steel-Carbon-Steel.webp)](https://img.engineeringhardware.com/Phillips-Countersunk-Large-Flat-Head-Tri-Lobular-Thread-Forming-Screws-Stainless-Steel-Carbon-Steel.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Self-Tapping & Thread-Forming Screws](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/phillips-countersunk-large-flat-head-tri-lobular-thread-forming-screws-stainless.md) Model no. **M2 M2.5 M3 M4 M5 M6 M8 M10** | **US$0.036**1,000–9,999 pieces | **US$0.024**10,000–99,999 pieces | **US$0.012**100,000+ pieces | | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN, GB, JIS, GOST - **Grade:** 8.8 - **Thread Type:** Full Thread - **Length:** 6-40mm - **Customized:** Customizable - **Package Size:** 11.00cm * 10.00cm * 7.50cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Phillips%20Countersunk%20Large%20Flat%20Head%20Tri-Lobular%20Thread%20Forming%20Screws%20Stainless%20Steel%20Carbon%20Steel%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fphillips-countersunk-large-flat-head-tri-lobular-thread-forming-screws-stainless%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 | | Type | Pan Head | | Model NO. | M2 M2.5 M3 M4 M5 M6 M8 M10 | | Groove | Cinquefoil | | Connection | Hinged Bolts | | Head Style | Round | | Standard | DIN, GB, JIS, GOST | | Grade | 8.8 | | Thread Type | Full Thread | | Delivery Time | 7-15workdays | | Sampling Time | 3-5workdays | | Length | 6-40mm | | Customized | Customizable | | Transport Package | Small Box Carton | | Specification | M2 M2.5 M3 M4 M5 M6 M8 M10 | | Origin | Dong Guan China | | HS Code | 7318150000 | | Package Size | 11.00cm * 10.00cm * 7.50cm | | Package Gross Weight | 1.000kg | | Lead Time | 3 days (1 - 1000 Pieces) 4 days (1001 - 10000 Pieces) 5 days (10001 - 100000 Pieces) To be negotiated ( > 100000 Pieces) | | Spec | DIN, ISO, ANSIB, JIS, Drawing, Sample Standard: DIN7985, DIN965, DIN84, DIN963, ISO14583, ISO14581, ISO14579, ISO14584 Head: Raised cheese Hd., Countersunk Hd., Pan Hd., Raised Countersunk Hd., Cap Hd. | | Recess | Cross Recessed, Hexalobular Diameter : M2 ~ M48 ; #2 ~ 2'' Length: 3 ~ 200mm ; 5/32'' ~ 4'' Material : A2, A4, SUS 304/316 and carbon steel | | Specifications | ANSI, ASME, DIN, IFI, ISO, JIS | | Shapes | hexagonal, square, circular, elongated, butterfly-shaped, claw-shaped, etc | | Function | Through the internal thread, nuts and bolts of the same specification can be connected together. For instance, nuts of the M4-P0.7 series can only be connected to bolts of the M4-P0.7 series | | Application | It is used in electronic instruments, mold manufacturing, precision machinery, hardware accessories, mechanical parts, stamping parts, and small and medium-sized hardware manufacturing. | | Category | [Self-Tapping & Thread-Forming Screws](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) | ## Description Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel Carbon Steel is part of our self-tapping & thread-forming screws range (Screws). ### Key details - **Type:** Pan Head - **Standard:** DIN, GB, JIS, GOST - **Material:** Stainless Steel - **Grade:** 8.8 - **Length:** 6-40mm - **Head Style:** Round - **Groove:** Cinquefoil - **Connection:** Hinged Bolts Available configurations include material, head style, standard, grade and thread type. 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 – 0.036 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 Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel Carbon Steel? The listed minimum order is 1,000 pieces, at US$0.012 – 0.036 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$0.036 for 1,000–9,999 pieces; US$0.024 for 10,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Phillips Countersunk Large Flat Head Tri-Lobular Thread Forming Screws Stainless Steel Carbon Steel? Type: Pan Head; Standard: DIN, GB, JIS, GOST; Material: Stainless Steel; Grade: 8.8; Length: 6-40mm; Head Style: Round. 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 thread type. 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 self-tapping & thread-forming screws are available? The Self-Tapping & Thread-Forming Screws category lists 4,881 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Self-Tapping & Thread-Forming Screws →](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) [![A2 A4 Stainless Steel Cross Countersunk Self Tapping Screw](https://img.engineeringhardware.com/A2-A4-Stainless-Steel-Cross-Countersunk-Self-Tapping-Screw.webp)](https://engineeringhardware.com/product/a2-a4-stainless-steel-cross-countersunk-self-tapping-screw/) Self-Tapping & Thread-Forming Screws ### [A2 A4 Stainless Steel Cross Countersunk Self Tapping Screw](https://engineeringhardware.com/product/a2-a4-stainless-steel-cross-countersunk-self-tapping-screw/) Countersunk Head Cross Self Tapping Screws · DIN, GB, ANSI, BSW, JIS,… **US$0.012 – 0.12**MOQ 10,000 pieces [![Coarse Fine Thread Galvanized Drywall Screws for Steel 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**US$0.012 – 0.036**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Phillips%20Countersunk%20Large%20Flat%20Head%20Tri-Lobular%20Thread%20Forming%20Screws%20Stainless%20Steel%20Carbon%20Steel%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fphillips-countersunk-large-flat-head-tri-lobular-thread-forming-screws-stainless%2F)