--- title: "High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet" description: "High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet — Self-Tapping & Thread-Forming Screws." url: https://engineeringhardware.com/product/high-load-bearing-capacity-self-tapping-custom-countersunk-head-screw-for-control/ source: Engineering Hardware & Fasteners --- # High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet [![High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet](https://img.engineeringhardware.com/High-Load-Bearing-Capacity-Self-Tapping-Custom-Countersunk-Head-Screw-for-Control-Cabinet.webp)](https://img.engineeringhardware.com/High-Load-Bearing-Capacity-Self-Tapping-Custom-Countersunk-Head-Screw-for-Control-Cabinet.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/high-load-bearing-capacity-self-tapping-custom-countersunk-head-screw-for-control.md) Model no. **ST2.2, ST2.9, ST3.5, ST4.2, ST4.8, ST5.5** US$0.012 – 0.06 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Surface Finishing:** Polishing - **Customized:** Customized - **Standard:** GB / DIN / ISO - **Size:** Customizable - **Head Style:** Round - **OEM Custom:** Yes - **ODM Custom:** Yes - **Material:** Carbon Steel, Stainless Steel 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%20Load-Bearing%20Capacity%20Self-Tapping%20Custom%20Countersunk%20Head%20Screw%20for%20Control%20Cabinet%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-load-bearing-capacity-self-tapping-custom-countersunk-head-screw-for-control%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 | Model NO. | ST2.2, ST2.9, ST3.5, ST4.2, ST4.8, ST5.5 | | --- | --- | | Surface Finishing | Polishing | | Customized | Customized | | Product Name | Self-Tapping Screw | | Keywords | Countersunk Head Self-Tapping Screw | | Standard | GB / DIN / ISO | | MOQ | 1000PCS | | Connection | Common Bolt | | Size | Customizable | | Delivery Time | 7-15 Working Days | | Head Style | Round | | Groove | Cross / Torx / Square | | Certificate | ISO9001 / ISO14001 / ISO45001 / IATF16949 | | Feature | Durable, High Hardness, Environmental | | Application | Decoration, Industry, Equipment | | OEM Custom | Yes | | ODM Custom | Yes | | Sample | Yes | | Transport Package | Carton+Pallet | | Specification | ST2.2, ST2.9, ST3.5, ST4.2, ST4.8, ST5.5 | | Origin | Jiangsu, China | | Production Capacity | 400tons/Month | | Customization | Available | | Material | Carbon Steel, Stainless Steel | | Shape of Head | Round | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Category | [Self-Tapping & Thread-Forming Screws](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) | ## Technical parameters | Thread Specification | ST2.2 | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | ST5.5 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | P | Thread Pitch | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | | | a | Max | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | | | dk | Max=Nominal | 4.3 | 5.5 | 6.8 | 7.5 | 8.1 | 9.5 | 10.8 | | | Min | 4 | 5.2 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | | | | k | ≈ | 1.3 | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | | | y | Max | Type C | 2 | 2.6 | 3.2 | 3.5 | 3.7 | 4.3 | 5 | | Type F | 1.6 | 2.1 | 2.5 | 2.7 | 2.8 | 3.2 | 3.6 | | | | Slot Number | 1 | 1 | 2 | 2 | 2 | 2 | 3 | | | | M1 | ≈ | | 2.5 | 3 | 4.2 | 4.6 | 4.7 | 5.1 | 6.8 | | M2 | ≈ | | 2.4 | 2.8 | 4 | 4.2 | 4.4 | 5 | 6.3 | | Thread Specification | ST2.2 | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | ST5.5 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | P | Thread Pitch | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | | a | Max | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | | dk | Max=Nominal | 4.3 | 5.5 | 6.8 | 7.5 | 8.1 | 9.5 | 10.8 | | Min | 4 | 5.2 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | | | f | ≈ | | | | | | | | | k | ≈ | 1.3 | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | | y | Type C | 2 | 2.6 | 3.2 | 3.5 | 3.7 | 4.3 | 5 | | Type F | 1.6 | 2.1 | 2.5 | 2.7 | 2.8 | 3.2 | 3.6 | | | Slot Number | 1 | 1 | 2 | 2 | 2 | 2 | 3 | | | M1 | ≈ | 2.5 | 3 | 4.2 | 4.6 | 4.7 | 5.1 | 6.8 | | M2 | ≈ | 2.4 | 2.8 | 4 | 4.2 | 4.4 | 5 | 6.3 | ## Description High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet is part of our self-tapping & thread-forming screws range (Screws). ### Key details - **Standard:** GB / DIN / ISO - **Material:** Carbon Steel, Stainless Steel - **Size:** Customizable - **Head Style:** Round - **Groove:** Cross / Torx / Square - **Connection:** Common Bolt - **Application:** Decoration, Industry, Equipment - **Surface Finishing:** Polishing Available configurations include surface finishing, customized, standard, size and head style. 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 High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet? 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. ### What are the main specifications of High Load-Bearing Capacity Self-Tapping Custom Countersunk Head Screw for Control Cabinet? Standard: GB / DIN / ISO; Material: Carbon Steel, Stainless Steel; Size: Customizable; Head Style: Round; Groove: Cross / Torx / Square; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include surface finishing, customized, standard, size and head style. 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/) [![OEM Factory Wholesales Stainless Steel Carbon Steel Self-Tapping Screws Customized Black Long Screw Cross Flat Head Screws](https://img.engineeringhardware.com/OEM-Factory-Wholesales-Stainless-Steel-Carbon-Steel-Self-Tapping-Screws-Customized-Black-Long-Screw-Cross-Flat-Head-Screws.webp)](https://engineeringhardware.com/product/oem-factory-wholesales-stainless-steel-carbon-steel-self-tapping-screws-customized/) Self-Tapping & Thread-Forming Screws ### [OEM Factory Wholesales Stainless Steel Carbon Steel Self-Tapping Screws Customized Black Long Screw Cross Flat Head Screws](https://engineeringhardware.com/product/oem-factory-wholesales-stainless-steel-carbon-steel-self-tapping-screws-customized/) Hexagon Head · DIN, GB, JIS **US$0.024 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