--- title: "High-Temperature Resistan 253m Machine Screw Flat Head Socket Screw" description: "High-Temperature Resistan 253m Machine Screw Flat Head Socket Screw — Countersunk & Flat-Head Machine Screws. MOQ 100 pieces, US$0.096 – 0.13." url: https://engineeringhardware.com/product/high-temperature-resistan-253m-machine-screw-flat-head-socket-screw/ source: Engineering Hardware & Fasteners --- # High-Temperature Resistan 253m Machine Screw Flat Head Socket Screw [![High-Temperature Resistan 253m Machine Screw Flat Head Socket Screw](https://img.engineeringhardware.com/High-Temperature-Resistan-253m-Machine-Screw-Flat-Head-Socket-Screw.webp)](https://img.engineeringhardware.com/High-Temperature-Resistan-253m-Machine-Screw-Flat-Head-Socket-Screw.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/high-temperature-resistan-253m-machine-screw-flat-head-socket-screw.md) | **US$0.13**100–999 pieces | **US$0.096**1,000+ pieces | | --- | --- | MOQ 100 pieces · Final price confirmed in your quote - **Head Style:** Socket - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** All Kinds - **Bolt Material:** No7718 - **Package Size:** 21.00cm * 20.00cm * 17.00cm - **Material:** Martensitic 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-Temperature%20Resistan%20253m%20Machine%20Screw%20Flat%20Head%20Socket%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-temperature-resistan-253m-machine-screw-flat-head-socket-screw%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 | Connection | Common Bolt | | --- | --- | | Head Style | Socket | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | All Kinds | | Certificate | ISO9001 | | Samples | Free Samples | | Delivery Time | 3-15 Days | | MOQ | 100PCS | | Bolt Material | No7718 | | Transport Package | Carton | | Specification | M5-M100 | | Origin | China | | HS Code | 731815 | | Production Capacity | 1000 Tons/Month | | Package Size | 21.00cm * 20.00cm * 17.00cm | | Package Gross Weight | 25.000kg | | Customization | Available | | Material | Martensitic Stainless Steel | | Type | Socket | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Operating Temperature | Can operate continuously at 850~1100ºC, strong oxidation resistance | | Performance Characteristics | Good high-temperature strength, creep resistance, not prone to oxidation and peeling, moderate corrosion resistance | | Applicable Scenarios | Fasteners in high-temperature components such as industrial furnaces, boilers, flues, and heat treatment furnaces | | Common Specifications | Hex bolts, studs, mainly with standard threads M6~M48 | | Metallurgy | Heating furnaces, annealing furnaces, radiant tubes, furnace bottom plate fasteners | | Petrochemical | Cracking furnaces, conversion furnaces, high-temperature heat exchangers, burners | | Power | Boiler, flue, high-temperature pipeline connections | | Industrial Furnaces | Heat treatment furnaces, incinerators, carburizing furnaces | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | Materials | Characteristics | Advantages | | --- | --- | --- | | Carbon Steel | The strength and hardness can be adjusted through the carbon content and heat treatment, and it has certain toughness and processing performance. | Low cost, easy access to raw materials, simple processing technology, suitable for mass production, and can meet general strength requirements. | | Stainless Steel | It has good corrosion resistance and antioxidant properties, can maintain stable chemical and physical properties in various harsh environments, has a bright and beautiful appearance, and is hygienic. | Strong corrosion resistance, can adapt to corrosive medium environments, without the need for additional anti-corrosion treatment, has a long service life. | | Alloy Steel | It has relatively high strength, toughness, wear resistance, heat resistance, and other comprehensive properties. Different alloy ratios can meet diverse mechanical performance requirements, and its performance can be significantly improved after heat treatment. | High strength, capable of withstanding large tensile, compressive, and shear forces, suitable for occasions where complex loads and harsh working conditions need to be endured. | ## Description High-Temperature Resistan 253m Machine Screw Flat Head Socket Screw is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Type:** Socket - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** Martensitic Stainless Steel - **Grade:** All Kinds - **Head Style:** Socket - **Connection:** Common Bolt - **Certificate:** ISO9001 - **Bolt Material:** No7718 Available configurations include head style, standard, grade, bolt 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 100 pieces at US$0.096 – 0.13 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-Temperature Resistan 253m Machine Screw Flat Head Socket Screw? The listed minimum order is 100 pieces, at US$0.096 – 0.13 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$0.13 for 100–999 pieces; US$0.096 for 1,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of High-Temperature Resistan 253m Machine Screw Flat Head Socket Screw? Type: Socket; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Martensitic Stainless Steel; Grade: All Kinds; Head Style: Socket; 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 head style, standard, grade, bolt 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 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/) [![DIN7337 Open End Aluminum Countersunk Head Blind Rivets](https://img.engineeringhardware.com/DIN7337-Open-End-Aluminum-Countersunk-Head-Blind-Rivets.webp)](https://engineeringhardware.com/product/din7337-open-end-aluminum-countersunk-head-blind-rivets/) Countersunk & Flat-Head Machine Screws ### [DIN7337 Open End Aluminum Countersunk Head Blind Rivets](https://engineeringhardware.com/product/din7337-open-end-aluminum-countersunk-head-blind-rivets/) Aluminum · ISO, GS, CE **US$0.012 – 0.036**MOQ 10,000 pieces [![GB/T 14210 Black Phosphate Carbon Steel Sharp Point Coarse Thread Gypsum Board Screw](https://img.engineeringhardware.com/GB-T-14210-Black-Phosphate-Carbon-Steel-Sharp-Point-Coarse-Thread-Gypsum-Board-Screw.webp)](https://engineeringhardware.com/product/gb-t-14210-black-phosphate-carbon-steel-sharp-point-coarse-thread-gypsum-board-screw/) Countersunk & Flat-Head Machine Screws ### [GB/T 14210 Black Phosphate Carbon Steel Sharp Point Coarse Thread Gypsum Board Screw](https://engineeringhardware.com/product/gb-t-14210-black-phosphate-carbon-steel-sharp-point-coarse-thread-gypsum-board-screw/) Countersunk Head · DIN, GB, ANSI, BSW, JIS **US$0.036 – 0.24**MOQ 10,000 pieces [![304 Stainless Steel M4 Countersunk Head Cross Screws Flat Head Metric Measurement System Class 4.8 & 6.8 Passivation Finish](https://img.engineeringhardware.com/304-Stainless-Steel-M4-Countersunk-Head-Cross-Screws-Flat-Head-Metric-Measurement-System-Class-4-8-6-8-Passivation-Finish.webp)](https://engineeringhardware.com/product/304-stainless-steel-m4-countersunk-head-cross-screws-flat-head-metric-measurement/) Countersunk & Flat-Head Machine Screws ### [304 Stainless Steel M4 Countersunk Head Cross Screws Flat Head Metric Measurement System Class 4.8 & 6.8 Passivation Finish](https://engineeringhardware.com/product/304-stainless-steel-m4-countersunk-head-cross-screws-flat-head-metric-measurement/) Pan Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.12**MOQ 1,000 pieces [![Factory OEM Countersunk Fast Grip DIN7337 Blind Rivets](https://img.engineeringhardware.com/Factory-OEM-Countersunk-Fast-Grip-DIN7337-Blind-Rivets.webp)](https://engineeringhardware.com/product/factory-oem-countersunk-fast-grip-din7337-blind-rivets/) Countersunk & Flat-Head Machine Screws ### [Factory OEM Countersunk Fast Grip DIN7337 Blind Rivets](https://engineeringhardware.com/product/factory-oem-countersunk-fast-grip-din7337-blind-rivets/) Connection · International **US$118.80 – 478.80**MOQ 100 kilograms [![DIN6798V 65mn Spring Steel Countersunk Toothed Auto Fastener Spring Lock Washers](https://img.engineeringhardware.com/DIN6798V-65mn-Spring-Steel-Countersunk-Toothed-Auto-Fastener-Spring-Lock-Washers.webp)](https://engineeringhardware.com/product/din6798v-65mn-spring-steel-countersunk-toothed-auto-fastener-spring-lock-washers/) Countersunk & Flat-Head Machine Screws ### [DIN6798V 65mn Spring Steel Countersunk Toothed Auto Fastener Spring Lock Washers](https://engineeringhardware.com/product/din6798v-65mn-spring-steel-countersunk-toothed-auto-fastener-spring-lock-washers/) Flat Gasket · Stainless Steel **US$0.036 – 0.36**MOQ 1,000 pieces [![M4 M6 M8 M10 Slotted Brass Cross Recessed Flat Head Machine Screw DIN965](https://img.engineeringhardware.com/M4-M6-M8-M10-Slotted-Brass-Cross-Recessed-Flat-Head-Machine-Screw-DIN965.webp)](https://engineeringhardware.com/product/m4-m6-m8-m10-slotted-brass-cross-recessed-flat-head-machine-screw-din965/) Countersunk & Flat-Head Machine Screws ### [M4 M6 M8 M10 Slotted Brass Cross Recessed Flat Head Machine Screw DIN965](https://engineeringhardware.com/product/m4-m6-m8-m10-slotted-brass-cross-recessed-flat-head-machine-screw-din965/) Flat Head · DIN, ANSI, BSW **US$0.0122 – 0.10**MOQ 50,000 pieces [![Factory Steel Structural Countersunk Head Hemlock Rivets Blind Rivets](https://img.engineeringhardware.com/Factory-Steel-Structural-Countersunk-Head-Hemlock-Rivets-Blind-Rivets.webp)](https://engineeringhardware.com/product/factory-steel-structural-countersunk-head-hemlock-rivets-blind-rivets/) Countersunk & Flat-Head Machine Screws ### [Factory Steel Structural Countersunk Head Hemlock Rivets Blind Rivets](https://engineeringhardware.com/product/factory-steel-structural-countersunk-head-hemlock-rivets-blind-rivets/) Steel · 6.4 mm **US$0.0252 – 0.036**MOQ 10,000 pieces [![DIN965 Metric Cross Recessed Countersunk Head Machine Screw](https://img.engineeringhardware.com/DIN965-Metric-Cross-Recessed-Countersunk-Head-Machine-Screw.webp)](https://engineeringhardware.com/product/din965-metric-cross-recessed-countersunk-head-machine-screw/) Countersunk & Flat-Head Machine Screws ### [DIN965 Metric Cross Recessed Countersunk Head Machine Screw](https://engineeringhardware.com/product/din965-metric-cross-recessed-countersunk-head-machine-screw/) Countersunk Head · DIN, GB **US$0.012 – 0.12**MOQ 1,000 pieces **US$0.096 – 0.13**MOQ 100 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High-Temperature%20Resistan%20253m%20Machine%20Screw%20Flat%20Head%20Socket%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-temperature-resistan-253m-machine-screw-flat-head-socket-screw%2F)