--- title: "Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw" description: "Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw — Nylon, Plastic & Drywall Anchors. MOQ 1 ton, US$900.00 – 2,520." url: https://engineeringhardware.com/product/multi-fix-door-window-frame-fixing-masonryundercut-countersunk-flat-head-concrete/ source: Engineering Hardware & Fasteners --- # Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw [![Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw](https://img.engineeringhardware.com/Multi-Fix-Door-Window-Frame-Fixing-Masonryundercut-Countersunk-Flat-Head-Concrete-Screw.webp)](https://img.engineeringhardware.com/Multi-Fix-Door-Window-Frame-Fixing-Masonryundercut-Countersunk-Flat-Head-Concrete-Screw.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Anchors & Construction Fixings › Nylon, Plastic & Drywall Anchors](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/nylon-plastic-drywall-anchors/) Updated 2026-11-03 · [Markdown version](https://engineeringhardware.com/product/multi-fix-door-window-frame-fixing-masonryundercut-countersunk-flat-head-concrete.md) Model no. **M7.5** US$900.00 – 2,520 / ton MOQ 1 ton · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Bugel Head, Trumpet Head - **Standard:** DIN, GB, GOST, ISO 15481 - **Grade:** 5.6 - **Thickness Size:** M7.5 - **Thread:** single thread, high low thread - **Head type:** hexagon head, Pan head, CSK head, truss head - **Finish:** yellow or white zinc plated, ruspert Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Multi%20Fix%20Door%20Window%20Frame%20Fixing%20Masonryundercut%20Countersunk%20Flat%20Head%20Concrete%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fmulti-fix-door-window-frame-fixing-masonryundercut-countersunk-flat-head-concrete%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 | Bugel Head, Trumpet Head | | Model NO. | M7.5 | | Groove | Cross | | Connection | Common Bolt | | Head Style | Bugel Head, Trumpet Head | | Standard | DIN, GB, GOST, ISO 15481 | | Grade | 5.6 | | Others | Manufacturing Factory, Can Be Customized According | | Others2 | Can Visit The Production Workshop | | Transport Package | Box, Carton, Bag or to Your Order | | Specification | 13mm---254mm | | Origin | Tianjin, China | | HS Code | 7317000000 | | Production Capacity | 300tons/Month | | Products Name | Concrete screw masonry screw | | Thickness Size | M7.5 | | Lenght | 12MM-150MM | | Thread | single thread, high low thread | | Head type | hexagon head, Pan head, CSK head, truss head | | Driv tyep | Cross Drive, slotted drive Trox drive | | Finish | yellow or white zinc plated, ruspert | | Quality | High-quality raw material, strict quality control | | Application | Used for concrete and masonry | | Minimum Order Quantity | 1 tons each size | | Shipment Port | Tianjin, China | | Delivery Time | 20-30days,According to the volume to determine the delivery time. | | Packing | Bulk package in bag, Bulk package in carton, or color print box and carton as the customized | | Step1 | Just tell us the size/model and the quantity, so that we quote you first | | Step2 | Confirm price and order details | | Step3 | We will arrange production for you after receiving your deposit | | Add | Wangwenzhuang Industrial Area ,Xiqing District, Tianjin, China | | Category | [Nylon, Plastic & Drywall Anchors](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/nylon-plastic-drywall-anchors/) | ## Technical parameters | Products Name: | Concrete screw masonry screw | | --- | --- | | Thickness Size: | M7.5 | | Lenght: | 12MM-150MM | | Material: | carbon steel C1022A, | | Thread : | single thread, high low thread | | Head type: | hexagon head, Pan head, CSK head, truss head | | Driv tyep: | Cross Drive, slotted drive Trox drive | | Finish: | yellow or white zinc plated, ruspert | | Quality: | High-quality raw material, strict quality control | | Application: | Used for concrete and masonry | | Minimum Order Quantity: | 1 tons each size | | Shipment Port: | Tianjin, China | | Delivery Time: | 20-30days,According to the volume to determine the delivery time. | | Packing: | Bulk package in bag, Bulk package in carton, or color print box and carton as the customized | ## Description Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw is part of our nylon, plastic & drywall anchors range (Anchors & Construction Fixings). ### Key details - **Type:** Bugel Head, Trumpet Head - **Standard:** DIN, GB, GOST, ISO 15481 - **Material:** Carbon Steel - **Grade:** 5.6 - **Thread:** single thread, high low thread - **Head type:** hexagon head, Pan head, CSK head, truss head - **Head Style:** Bugel Head, Trumpet Head - **Groove:** Cross Available configurations include material, head style, standard, grade and thickness size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 ton at US$900.00 – 2,520 per ton. 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 Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw? The listed minimum order is 1 ton, at US$900.00 – 2,520 per ton. 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 Multi Fix Door Window Frame Fixing Masonryundercut Countersunk Flat Head Concrete Screw? Type: Bugel Head, Trumpet Head; Standard: DIN, GB, GOST, ISO 15481; Material: Carbon Steel; Grade: 5.6; Thread: single thread, high low thread; Head type: hexagon head, Pan head, CSK head, truss head. 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 thickness 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 nylon, plastic & drywall anchors are available? The Nylon, Plastic & Drywall Anchors category lists 871 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/anchors-construction-fixings/nylon-plastic-drywall-anchors/](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/nylon-plastic-drywall-anchors/) 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 Nylon, Plastic & Drywall Anchors →](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/nylon-plastic-drywall-anchors/) [![Factory Custom Plastic Expansion Anchor Wall Plug for Drywall](https://img.engineeringhardware.com/Factory-Custom-Plastic-Expansion-Anchor-Wall-Plug-for-Drywall.webp)](https://engineeringhardware.com/product/factory-custom-plastic-expansion-anchor-wall-plug-for-drywall/) Nylon, Plastic & Drywall Anchors ### [Factory Custom Plastic Expansion Anchor Wall Plug for Drywall](https://engineeringhardware.com/product/factory-custom-plastic-expansion-anchor-wall-plug-for-drywall/) Plug · Customizable **US$0.0002 – 0.0006**MOQ 1,000 pieces [![5X25mm Plastic Expansion Tube Anchor Column Frame Fixings 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