--- title: "M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Threaded Rod" description: "M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Thre… — Thread Repair & Solid Threaded Inserts." url: https://engineeringhardware.com/product/m3-m56-inserts-type-studs-metric-thread-solid-brass-fully-thread-bar-zinc-din975-b7/ source: Engineering Hardware & Fasteners --- # M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Threaded Rod [![M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Threaded Rod](https://img.engineeringhardware.com/M3-M56-Inserts-Type-Studs-Metric-Thread-Solid-Brass-Fully-Thread-Bar-Zinc-DIN975-B7-Threaded-Rod.webp)](https://img.engineeringhardware.com/M3-M56-Inserts-Type-Studs-Metric-Thread-Solid-Brass-Fully-Thread-Bar-Zinc-DIN975-B7-Threaded-Rod.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Inserts & Clinch Fasteners › Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/m3-m56-inserts-type-studs-metric-thread-solid-brass-fully-thread-bar-zinc-din975-b7.md) | **US$0.36**10,000–49,999 pieces | **US$0.11**50,000–99,999 pieces | **US$0.06**100,000+ pieces | | --- | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Grade:** 4.8 / 6.8 / 8.8 / 10.9 / A2-70 - **Finish:** Black/Yzp/Bzp/HDG/Dacromet/Plain - **Head Mark:** Customized - **Thread Length:** Full Thread / Half Thread / Custom - **Size:** M3-M100 - **Customized:** Yes Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M3-M56%20Inserts%20Type%20Studs%20Metric%20Thread%20Solid%20Brass%20Fully%20Thread%20Bar%20Zinc%20DIN975%20B7%20Threaded%20Rod%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm3-m56-inserts-type-studs-metric-thread-solid-brass-fully-thread-bar-zinc-din975-b7%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 | Round | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Grade | 4.8 / 6.8 / 8.8 / 10.9 / A2-70 | | Application | Machinery, Chemical Industry, Environmental, Building, Machinery / Flange Connection / Automotive / Struc | | Finish | Black/Yzp/Bzp/HDG/Dacromet/Plain | | Delivery | 5-10 Days in Stock, 10-30 Days Not in Stock | | Head Mark | Customized | | Thread Length | Full Thread / Half Thread / Custom | | Size | M3-M100 | | Customized | Yes | | Thread Type | Metric / Unc / Unf / Bsw / Custom | | Length | 20mm-300mm/Custom Available | | Feature | High Strength / Corrosion Resistant / Anti-Looseni | | Transport Package | Plastic Bags+Cartons+Pallets | | Specification | as Request | | Origin | Hebei, China | | HS Code | 731815 | | Production Capacity | 50 Million Tons/Month | | Package Size | 24.40cm * 12.00cm * 12.00cm | | Package Gross Weight | 30.000kg | | Customization | Available | | Material | Carbon Steel, Stainless Steel, Alloy Steel | | Type | Round Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Pressure Vessels & Piping | Bolt flanged joints in boilers, reactors, or high-pressure systems (resists thermal expansion and leakage). | | Heat Exchangers & Machinery | Secure tube sheets or covers in industrial equipment, ensuring uniform clamping force across surfaces. | | Aerospace & Automotive | Join engine components or chassis parts that require repeated assembly/disassembly (threads prevent galling). | | Electrical & Marine | Mount transformers or hull fixtures in corrosive environments (stainless variants resist saltwater/chemical damage). | | Adjustable Frames | Assemble modular structures, conveyor systems, or scaffolding that demands fine-tuned positioning. | | Longshi Advantage | 8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans. | | Stockout rate | 10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely). | | Category | [Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) | ## Technical parameters | Thread Spec-d | M5 | M6 | M8 | M10 | M12 | M14 | | | --- | --- | --- | --- | --- | --- | --- | --- | | P | thread pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | | U | Max value (=2P) | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | | Thread Spec-d | M30 | M36 | M42 | M48 | M56 | M64 | | | P | thread pitch | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | | U | Max value (=2P) | 7 | 8 | 9 | 10 | 11 | 12 | ## Description M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Threaded Rod is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Material:** Carbon Steel, Stainless Steel, Alloy Steel - **Grade:** 4.8 / 6.8 / 8.8 / 10.9 / A2-70 - **Size:** M3-M100 - **Length:** 20mm-300mm/Custom Available - **Head Style:** Round - **Finish:** Black/Yzp/Bzp/HDG/Dacromet/Plain Available configurations include head style, standard, grade, finish and head mark. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.06 – 0.36 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 M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Threaded Rod? The listed minimum order is 10,000 pieces, at US$0.06 – 0.36 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$0.36 for 10,000–49,999 pieces; US$0.11 for 50,000–99,999 pieces; US$0.06 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 M3-M56 Inserts Type Studs Metric Thread Solid Brass Fully Thread Bar Zinc DIN975 B7 Threaded Rod? Type: Round Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel, Stainless Steel, Alloy Steel; Grade: 4.8 / 6.8 / 8.8 / 10.9 / A2-70; Size: M3-M100; Length: 20mm-300mm/Custom Available. 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, finish and head mark. 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 thread repair & solid threaded inserts are available? The Thread Repair & Solid Threaded Inserts category lists 961 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) 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 Thread Repair & Solid Threaded Inserts →](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) [![Stainless steel thread Ss316 blind hole M3 M4 M5 M6 M8 Sus 316l threaded hexagon insert nut for seawater](https://img.engineeringhardware.com/Stainless-steel-thread-Ss316-blind-hole-M3-M4-M5-M6-M8-Sus-316l-threaded-hexagon-insert-nut-for-seawater.webp)](https://engineeringhardware.com/product/stainless-steel-thread-ss316-blind-hole-m3-m4-m5-m6-m8-sus-316l-threaded-hexagon/) Thread Repair & Solid Threaded Inserts ### [Stainless steel thread Ss316 blind hole M3 M4 M5 M6 M8 Sus 316l threaded hexagon insert nut for seawater](https://engineeringhardware.com/product/stainless-steel-thread-ss316-blind-hole-m3-m4-m5-m6-m8-sus-316l-threaded-hexagon/) DIN, ASTM, GB · Metal **US$0.18 – 7.18**MOQ 1 piece [![Steel 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quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M3-M56%20Inserts%20Type%20Studs%20Metric%20Thread%20Solid%20Brass%20Fully%20Thread%20Bar%20Zinc%20DIN975%20B7%20Threaded%20Rod%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm3-m56-inserts-type-studs-metric-thread-solid-brass-fully-thread-bar-zinc-din975-b7%2F)