--- title: "Premium Copper Insert Plastic Nut for Tight Spaces" description: "Premium Copper Insert Plastic Nut for Tight Spaces — Hex & Other Standard Nuts. MOQ 1,000 pieces, US$0.12." url: https://engineeringhardware.com/product/premium-copper-insert-plastic-nut-for-tight-spaces/ source: Engineering Hardware & Fasteners --- # Premium Copper Insert Plastic Nut for Tight Spaces [![Premium Copper Insert Plastic Nut for Tight Spaces](https://img.engineeringhardware.com/Premium-Copper-Insert-Plastic-Nut-for-Tight-Spaces.webp)](https://img.engineeringhardware.com/Premium-Copper-Insert-Plastic-Nut-for-Tight-Spaces.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/premium-copper-insert-plastic-nut-for-tight-spaces.md) Model no. **GB DIN CUSTOMIZED JIS, BSW, GOST** US$0.12 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel, Stainless Steel, High Tensile Steel - **Head Style:** Square - **Standard:** DIN, ANSI, GB, JIS, BSW - **Grade:** 4.8 5.6 6.8 8.8 10.9 12.9 - **Finish:** Blue-White Zinc Plated - **Thread:** Unf Unc - **Head Mark:** 8.8 4.8 - **Size:** 10mm(positive) to 10mm (positive), 8mm(positive) to 10mm (positive), 10mm(positive) to 8mm (anti-positive) Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Copper%20Insert%20Plastic%20Nut%20for%20Tight%20Spaces%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-copper-insert-plastic-nut-for-tight-spaces%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, Stainless Steel, High Tensile Steel | | Type | T Head | | Model NO. | GB DIN CUSTOMIZED JIS, BSW, GOST | | Connection | Common Bolt | | Head Style | Square | | Standard | DIN, ANSI, GB, JIS, BSW | | Grade | 4.8 5.6 6.8 8.8 10.9 12.9 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Blue-White Zinc Plated | | Thread | Unf Unc | | Head Mark | 8.8 4.8 | | Service Type | Drawing or Sample Processing | | Service | OEM.ODM | | Transport Package | Cartons, Woven-Bags or Gunny-Bags Then in Wooden/I | | Specification | all size bolt, mainly M3-48 | | Origin | Handan City, China | | HS Code | 7318150000 | | Production Capacity | 10 Tons Per Day | | Quantity | 1pcs | | Size | 10mm(positive) to 10mm (positive), 8mm(positive) to 10mm (positive), 10mm(positive) to 8mm (anti-positive) | | M5-M48, Customize.Length | 20-300mm,1''-12'' customize. | | Applying Field | Fasteners for pumps and valves, Wind turbine fasteners, Industrial equipment,Fasteners for machine industry,etc | | Material Grade | 4140(42CrMo) | | Quality Level | 12.9, 10.9, 8.8, 6.8, 4.8 Grade | | Sizes | M20,M24,M27,M30,M36,M42,M45,M48,M72,M100 | | Bolt-head Shape | Oval head, Square head,Ellipse head; | | Special Features | 1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills. | | Chemical Composition | Composition(%) | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Composition(%) | C | Si | Mn | S | P | Cr | Mo | | --- | --- | --- | --- | --- | --- | --- | --- | | 42CrMo(4140 Grade8.8) | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.30 | ## Description Premium Copper Insert Plastic Nut for Tight Spaces is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** T Head - **Standard:** DIN, ANSI, GB, JIS, BSW - **Material:** Carbon Steel, Stainless Steel, High Tensile Steel - **Grade:** 4.8 5.6 6.8 8.8 10.9 12.9 - **Thread:** Unf Unc - **Head Style:** Square - **Finish:** Blue-White Zinc Plated - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and finish. 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$0.12 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 Premium Copper Insert Plastic Nut for Tight Spaces? The listed minimum order is 1,000 pieces, at US$0.12 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 Premium Copper Insert Plastic Nut for Tight Spaces? Type: T Head; Standard: DIN, ANSI, GB, JIS, BSW; Material: Carbon Steel, Stainless Steel, High Tensile Steel; Grade: 4.8 5.6 6.8 8.8 10.9 12.9; Thread: Unf Unc; Head Style: Square. 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 finish. 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 hex & other standard nuts are available? The Hex & Other Standard Nuts category lists 8,354 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) 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/) ## 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