--- title: "Er11A Type Clamping Nuts for Er Collet Tool Holder" description: "Er11A Type Clamping Nuts for Er Collet Tool Holder — Hex & Other Standard Nuts. Material: Stainless Steel, Standard: ISO. MOQ 1 piece, US$2.16 – 3.60." url: https://engineeringhardware.com/product/er11a-type-clamping-nuts-for-er-collet-tool-holder/ source: Engineering Hardware & Fasteners --- # Er11A Type Clamping Nuts for Er Collet Tool Holder [![Er11A Type Clamping Nuts for Er Collet Tool Holder](https://img.engineeringhardware.com/Er11A-Type-Clamping-Nuts-for-Er-Collet-Tool-Holder.webp)](https://img.engineeringhardware.com/Er11A-Type-Clamping-Nuts-for-Er-Collet-Tool-Holder.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/er11a-type-clamping-nuts-for-er-collet-tool-holder.md) Model no. **ER11-A clamping nuts** US$2.16 – 3.60 / piece MOQ 1 piece · Final price confirmed in your quote - **Customized:** Non-Customized - **Material:** Stainless Steel - **Model Number:** Er11/Er16/Er20/Er25/Er32 - **Standard:** ISO - **Surface Treatment:** Blackening - **Color:** Black - **Size:** Normal Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Er11A%20Type%20Clamping%20Nuts%20for%20Er%20Collet%20Tool%20Holder%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fer11a-type-clamping-nuts-for-er-collet-tool-holder%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. | ER11-A clamping nuts | | --- | --- | | Customized | Non-Customized | | Type | Cutting Tool | | Material | Stainless Steel | | Certification | ISO 9001:2000, CE | | Model Number | Er11/Er16/Er20/Er25/Er32 | | Standard | ISO | | Surface Treatment | Blackening | | Nut | a/M/Um Collet Nut | | Color | Black | | Transport Package | Carton Box | | Specification | ER11 clamping nuts | | Origin | Shandong, China (Mainland) | | Production Capacity | 1, 000, 000 Pieces/Year | | Customization | Available | | Logo Printing | Without Logo Printing | | Size | Normal | | Inspection | 100% | | Service | Offer excellent service | | Faith | Credit is the basis, Quality is the first. | | Quick Respond | Your inquiry can be replied in 24 hours. | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Order No. | Type | D(mm) | L(mm) | M | Wt(kg) | | --- | --- | --- | --- | --- | --- | | ER11-A | A | 19 | 11.3 | M14×0.75 | 0.005 | | ER16-A | A | 28 | 17.5 | M22×1.5 | 0.01 | | ER20-A | A | 34 | 19 | M25×1.5 | 0.05 | | ER25-B | B | 42 | 20 | M32×1.5 | 0.14 | | ER32-B | B | 50 | 22.5 | M40×1.5 | 0.20 | | ER40-B | B | 63 | 25.5 | M50×1.5 | 0.30 | | ER50-B | B | 78 | 35.5 | M64×2 | 0.50 | | ER8-M | M | 12 | 12 | M10×0.75 | 0.005 | | ER11-M | M | 16 | 12 | M13×0.75 | 0.01 | | ER16-M | M | 22 | 18 | M19×1 | 0.05 | | ER20-M | M | 28 | 19 | M24×1 | 0.05 | | ER25-M | M | 35 | 20 | M30×1 | 0.08 | | ER11-T1 | T1 | 19 | 11.3 | M14×0.75 | 0.005 | | ER16-T1 | T1 | 28 | 17.5 | M22×1.5 | 0.01 | | ER20-T1 | T1 | 34 | 19 | M25×1.5 | 0.05 | | ER25-T2 | T2 | 42 | 20 | M32×1.5 | 0.14 | | ER32-T2 | T2 | 50 | 22.5 | M40×1.5 | 0.20 | | ER40-T2 | T2 | 63 | 25.5 | M50×1.5 | 0.30 | | ER50-T2 | T2 | 78 | 35.5 | M64×2 | 0.50 | ## Description Er11A Type Clamping Nuts for Er Collet Tool Holder is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** Cutting Tool - **Standard:** ISO - **Material:** Stainless Steel - **Size:** Normal - **Surface Treatment:** Blackening - **Certification:** ISO 9001:2000, CE - **Model Number:** Er11/Er16/Er20/Er25/Er32 - **Nut:** a/M/Um Collet Nut Available configurations include customized, material, model number, standard and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$2.16 – 3.60 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 Er11A Type Clamping Nuts for Er Collet Tool Holder? The listed minimum order is 1 piece, at US$2.16 – 3.60 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 Er11A Type Clamping Nuts for Er Collet Tool Holder? Type: Cutting Tool; Standard: ISO; Material: Stainless Steel; Size: Normal; Surface Treatment: Blackening; Certification: ISO 9001:2000, CE. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include customized, material, model number, standard and surface treatment. 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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Hex & Other Standard Nuts →](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) [![Customized 304 Stainless Steel Flange Nylon Anti-Loosening Self-Locking Nuts Are Used for Fasteners](https://img.engineeringhardware.com/Customized-304-Stainless-Steel-Flange-Nylon-Anti-Loosening-Self-Locking-Nuts-Are-Used-for-Fasteners.webp)](https://engineeringhardware.com/product/customized-304-stainless-steel-flange-nylon-anti-loosening-self-locking-nuts-are/) Hex & Other Standard Nuts ### [Customized 304 Stainless Steel Flange Nylon Anti-Loosening Self-Locking Nuts Are Used for Fasteners](https://engineeringhardware.com/product/customized-304-stainless-steel-flange-nylon-anti-loosening-self-locking-nuts-are/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012 – 1.20**MOQ 1 piece [![Imperial Metric Flare Nut Brass 1/2″Bsp 20flare Nut Brass Heat 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