--- title: "M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut" description: "M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut — Heat-Set, Knurled & Molded-In Inserts." url: https://engineeringhardware.com/product/m5-round-knurled-thumb-nut-brass-knurled-threaded-inserts-female-insert-locking-nut/ source: Engineering Hardware & Fasteners --- # M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut [![M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut](https://img.engineeringhardware.com/M5-Round-Knurled-Thumb-Nut-Brass-Knurled-Threaded-Inserts-Female-Insert-Locking-Nut.webp)](https://img.engineeringhardware.com/M5-Round-Knurled-Thumb-Nut-Brass-Knurled-Threaded-Inserts-Female-Insert-Locking-Nut.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Inserts & Clinch Fasteners › Heat-Set, Knurled & Molded-In Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/m5-round-knurled-thumb-nut-brass-knurled-threaded-inserts-female-insert-locking-nut.md) Model no. **nut** | **US$0.084**2,000–29,999 pieces | **US$0.048**30,000–59,999 pieces | **US$0.024**60,000+ pieces | | --- | --- | --- | MOQ 2,000 pieces · Final price confirmed in your quote - **Material:** Brass - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW, Nonstandard - **Grade:** 12.9 - **Surface Finish:** Zinc, Nickel, Black Oxide, Dacromet, Custom - **Size:** M2-M16 - **Length:** 10-180mm (3/8- 7) - **Thread Type:** Metric, Unc, Unf, Coarse, Fine, Custom Thread Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M5%20Round%20Knurled%20Thumb%20Nut%20Brass%20Knurled%20Threaded%20Inserts%20Female%20Insert%20Locking%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm5-round-knurled-thumb-nut-brass-knurled-threaded-inserts-female-insert-locking-nut%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 | Brass | | Type | Countersunk Head | | Model NO. | nut | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS, GOST, BSW, Nonstandard | | Grade | 12.9 | | Surface Finish | Zinc, Nickel, Black Oxide, Dacromet, Custom | | Size | M2-M16 | | MOQ | 20000 PCS | | Length | 10-180mm (3/8- 7) | | Thread Type | Metric, Unc, Unf, Coarse, Fine, Custom Thread | | Packing | Plastic Bag, Carton, Pallet, Custom Packing | | Inspection | Dimension, Hardness, Torque, Tensile, Salt Spray | | Certification | ISO9001, ISO14001, IATF16949 | | Nut Type | Hex, Flange, Lock, Knurled, Insert, Custom | | Manufacturing Process | Cold Heading, CNC Machining, Turning, Stamping | | Custom by | Drawing, Sample, OEM, ODM | | Advantage | OEM ODM Customized Service Provided | | Tolerance | Custom Tolerance | | Transport Package | Cartons+Plastic Bags | | Specification | M2-M16 | | Origin | China | | HS Code | 6307900090 | | Production Capacity | 1000000pieces/Day | | Package Size | 28.50cm * 20.00cm * 12.00cm | | Package Gross Weight | 5.000kg | | Category | [Heat-Set, Knurled & Molded-In Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) | ## Technical parameters | Product name | nut | | --- | --- | | material | Carbon steel, stainless steel, brass, etc | | Surface treatment | Galvanized or upon request | | specification | M1-M16 | | Slot type | Square nuts, round nuts, hex nuts, hex flange nuts, pressure rivet nuts, etc. (customized on demand) | | certificate | ISO14001/ISO9001/IATF16949 | ## Description M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut is part of our heat-set, knurled & molded-in inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Countersunk Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW, Nonstandard - **Material:** Brass - **Grade:** 12.9 - **Size:** M2-M16 - **Length:** 10-180mm (3/8- 7) - **Head Style:** Round - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and surface finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 2,000 pieces at US$0.024 – 0.084 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 M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut? The listed minimum order is 2,000 pieces, at US$0.024 – 0.084 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$0.084 for 2,000–29,999 pieces; US$0.048 for 30,000–59,999 pieces; US$0.024 for 60,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of M5 Round Knurled Thumb Nut Brass Knurled Threaded Inserts Female Insert Locking Nut? Type: Countersunk Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW, Nonstandard; Material: Brass; Grade: 12.9; Size: M2-M16; Length: 10-180mm (3/8- 7). 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 surface 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 heat-set, knurled & molded-in inserts are available? The Heat-Set, Knurled & Molded-In Inserts category lists 395 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Heat-Set, Knurled & Molded-In Inserts →](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) [![Custom Brass Insert CNC Nuts Blind 8mm Knurled Nut M3 M4 M6 M8 M10 42mm for Electric Devices](https://img.engineeringhardware.com/Custom-Brass-Insert-CNC-Nuts-Blind-8mm-Knurled-Nut-M3-M4-M6-M8-M10-42mm-for-Electric-Devices.webp)](https://engineeringhardware.com/product/custom-brass-insert-cnc-nuts-blind-8mm-knurled-nut-m3-m4-m6-m8-m10-42mm-for-electric/) Heat-Set, Knurled & Molded-In Inserts ### [Custom Brass Insert CNC Nuts Blind 8mm Knurled Nut M3 M4 M6 M8 M10 42mm for Electric Devices](https://engineeringhardware.com/product/custom-brass-insert-cnc-nuts-blind-8mm-knurled-nut-m3-m4-m6-m8-m10-42mm-for-electric/) Washer & Nuts · Steel/Brass/Copper **US$0.024**MOQ 5,000 pieces [![High-Performance Knurled 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