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Threaded Inserts & Clinch Fasteners › Heat-Set, Knurled & Molded-In Inserts

Lock Copper Round Thread Knurled Brass Insert Nut

Updated 2026-11-04 · Markdown version

Model no. 12*1.0*15*5.5

US$0.15 – 0.45 / piece

MOQ 10,000 pieces · Final price confirmed in your quote

Material: Brass
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Grade: 4.8
Head Type: Phillips /Slotted /Hex /Round /Torx
Surface Treatment: Customize
Package Size: 23.00cm * 19.00cm * 23.00cm

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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	Round Head
Model NO.	121.015*5.5
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, GOST, BSW
Grade	4.8
Shipping Cost	to Be Negotiated
Samples	to Be Negotiated
Delivery Time	15-30 Days
Head Type	Phillips /Slotted /Hex /Round /Torx
Certification	ISO9001, SGS
Surface Treatment	Customize
Class/Gread	3.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9
Transport Package	Plastic Bag/Boxs /Cartons/Pallets/Customize
Specification	121.015*5.5
Origin	China
Package Size	23.00cm * 19.00cm * 23.00cm
Package Gross Weight	25.000kg
Category	Heat-Set, Knurled & Molded-In Inserts

Technical parameters

Item	Lock Copper Round Thread Knurled Brass insert Nut
Head Type	Round
Drive Style	Hollow
Material	Brass
Finish	NIL
Available Raw Material	Carbon steel
Alloy steel
Stainless steel
Brass, Bronze, Aluminum
Standard	DIN,ANSI,ASTM,JIS,GB,ISO,NON-STANDARD
Grade	3.6/4.8/5.6 /6.8/8.8/9.8/10.9/12.9
Surface finishing	PlainGalvanized (various of color) ,Zinc-Plated (various of color)Nickel- Plated, Chrome-Plated, Oxide BlackPassivation, Dacromet, Nylok Precote,Baking Paint/Stoving Varnish,Electrophoresis Black
Heat Treatment	Carburization or tempering or high-frequency quenching
Packing	Plastic Bag/Boxes /Cartons/Pallets/Customize, or customer request

Description

Lock Copper Round Thread Knurled Brass Insert Nut is part of our heat-set, knurled & molded-in inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Round Head
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Material: Brass
Grade: 4.8
Head Type: Phillips /Slotted /Hex /Round /Torx
Head Style: Hexagonal
Surface Treatment: Customize
Connection: Common Bolt

Available configurations include material, head style, standard, grade and head type. 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$0.15 – 0.45 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 Lock Copper Round Thread Knurled Brass Insert Nut?

The listed minimum order is 10,000 pieces, at US$0.15 – 0.45 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 Lock Copper Round Thread Knurled Brass Insert Nut?

Type: Round Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Brass; Grade: 4.8; Head Type: Phillips /Slotted /Hex /Round /Torx; Head Style: Hexagonal. 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 head type. 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/

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

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.15 – 0.45MOQ 10,000 piecesGet a quote WA