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

Coupling Diamond Nylock Threaded Knurled Hexagon Insert Stainless Steel Thin Aluminum Spring Rivet Square Wheel Head Flanget Cap Lock Weld Hex 8/8m 8t 8c 8K Nut

Updated 2026-11-04 · Markdown version

US$0.012 – 0.024 / piece

MOQ 50,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Grade: A2 A4
Other Material: Carbon Steel and Brass

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
Type	Hexagon Head
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, GOST, BSW
Grade	A2 A4
Capacity	100tons/Month
Other Material	Carbon Steel and Brass
Used	Machinery, Chemical Industry, Environmental, Build
Transport Package	Pallet
Specification	M3-M39
Origin	China
Production Capacity	100tons/Month
Category	Heat-Set, Knurled & Molded-In Inserts

Technical parameters

Items	Hex Flange Nut/ Hex Nut/Nylon Insert Nut/Rivet Nut/Wing Nut/Spring Nut/Square Nut......
Material	Stainless Steel A2 A4 A8/Carbon Steel/Brass/Alloy Steel
Grade	A2-70 A2-80 A4-70 A4-80 A8; Class 4/5/6/8/10/12;Grade 2/5/8
Standard	DIN;ISO;ASME;GB;BS;IFI;GOST....and customized
Surface	Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG
Package	Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton...
Sample	Available
EU CBAM	Available

Items	U Bolt/Hex Flange Bolt/ Hex bolt/Hammer Bolt/Socket Bolt/Carriage Bolt/Hanger Bolt/Wing Bolt/Eye bolt/Weld bolt/Clinch Bolt/ Thread Bar/Thread Rod
Material	Stainless Steel A2 A4 A8/Carbon Steel/Brass/Alloy Steel
Grade	A2-70 A2-80 A4-70 A4-80 A8; Class 4.6/4.8/5.6/6.8/8.8/10.9/12.9;Grade 2/5/8
Standard	DIN;ISO;ASME;GB;BS;IFI;GOST....and customized
Surface	Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG
Package	Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton...
Sample	Available
EU CBAM	Available

Items	Chipboard Screw/ Wood Scew/ Roofing Screw/Decking Screw/ Facade Screw/Drywall Screw/Set Screw/Drilling Screw/ Euro Screw/ Window Screw/ Bimetal
Material	Stainless Steel C1 A2 A4 /Carbon Steel/Brass/Alloy Steel
Grade	A2-70 A2-80 A4-70 A4-80
Standard	DIN;ISO;ASME;GB;BS;IFI;GOST....and customized
Surface	Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG
Package	Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton...
Sample	Available
EU CBAM	Available

Description

Coupling Diamond Nylock Threaded Knurled Hexagon Insert Stainless Steel Thin Aluminum Spring Rivet Square Wheel Head Flanget Cap Lock Weld Hex 8/8m 8t 8c 8K Nut is part of our heat-set, knurled & molded-in inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Material: Carbon Steel
Grade: A2 A4
Head Style: Hexagonal
Connection: Common Bolt
Capacity: 100tons/Month
Other Material: Carbon Steel and Brass

Available configurations include material, head style, standard, grade and other material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 50,000 pieces at US$0.012 – 0.024 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 Coupling Diamond Nylock Threaded Knurled Hexagon Insert Stainless Steel Thin Aluminum Spring Rivet Square Wheel Head Flanget Cap Lock Weld Hex 8/8m 8t 8c 8K Nut?

The listed minimum order is 50,000 pieces, at US$0.012 – 0.024 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 Coupling Diamond Nylock Threaded Knurled Hexagon Insert Stainless Steel Thin Aluminum Spring Rivet Square Wheel Head Flanget Cap Lock Weld Hex 8/8m 8t 8c 8K Nut?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: A2 A4; Head Style: Hexagonal; Connection: Common Bolt. 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 other material. 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$0.012 – 0.024MOQ 50,000 piecesGet a quote WA