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Nuts › Nylon-Insert & All-Metal Lock Nuts

Automotive Grade Hex Flange Nut Serrated Lock Nut

Updated 2026-11-04 · Markdown version

Model no. Flange nut

US$0.241,000–4,999 pieces

US$0.135,000–9,999 pieces

US$0.0610,000–49,999 pieces

US$0.01250,000+ pieces

MOQ 1,000 pieces · Final price confirmed in your quote

Head Style: Hexagonal
Standard: DIN, ANSI
Grade: 4.8/ 6.8/ 8.8/ 10.9/ 12.9
Package Size: 30.00cm * 20.00cm * 10.00cm
Material: Carbon Steel, Stainless Steel, Titanium

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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

Model NO.	Flange nut
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI
Grade	4.8/ 6.8/ 8.8/ 10.9/ 12.9
MOQ	1000PCS
Quality Control	100% QC Test
Delivery Time	10-15 Days
Sample	Sample Avaliable
Experience	for 20 Years
Transport Package	Bulk in Small Box, Then in Cartons (<=25kg )+ 36c
Specification	M3-M56
Origin	China
HS Code	7318159001
Production Capacity	10000000PCS/Month
Package Size	30.00cm * 20.00cm * 10.00cm
Package Gross Weight	25.000kg
Lead Time	10 days (1 - 1000 Pieces) To be negotiated ( > 1000 Pieces)
Customization	Available
Material	Carbon Steel, Stainless Steel, Titanium
Type	Hexagon Head With Flange
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Nylon-Insert & All-Metal Lock Nuts

Technical parameters

Material	1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS4202.Steel:C45(K1045), C46(K1046),C203.Carbon Steel: 1010,1035,1045
Grade	SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc.
Finish	Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc.
Connection	Common Nut
Standard	ISO, DIN, ANSI, JIS, BS and Non-standard
Sample Service	Samples are all in free.
Certificate	ISO9001,CE, SGS, BV
Packing	Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Payment terms	FOB, CIF, CFR, L/C, or others.
Delivery method	by sea, by air or by express service
Application	Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc.

Description

Automotive Grade Hex Flange Nut Serrated Lock Nut is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Hexagon Head With Flange
Standard: DIN, ANSI
Material: Carbon Steel, Stainless Steel, Titanium
Grade: 4.8/ 6.8/ 8.8/ 10.9/ 12.9
Head Style: Hexagonal
Connection: Common Bolt
Quality Control: 100% QC Test
Experience: for 20 Years

Available configurations include head style, standard, grade, package size and material. 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$0.012 – 0.24 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 Automotive Grade Hex Flange Nut Serrated Lock Nut?

The listed minimum order is 1,000 pieces, at US$0.012 – 0.24 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$0.24 for 1,000–4,999 pieces; US$0.13 for 5,000–9,999 pieces; US$0.06 for 10,000–49,999 pieces; US$0.012 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Automotive Grade Hex Flange Nut Serrated Lock Nut?

Type: Hexagon Head With Flange; Standard: DIN, ANSI; Material: Carbon Steel, Stainless Steel, Titanium; Grade: 4.8/ 6.8/ 8.8/ 10.9/ 12.9; 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 head style, standard, grade, package size and 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 nylon-insert & all-metal lock nuts are available?

The Nylon-Insert & All-Metal Lock Nuts category lists 2,493 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-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

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US$0.012 – 0.24MOQ 1,000 piecesGet a quote WA