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Nuts › Nylon-Insert & All-Metal Lock Nuts

ANSI Excellent Anti-Rust Performance Hex Head Lock Nut

Updated 2026-11-04 · Markdown version

Model no. M3-M48

US$0.03610,000–49,999 pieces

US$0.01250,000–999,999 pieces

US$0.0061,000,000+ pieces

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

Head Style: Hexagonal
Standard: DIN, ANSI, JIS, BSW
Grade: A2,A4
Surface: Plain
Size: M3-M48
Material: Stainless Steel

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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.	M3-M48
Connection	Nut
Head Style	Hexagonal
Standard	DIN, ANSI, JIS, BSW
Grade	A2,A4
Surface	Plain
Delivery	7~25days
Name	Hex Flange Nut/Serrated Flange Nut
Size	M3-M48
Payment	T/T or L/C
Transport Package	Carton+Pallet
Specification	M3-M48
Origin	Zhejiang, China
HS Code	7318160000
Production Capacity	80ton/Weeks
Customization	Available
Material	Stainless Steel
Type	Hexagon Head
BOLT	DIN928,DIN933, DIN931, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B 18.2.1ASME/ANSIB18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect
Nut	DIN934,DIN6923,DIN985,ISO4032 hex heavy hex nut, 2H nut,A563/A563M cap nut, nylon nut, ect
Rod	threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect
Screw	hex screw,DIN912; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
washer	flat washer DIN125, spring washer DIN127, lock washer,square washer,spring lock washer, plain washer ect
Category	Nylon-Insert & All-Metal Lock Nuts

Technical parameters

Name	ANSI Excellent Anti-Rust Performance Hex Head Lock Nut
Place of Origin	Jiaxing, Zhengjiang, China
Size	M3-M48 or non-standard as request&design
Finish	Plain, passivation.
Head Type	Hex head
Material	Stainless steel
Grade	A2-70,A4-70,A4-80,
Standard	GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc
Non-standards	OEM is available, according to drawing or samples
Samples	Samples are free.
Package	Bulk in master cartons, then on pallets, or according to customers' requirement.
Payment	T/T ,LC

Description

ANSI Excellent Anti-Rust Performance Hex Head Lock Nut is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, JIS, BSW
Material: Stainless Steel
Grade: A2,A4
Size: M3-M48
Head Style: Hexagonal
Connection: Nut
Surface: Plain

Available configurations include head style, standard, grade, surface and size. 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$0.006 – 0.036 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 ANSI Excellent Anti-Rust Performance Hex Head Lock Nut?

The listed minimum order is 10,000 pieces, at US$0.006 – 0.036 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$0.036 for 10,000–49,999 pieces; US$0.012 for 50,000–999,999 pieces; US$0.006 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of ANSI Excellent Anti-Rust Performance Hex Head Lock Nut?

Type: Hexagon Head; Standard: DIN, ANSI, JIS, BSW; Material: Stainless Steel; Grade: A2,A4; Size: M3-M48; 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 head style, standard, grade, surface and size. 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

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

Request a quote for this product

US$0.006 – 0.036MOQ 10,000 piecesGet a quote WA