Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

Nuts › Nylon-Insert & All-Metal Lock Nuts

Nylon Insert Lock Nut DIN 985 Hex Thin Self-Locking Nut M4-M20

Updated 2026-11-04 · Markdown version

Model no. M4-M20

US$0.145,000–9,999 pieces

US$0.1210,000+ pieces

MOQ 5,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN
Grade: 4.8/8.8/10

Get a quote WhatsApp

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
Model NO.	M4-M20
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN
Grade	4.8/8.8/10
More Other Products	Contact Customer Service
Transport Package	Carton Packaging, Can Be Customized as Per Custome
Specification	M4-M20
Origin	Hebei, China
HS Code	731816
Package Gross Weight	20.000kg
Category	Nylon-Insert & All-Metal Lock Nuts

Description

Nylon Insert Lock Nut DIN 985 Hex Thin Self-Locking Nut M4-M20 is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: DIN
Material: Carbon Steel
Grade: 4.8/8.8/10
Head Style: Hexagonal
Connection: Common Bolt
More Other Products: Contact Customer Service

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 5,000 pieces at US$0.12 – 0.14 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 Nylon Insert Lock Nut DIN 985 Hex Thin Self-Locking Nut M4-M20?

The listed minimum order is 5,000 pieces, at US$0.12 – 0.14 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$0.14 for 5,000–9,999 pieces; US$0.12 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Nylon Insert Lock Nut DIN 985 Hex Thin Self-Locking Nut M4-M20?

Type: Hexagon Head; Standard: DIN; Material: Carbon Steel; Grade: 4.8/8.8/10; 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 and grade. 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$0.12 – 0.14MOQ 5,000 piecesGet a quote WA