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Nuts › Nylon-Insert & All-Metal Lock Nuts

Zinc Plated K-Lock Nut with External Tooth Washer

Updated 2026-11-04 · Markdown version

Model no. M3-M10, 1/8\"-1/2\"

US$0.0963,000–9,999 pieces

US$0.0610,000–49,999 pieces

US$0.03650,000–99,999 pieces

US$0.024100,000+ pieces

MOQ 3,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS
Grade: 6.8
Surface Treatment: Passivated, Plain, Zinc Plated, Anodizing, HDG

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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	Carbon Steel
Type	Hexagon Head
Model NO.	M3-M10, 1/8\"-1/2\"
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS
Grade	6.8
Lead Time	Around 25 Days
Surface Treatment	Passivated, Plain, Zinc Plated, Anodizing, HDG
Suitable for	Industry, Construction, Railway
Payment Term	Could Be Negotiated
Transport Package	25kg/Carton, 36 Cartons/Pallet.
Specification	M6-M12
Origin	China
HS Code	7318160000
Production Capacity	5000 Tons Hex Jam Nuts Per Year
Category	Nylon-Insert & All-Metal Lock Nuts

Technical parameters

Item	Carbon steel & Stainless steel hex toothed K-lock kep nut
Standard	DIN,JIS,GB or as customer's requirment
Grade	grade4,grade 8
Dia	M3-M8,4#-5/16"
Material	stainless steel304,316,410,carbon steel35#, 45#, alloy steel, brass...
Surface treatment	HDG, PTFE coated, plain, black, galvanized, yellow zinc plated, dacromet...
Packaging Details	bulk packing in cartons, then put on pallets, or as per your requests.
Price terms	FOB, CIF, CFR, EXW, and others.
Payment terms	T/T, L/C, western union, paypal, etc.
Delivery method	by sea, by air or by express service

Description

Zinc Plated K-Lock Nut with External Tooth Washer is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS
Material: Carbon Steel
Grade: 6.8
Head Style: Hexagonal
Surface Treatment: Passivated, Plain, Zinc Plated, Anodizing, HDG
Connection: Common Bolt
Suitable for: Industry, Construction, Railway

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 3,000 pieces at US$0.024 – 0.096 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 Zinc Plated K-Lock Nut with External Tooth Washer?

The listed minimum order is 3,000 pieces, at US$0.024 – 0.096 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$0.096 for 3,000–9,999 pieces; US$0.06 for 10,000–49,999 pieces; US$0.036 for 50,000–99,999 pieces; US$0.024 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Zinc Plated K-Lock Nut with External Tooth Washer?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS; Material: Carbon Steel; Grade: 6.8; Head Style: Hexagonal; Surface Treatment: Passivated, Plain, Zinc Plated, Anodizing, HDG. 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 surface treatment. 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 →

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US$0.024 – 0.096MOQ 3,000 piecesGet a quote WA