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Checked before shipping
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Zinc Coating Tri-Groove Security Nut Against Theft

Updated 2026-11-04 · Markdown version

Model no. M12

US$0.078 – 0.46 / piece

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

Material: Carbon Steel
Head Style: Round
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Grade: 5.6
Size: M12
Surface Treatment: Zinc Coating
Packing: Cartons

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	Round Head
Model NO.	M12
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, GB, JIS, GOST, BSW
Grade	5.6
Item	Tri Groove Security Nut
Size	M12
Sample	Yes
Delivery Time	7-10days
Feature	Against Loosen
Application	Outdoor Public Facilities
Surface Treatment	Zinc Coating
Packing	Cartons
Transport Package	Export Cartons +Waterproof Pallets
Specification	35mm26mm20mm
Origin	China
HS Code	7318160000
Production Capacity	50000PCS/Month
Category	Security & Tamper-Resistant Nuts

Technical parameters

Item	Tri-Groove Nut , Tamper Proof Nuts ,Security nut, Anti-theft Nut , Tri-lock nut
Material	carbon steel
Size	M10---M24
Finish	galvanized
Head	cone nut
MOQ	1000 pcs
Lead Time	10-20 Working Days
Sample	Free
Payment	Western Union, T/T
Shipment	By sea or DHL.Fedex etc

Description

Zinc Coating Tri-Groove Security Nut Against Theft is part of our security & tamper-resistant nuts range (Nuts).

Key details

Type: Round Head
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Material: Carbon Steel
Grade: 5.6
Size: M12
Head Style: Round
Surface Treatment: Zinc Coating
Connection: Common Bolt

Available configurations include material, head style, standard, grade and size. 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$0.078 – 0.46 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 Coating Tri-Groove Security Nut Against Theft?

The listed minimum order is 1,000 pieces, at US$0.078 – 0.46 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 Zinc Coating Tri-Groove Security Nut Against Theft?

Type: Round Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: 5.6; Size: M12; Head Style: Round. 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 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 security & tamper-resistant nuts are available?

The Security & Tamper-Resistant Nuts category lists 36 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/security-tamper-resistant-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$0.078 – 0.46MOQ 1,000 piecesGet a quote WA