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Screws › Security & Tamper-Resistant Screws

High Quality Stainless Security Accessories Triangle Socket Csk Head Security Screws

Updated 2026-11-04 · Markdown version

Model no. DIN, ANSI, GB, JIS

US$0.2610,000–29,999 pieces

US$0.1930,000–49,999 pieces

US$0.079250,000–99,999 pieces

US$0.0384100,000+ pieces

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

Material: Stainless Steel
Head Style: Round
Standard: DIN, GB, ANSI, JIS
Grade: A2, A4
Surface Treatment: Zinc, Power Coating, Black Oxide, Dacromet, etc
Thread: Coarse or Fine
Tri-Wing Heads screw: Tri-wings are shaped as a recessed triangle. This unique but simple design is difficult to defeat with any regular driver head, including a slot or a Phillips bit. You'll hear them referred to as triangle screws as well.

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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	Stainless Steel
Type	Round Head
Model NO.	DIN, ANSI, GB, JIS
Groove	Triangle
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB, ANSI, JIS
Grade	A2, A4
Certification	ISO, RoHS, CE
Delivery	Sea Freight, Air, Train, Express
Service	Support Customized Service
Samples	Free If It Is Available
Surface Treatment	Zinc, Power Coating, Black Oxide, Dacromet, etc
Inspection	Optical Screening Instrument
Delivery Time	10-15 Working Days
Thread	Coarse or Fine
Transport Package	Plastic Bag, Boxes and Cartons, Pallets, Customize
Specification	M2-M10
Origin	China
HS Code	7318159090
Production Capacity	2000000pieces/Year
Tri-Wing Heads screw	Tri-wings are shaped as a recessed triangle. This unique but simple design is difficult to defeat with any regular driver head, including a slot or a Phillips bit. You'll hear them referred to as triangle screws as well.
a) Commercial and Retail	Security screws find widespread use in commercial and retail settings. They secure cash registers, safes, displays, and cabinets. They also help deter theft and unauthorised access to valuable items or confidential information.
b) Public Infrastructure	Security fasteners can play a vital role in securing public infrastructure such as traffic signs, utility meters, access panels, and public furniture. They prevent tampering, vandalism, and unauthorised dismantling.
c) Residential Security	Homeowners can utilise security fasteners to fortify their doors, windows, alarm systems, and outdoor fixtures. By using tamper-resistant fasteners, homeowners can enhance the security of their property and protect against break-ins.
d) Automotive Industry	Security fasteners are utilised in the automotive industry to secure license plates, mirrors, badges, and various components. They act as a deterrent against theft or unauthorised removal of valuable automotive parts.
e) Electronics and IT Equipment	Many electronic devices and IT equipment incorporate security screws to prevent tampering or unauthorised access to sensitive data. They are commonly used in computer cases, gaming consoles, routers, and medical equipment.
f) Manufacturing	Many appliances and machinery incorporate security screws to protect sensitive components from tampering or unauthorised repairs. This helps safeguard intellectual property and ensures product integrity.
Answer	Small orders can be supported if the product is in stock.
Category	Security & Tamper-Resistant Screws

Technical parameters

Standard	As per drawing
Size	M2-M10
Material	Carbon Steel, Stainless Steel, Duplex, etc
Plating	Zinc, Dacromet, Geomet, Ruspert, HDG, etc
Note	Free samples but freight cost is paid by customers(when sample is in stock) Sample fee (when samples need to be customized)

Description

High Quality Stainless Security Accessories Triangle Socket Csk Head Security Screws is part of our security & tamper-resistant screws range (Screws).

Key details

Type: Round Head
Standard: DIN, GB, ANSI, JIS
Material: Stainless Steel
Grade: A2, A4
Thread: Coarse or Fine
Head Style: Round
Groove: Triangle
Surface Treatment: Zinc, Power Coating, Black Oxide, Dacromet, etc

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 10,000 pieces at US$0.0384 – 0.26 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 High Quality Stainless Security Accessories Triangle Socket Csk Head Security Screws?

The listed minimum order is 10,000 pieces, at US$0.0384 – 0.26 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$0.26 for 10,000–29,999 pieces; US$0.19 for 30,000–49,999 pieces; US$0.0792 for 50,000–99,999 pieces; US$0.0384 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 High Quality Stainless Security Accessories Triangle Socket Csk Head Security Screws?

Type: Round Head; Standard: DIN, GB, ANSI, JIS; Material: Stainless Steel; Grade: A2, A4; Thread: Coarse or Fine; 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 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 security & tamper-resistant screws are available?

The Security & Tamper-Resistant Screws category lists 619 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/

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$0.0384 – 0.26MOQ 10,000 piecesGet a quote WA