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Screws › Security & Tamper-Resistant Screws

Countersunk Head for Anti-Theft Torx Security Self-Tapping Torx Screws

Updated 2026-11-04 · Markdown version

Model no. 3.5-6mm

US$1.20 – 3.60 / kilogram

MOQ 1 kilogram · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Counter Sunk Bolt
Standard: DIN, GB
Grade: 12.9
Size: Customizable
Surface Treatment: Blue and White Zinc Plating

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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	Countersunk Head
Model NO.	3.5-6mm
Groove	Torx
Connection	Common Bolt
Head Style	Counter Sunk Bolt
Standard	DIN, GB
Grade	12.9
Dentoform	Fine Thread
Size	Customizable
Initial	Customizable
Surface Treatment	Blue and White Zinc Plating
Transport Package	Bulk and Box Package
Specification	3.5*16mm
Origin	Tianjin
HS Code	73181400
Production Capacity	40000 Tons/Year
Category	Security & Tamper-Resistant Screws

Technical parameters

Material	C1022/1022A/Q195/Q235/45#/55#/22A
Surface Treatment	Black/Gray Phosphated, White/Yellow Zinc Plated.
Thread	Fine Thread, Coarse Thread
Shank Diameter	1.2mm-10mm
Length	19mm-300mm
Point	Drill point, Sharp point.
Standard	DIN / ISO / GB
Packing	Ordinary packaging, Color box, Wooden box packaging, Small carton packaging, Packed in woven bags
Logo	If you need, we can provide a logo customization service
Delivery time	Normally in 15-30 days
Payment term	30% TT in advance and 70% TT before shipment
Usage	Building construction, decoration field, bicycle parts, wooden furniture, electrical component, household, etc

Description

Countersunk Head for Anti-Theft Torx Security Self-Tapping Torx Screws is part of our security & tamper-resistant screws range (Screws).

Key details

Type: Countersunk Head
Standard: DIN, GB
Material: Carbon Steel
Grade: 12.9
Size: Customizable
Head Style: Counter Sunk Bolt
Groove: Torx
Surface Treatment: Blue and White Zinc Plating

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 kilogram at US$1.20 – 3.60 per kilogram. 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 Countersunk Head for Anti-Theft Torx Security Self-Tapping Torx Screws?

The listed minimum order is 1 kilogram, at US$1.20 – 3.60 per kilogram. 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 Countersunk Head for Anti-Theft Torx Security Self-Tapping Torx Screws?

Type: Countersunk Head; Standard: DIN, GB; Material: Carbon Steel; Grade: 12.9; Size: Customizable; Head Style: Counter Sunk 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, 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 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 →

Request a quote for this product

US$1.20 – 3.60MOQ 1 kilogramGet a quote WA