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Screws › Security & Tamper-Resistant Screws

Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic

Updated 2026-11-04 · Markdown version

Model no. OKL-S29

US$0.006 – 6.00 / piece

MOQ 50,000 pieces · Final price confirmed in your quote

Material: Carbon Steel / Stainless Steel 304/316
Head Style: Round
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: Customized
Drive Type: Pin in Torx
Thread Type: Self Tapping Thread
Surface Finish: Zinc Plated (Carbon Steel) / Natural (Stainless St
Diameter Range: 3.5mm - 6.0mm

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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 / Stainless Steel 304/316
Type	Pan Head
Model NO.	OKL-S29
Groove	Torx with Pin
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	Customized
Product Name	PT Screw for Plastic
Keywords	PT Screw
Drive Type	Pin in Torx
Thread Type	Self Tapping Thread
Surface Finish	Zinc Plated (Carbon Steel) / Natural (Stainless St
Diameter Range	3.5mm - 6.0mm
Length Range	13mm - 100mm
Point Style	Flat Point
Feature	Corrosion Resistant, Anti-Loosening, High Torque T
Application	Furniture, Electronics, Automotive, Construction
Standard Compliance	DIN, ISO, ANSI/ASME, JIS
Transport Package	Standard Packaging or Customized
Specification	Standard Specifications or Customized
Origin	Zhejiang, China
HS Code	7318150000
Production Capacity	300000000PCS/Year
Package Size	28.00cm * 14.00cm * 14.00cm
Package Gross Weight	20.000kg
Thread Forming Design	Specially engineered thread profile creates its own mating thread in thermoplastics, eliminating the need for pre-tapped holes and reducing material stress.
High Pull-Out Resistance	Provides superior holding strength in plastic components, preventing loosening under vibration or thermal expansion.
Reduced Installation Torque	Low driving torque requirements make assembly faster and easier, minimizing the risk of material cracking.
Precision Engineering	Consistent thread pitch and geometry ensure reliable performance across repeated assemblies.
Key Features	Tamper-proof design with Torx 6 lobe head and pin for enhanced security
Torx sizes	T6, T8, T10, T15, T20, T25, T30, T45, T50
Dimensions (d max)	from 2.6 mm (M2) to 11.2 mm (M10)
Head dimensions (da max)	from 4 mm to 20 mm
Key dimensions (e)	from 1.75 mm to 8.95 mm
Minimum and maximum thickness (t min / t max)	0.63 mm to 4.02 mm
Minimum radius (r min)	0.1 mm to 0.4 mm
Category	Security & Tamper-Resistant Screws

Technical parameters

TECHNICAL PARAMETERS
Product Name	Thread Forming PT Screw for Plastic
Keywords	PT Screw for Plastic
Material	Carbon Steel / Stainless Steel 304/316
Head Style	Pan Head
Drive Type	Pin in Torx Drive
Thread Type	Self Tapping Thread
Surface Finish	Zinc Plated (Carbon Steel) / Natural (Stainless Steel)
Diameter Range	3.5mm - 6.0mm
Length Range	13mm - 100mm
Point Style	Flat Point
Feature	Corrosion Resistant, Anti-Loosening, High Torque Transfer
Application	Construction, Industrial, Furniture, Woodworking, Decking
Standard Compliance	DIN,ISO,ANSI/ASME,JIS

Description

Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic is part of our security & tamper-resistant screws range (Screws).

Key details

Type: Pan Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: Carbon Steel / Stainless Steel 304/316
Grade: Customized
Head Style: Round
Groove: Torx with Pin
Connection: Common Bolt
Application: Furniture, Electronics, Automotive, Construction

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 50,000 pieces at US$0.006 – 6.00 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 Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic?

The listed minimum order is 50,000 pieces, at US$0.006 – 6.00 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 Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic?

Type: Pan Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Carbon Steel / Stainless Steel 304/316; Grade: Customized; Head Style: Round; Groove: Torx with Pin. 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 drive type. 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$0.006 – 6.00MOQ 50,000 piecesGet a quote WA