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Products
Special Screws
Security screws, Tamper Resistant Screws
SRTRS
SRTRS-M4
SRTRS-M4-6

SRTRS-M4-6

Triangular Socket Button Head Cap Screws

Tamper Resistance

SRTRSTriangular Socket Button Head Cap Screws

Dimension Drawing

Unit : mm

Part Number	M (Coarse) Nominal of Thread	Pitch	L	D₁	L₁	t	Bit Part No.	Screwdriver Part No.	Qty per Pack	Mass (g)	Price (USD)	CAD Download	QTY (Pack)
SRTRS-M4-6	M4	0.7	6	7.6	2.2	1.3	SRTRB-4	SRD-6.35	10	0.89	13.88	CAD	Cart

Part Number	M (Coarse) Nominal of Thread	Pitch	L	D₁	L₁	t	Bit Part No.	Screwdriver Part No.	Qty per Pack	Mass (g)	Price (USD)	CAD Download	QTY (Pack)
SRTRS-M4-6	M4	0.7	6	7.6	2.2	1.3	SRTRB-4	SRD-6.35	10	0.89	13.88	CAD	Cart

Part Number	M (Coarse) Nominal of Thread	Pitch	L	D₁	L₁	t	Bit Part No.	Screwdriver Part No.	Qty per Pack	Mass (g)	Price (USD)	CAD Download	QTY (Pack)
SRTRS-M4-6	M4	0.7	6	7.6	2.2	1.3	SRTRB-4	SRD-6.35	10	0.89	13.88	CAD	Cart

Part Number	M (Coarse) Nominal of Thread	Pitch	L	D₁	L₁	t	Bit Part No.	Screwdriver Part No.	Qty per Pack	Mass (g)	Price (USD)	CAD Download	QTY (Pack)
SRTRS-M4-6	M4	0.7	6	7.6	2.2	1.3	SRTRB-4	SRD-6.35	10	0.89	13.88	CAD	Cart

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Related Services

Material/Finish

	SRTRS
Main Body	Equivalent to SUS304
Strength Class	Equivalent to A2-50

Application

Machinery / Tools / Equipment / Devices disassembly prevention/ Tampering prevention / Theft prevention for outdoor facilities /
Security measures / Safety measures

Characteristics

Button head cap screws with triangular socket.
This prevents mounting and removing with regular tools.
Install and remove with SRTRB Dedicated Bits and SRD Dedicated Magnetic Screwdriver together.

Related Products

Install and remove with SRTRB Dedicated Bits and SRD Dedicated Magnetic Screwdriver together.
SRTRB

SRTRSTriangular Socket Button Head Cap Screws

Dedicated Magnet Screwdrivers SRD
SRD

SRTRSTriangular Socket Button Head Cap Screws

Product List

SRTRS-M4

Click here to see SRTRS-M4

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M4-8

Feature

Triangular Socket

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M4-10

Feature

Triangular Socket

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M4-12

Feature

Triangular Socket

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M4-16

Feature

Triangular Socket

Click here to see SRTRS

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M6

Feature

Triangular Socket

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M5

Feature

Triangular Socket

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS-M3

Feature

Triangular Socket

HOME
Products
Special Screws
Security screws, Tamper Resistant Screws
SRTRS
SRTRS-M4
SRTRS-M4-6

Description of Plungers for Engineers

Washers: Essential Components for Secure Connections

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Use the NBK Captive Screw Series to be comply with CE

Customization

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Screw combination service

Select the best screws for your needs

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Only certain workersshould be able to remove screws 【Safety Measures/Precautionary Measures】

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

CE marking compliance is required【Workability/Maintenance】

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Slip Torque of Coupling – Set Screw Type

General Tolerances

Hexagon Nuts

Auto-Positioning Units Frequently Asked Questions (FAQ)

Coupling and Single-axis Actuator Assembly Method

Hints for correctly using NBK products: Quick Positioning Brackets

Hints for correctly using NBK products: Captive Washer for Pull

Hints for correctly using NBK products: Metal Super Knob

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

Description of Plungers for Engineers

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Use the NBK Captive Screw Series to be comply with CE

Monitors need to be movable with one touch in accordance with the worker's height or the nature of the work【Improved productivity/workability】

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

What are Captive Screws? Introduction of the NBK Captive Series

Use the NBK Captive Screw Series to be comply with CE

Only certain workersshould be able to remove screws 【Safety Measures/Precautionary Measures】

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

Preventing gaps between the sheet and screw when fastening thin sheets

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

Higher torque and Lower price.

NBK SPECIAL SCREWS

What is a Coupling? Explanation of Types and Features

Vol.6 Varieties of Screws "Beyond" SUS

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

High-Gain Rubber Type Coupling XG2

A new generation of disk couplings

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

Vol.6 Varieties of Screws "Beyond" SUS

No. ９: Increasing Throughput

What makes our custom screws special

Customization

NBK SPECIAL SCREWS

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Higher torque and Lower price.

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

Description of Plungers for Engineers

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Washers: Essential Components for Secure Connections

Select the best screws for your needs

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

Description of Plungers for Engineers

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Washers: Essential Components for Secure Connections

No. 8: Preventing Part Fall-out

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Vol.4　What are washers used for?

Vol.6　Varieties of Screws "Beyond" SUS