M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) (pack of 1)

Accu Product Code (APC): SHCA-M4-45-A2

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M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) (pack of 1)

Accu Product Code (APC): SHCA-M4-45-A2

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Manufactured in the UK.
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Accu Product Code (APC): SHCA-M4-45-A2
Thread Size: M4 (4 mm)
Length (L): 45 mm
Torx Size: T20
Material: Stainless Steel - (A2)
Finish: Natural
Captive Diameter (C): 3 mm
Captive Length: 37 mm
Head Diameter (D): 7 mm Tolerance: +0/-0.22 mm
Head Height (H): 4 mm Tolerance: +0/-0.18 mm
Manufacturing Standard: ISO 14579
Material Family: Stainless Steel
Suitable Captive Washer: M4 (4 mm)
System of Measurement: Metric
Thread Length (E): 8 mm
Thread Pitch: 0.7 mm
Weight per 100 Units: 483 g

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M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) Description

The M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) has the following features:

Captive Diameter (C): 3 mm
Captive Length: 37 mm
Natural Finish
Head Diameter (D): 7 mm
Head Diameter (D) Tolerance: +0/-0.22 mm
Head Height (H): 4 mm
Head Height (H) Tolerance: +0/-0.18 mm
Length (L): 45 mm
Manufacturing Standard: ISO 14579
Stainless Steel - (A2)
Stainless Steel Material Family
Suitable Captive Washer: M4 (4 mm)
Suitable Captive Washer Link: /captive-washers/654117-HACW-M4-A2
System of Measurement: Metric
Thread Length (E): 8 mm
Thread Pitch: 0.7 mm
Thread Size: M4 (4 mm)
Torx Size: T20

Discover more about the Torx Cap Head Captive Screws range.

Torx Cap Head Captive Screws feature an unthreaded shank below the head. This unthreaded portion accommodates a Captive Washer, which locks in place to prevent the fastener from being fully removed after installation. Hexalobular Captive Screws utilise a Torx drive to minimise cam-out and increase tool life. Captive Screws are commonly used for safety reasons, and are required by EU law in certain safety equipment.

For more information on these components, please see Accu's full Captive Screws range, or visit our What is a Captive Screw? page.

Metric Torx Cap Head Captive Screws

Accu offers Hexalobular Cap Head Captive Screws is a full range of metric sizes. Thread diameters range from M2 up to M6, and lengths are available between 8mm and 50mm.

Thread-Locking and Finish Options

Upgrade your Torx Cap Head Captive Screws with pre-applied thread-locking. Secure with AccuLock Threadlocker, reinforce with Anu-Lok 180, or go high-performance with Precote 80. For a premium touch, AccuBlack chemical blackening minimises reflections and delivers a sleek, professional finish.

Custom Manufactured Captive Screws

Accu can offer bespoke manufactured Captive Screws on request. If your requirement is not listed in our standard range, please contact us or submit your technical drawing to MADEbyACCU.

Shipping Information

Shipping Destinations:

Worldwide view delivery information

Weight (100 items):

0.483kg

Component History

Product First Available:

Sunday, June 28, 2015

Stock Last Updated:

01:50 AMThursday, June 4, 2026

Specification Last Updated:

Thursday, June 4, 2026

Barcodes

APC (Accu Product Code):

SHCA-M4-45-A2

EAN13 (International Article No.):

5057196876402

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Thread Size

Length (L)

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Material

Finish

Captive Diameter (C)

Captive Length

Head Diameter (D)

Head Height (H)

Manufacturing Standard

Material Family

Suitable Captive Washer

System of Measurement

Thread Length (E)

Thread Pitch

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M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) (pack of 1)

M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) M4 x 45mm T20 Torx Cap Head Captive Screws (ISO 14579) - Stainless Steel - (A2) (pack of 1)

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