No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) (pack of 1)

Accu Product Code (APC): SHKT-No.8-3/4-A4-BL

Images shown for graphic representation. Not to scale.

No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) (pack of 1)

Accu Product Code (APC): SHKT-No.8-3/4-A4-BL

Key Features

Suitable For Use With Wood, Plastic, Brass & Aluminium (Pilot Hole May Vary Depending on Material Thickness).
1 Year Extended Warranty.
Certified Precision - Certificate of Conformity Supplied As Standard.

Show All Sizes & Materials

3D CAD Model Downloads: Details .

Simple 90 Day Returns Details.

1 Year Warranty Details.

Official AccuBlack Product.

Buy More & Save

/ Each Pack of
Exc. VAT
Price Exc. VAT

All prices below Exc. VAT

Minimum order quantity: Maximum order quantity:

This component is

Discontinued

Find Alternatives

This component is

Out of Stock

This component is

Available Offline

Manufactured For Your Order

It's prime for engineers.

Show All Sizes & Materials

Accu Product Code (APC): SHKT-No.8-3/4-A4-BL
Thread Size: No.8 (4.2 mm)
Nominal Length (L): 3/4 inch (19 mm)
Torx Size: T20
Material: Stainless Steel - Marine (A4)
Finish: Matte Black
Countersunk Angle (CA): 80 Degrees
For Use With: Suitable For Use With Wood, Plastic, Brass & Aluminium (Pilot Hole May Vary Depending on Material Thickness)
Head Diameter (D): 8.1 mm Tolerance: +0/-0.36 mm
Head Length (H): 2.5 mm
Manufacturing Standard: DIN 7982C
Material Family: Stainless Steel
Pilot Hole Size: 3.5 mm
System of Measurement: Metric
Weight per 100 Units: 140 g

Download Tech Spec

See a problem with this specification?

No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) Description

The No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) has the following features:

Countersunk Angle (CA): 80 Degrees
Matte Black Finish
For Use With: Suitable For Use With Wood, Plastic, Brass & Aluminium (Pilot Hole May Vary Depending on Material Thickness)
Head Diameter (D): 8.1 mm
Head Diameter (D) Tolerance: +0/-0.36 mm
Head Length (H): 2.5 mm
Manufacturing Standard: DIN 7982C
Stainless Steel - Marine (A4)
Stainless Steel Material Family
Nominal Length (L): 3/4 inch (19 mm)
Pilot Hole Size: 3.5 mm
System of Measurement: Metric
Thread Size: No.8 (4.2 mm)
Torx Size: T20

Discover more about the Torx Self Tapping Countersunk Screws range.

Hexalobular (also known as Torx or 6lobe) Self Tapping Countersunk Screws are designed to tap their own threads when inserted into pre-drilled pilot holes. Products within this range are fitted with a countersunk head, which allows the the screw to sit flush with the target housing. These components also feature a Hexalobular Drive, which is designed to resist cam-out, and is compatible with AccuScrews’ range of Hexalobular Drive Bits.

Materials

These components are available in an array of specialist materials, including A2 and A4 Stainless Steel. Additional finishes such as Chemical Blackening can be applied to Stainless Steel components on request.

Imperial Torx Self Tapping Countersunk Screws

These components are manufactured according to DIN 7982C, and are available in thread sizes of between No. 2 and No. 14, and lengths of between ¼ inch and 3 inch. For a full list of conversions, please check our Self Tapping Thread Gauge Conversion Table. Additional sizes can be manufactured in request, please contact our sales team for details.

Shipping Information

Shipping Destinations:

Worldwide view delivery information

Weight (100 items):

0.14kg

Component History

Product First Available:

Sunday, June 28, 2015

Stock Last Updated:

12:02 AMThursday, June 4, 2026

Specification Last Updated:

Wednesday, June 3, 2026

Barcodes

APC (Accu Product Code):

SHKT-No.8-3/4-A4-BL

EAN13 (International Article No.):

5054328939530

ASIN (Amazon Stock Identification No.):

ASIN not defined.

3D CAD Model Downloads

It will be automatically recharged within 24 hours. If you would like more downloads or need help please contact us

See a problem with this CAD Model?

Sorry, this is not available online right now.

To request a CAD Model please provide the following:

Name

Thank you for requesting a 3D CAD Model.

We aim to get back to you within 2 working days.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Customers Also Shopped For.

Product Certifications.

Certificate of Conformity Included

RoHS Certified

REACH Certified

ISO9001
Quality Approved

Your Daily Download Limit Has Been Reached.

It will be automatically recharged within 24 hours. If you would like more downloads or need help please contact us.

Report A Product Specification Or CAD Error.

Thread Size

Nominal Length (L)

Torx Size

Material

Finish

Countersunk Angle (CA)

For Use With

Head Diameter (D)

Head Length (H)

Manufacturing Standard

Material Family

Pilot Hole Size

System of Measurement

CAD Error:

Is there anything else you'd like us to know?

Email Address (so we can let you know when it's fixed)

Get A Quote By Email. Quote Successful.

YOUR PRODUCT

No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4).

Minimum quantity required for a quote:

Thank you for requesting a quote.

We aim to get back to you within 2 working days.

Submit Another Quote.

1 How Many Do You Need?

Minimum quote quantity:

We have the quantity you need in stock. Add the product straight to your cart below. ( each)

2 Getting in Touch

Your Name

Company Name

Company Email Address

Company Phone Number

3 Tell Us More We'd love to hear your plans

Industry

Delivery Country

Other Details Max 500 characters.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Destination	Available Services
	Morning Express (Before Noon)	Saturday Express

Out Of Stock

Out Of Stock

No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) (pack of 1)

No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) No.8 (4.2mm) x 3/4 Inch (19mm) T20 Torx Self Tapping Countersunk Screws (DIN 7982C) - Black Marine Stainless Steel (A4) (pack of 1)

Purchased