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M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) (pack of 1)

Accu Product Code (APC): SFHUL-M4-20-A4-BL

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M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) (pack of 1)

Accu Product Code (APC): SFHUL-M4-20-A4-BL

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M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) Description

The M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) has the following features:

1.3mm Head Length (H)
Not Standardised Manufacturing Standard
5mm Thread Length (E)
20mm Shoulder Length (L)
Marine Stainless Steel (A4) Material
316 Marine Grade Stainless Steel (A4) Material Specification
Matte Black Finish
0.7mm Thread Pitch
M4 (4mm) Thread Size
8mm Head Diameter (D)
Metric Imperial or Metric?
5mm Shoulder Diameter (SD)
+0/-0.025mm Shoulder Diameter (SD) Tolerance

Discover more about the Metric Ultra Low Head Slotted Shoulder Screws range.

AccuScrews' Metric Ultra Low Head Slotted Shoulder Screws feature a large, unthreaded portion below the head. Ultra Low Head Slotted Shoulder Screws are fitted with a low-profile head for space conservation purposes, and are machined to a highly precise tolerance of +/-0.025mm. The tight tolerance of this component makes it ideal for applications requiring high-precision sliding or rotation.

AccuScrews’ Ultra Low Head Slotted Shoulder Screws are also fitted with a widely-used slotted drive, making them compatible with AccuScrews’ ranges of Slotted Drive Bits and Insulated Slotted Screwdrivers.

Materials

These components can be manufactured from A2 and A4 Stainless Steel.

Improve the longevity and stability of your Ulta Low Head Slotted Shoulder Screws with Accu’s pre-applied thread-locking patches. From the leading reliability of AccuLock Threadlocker to the heavy-duty Anu-Lok 180 and the high-performance Precote 80, your fasteners remain secure. Add a professional touch with AccuBlack chemical blackening, designed to minimise reflections and provide a premium aesthetic.

Metric Ultra Low Head Slotted Shoulder Screws

Metric Ultra Low Slotted Shoulder Screws are produced in thread sizes ranging from M3 to M6, shoulder diameters of 4.00mm to 8.00mm, and are available with shoulder lengths ranging from 4.00mm up to 20.00mm.

Imperial Ultra Low Head Slotted Shoulder Screws

Slotted Ultra Low Head Shoulder Screws are available in imperial thread sizes from No. 2 up to No. 10, with shoulder lengths of between 1/8 inch and 1 inch, and shoulder diameters ranging from 3/32 inch up to 1/4 inch.

Shipping Information

Shipping Destinations:

Worldwide view delivery information

Weight (100 items):

0.455kg

Component History

Product First Available:

Sunday, June 28, 2015

Stock Last Updated:

02:51 PMThursday, April 24, 2025

Specification Last Updated:

Thursday, April 24, 2025

Barcodes

APC (Accu Product Code):

SFHUL-M4-20-A4-BL

EAN13 (International Article No.):

5057195017875

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Product Certifications.

Certificate of Conformity Included

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Thread Size

Shoulder Length (L)

Shoulder Diameter (SD)

Material

Finish

Head Diameter (D)

Head Length (H)

Imperial or Metric?

Manufacturing Standard

Material Specification

Thread Length (E)

Thread Pitch

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M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4).

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M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) (pack of 1)

M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) M4 (5mm) x 20mm Ultra Low Head Slotted Shoulder Screws - Black Marine Stainless Steel (A4) (pack of 1)

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