Excellent 4.7 out of 5.

M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel (pack of 1)

Accu Product Code (APC): SFH-M4-20-A1-BL

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M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel (pack of 1)

Accu Product Code (APC): SFH-M4-20-A1-BL

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1 Year Extended Warranty.
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M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel Description

The M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel has the following features:

2.52mm Head Length (H)
DIN 923 Manufacturing Standard
6mm Thread Length (E)
20mm Shoulder Length (L)
1mm Slot Width (A)
Stainless Steel (A1) Material
Stainless Steel (A1) Material Specification
0.7mm Screw Thread Pitch
Matte Black Finish
Metric Metric or Imperial?
M4 (4mm) Thread Size
8.5mm Head Diameter (D)
5.5mm Shoulder Diameter (d)
+0/-0.22mm Head Diameter (D) Tolerance
+0/-0.03mm Shoulder Diameter (d) Tolerance
+0/-0.24mm Head Length (H) Tolerance
1.2mm Slot Depth (Min) (P)

Discover more about the Slotted Pan Head Shoulder Screws range.

AccuScrews’ Cost Effective Slotted Shoulder Screws are a reduced-cost alternative to our standard Slotted Shoulder Screws range. Cost-Effective Slotted Shoulder Screws are manufactured to the same standard and to the same high tolerances (+/-0.025mm) as our standard Shoulder Screw ranges, but are manufactured from A1 Stainless Steel.

Metric Cost Effective Slotted Shoulder Screws

Cost Effective Slotted Shoulder Screws are available in a wide range of metric thread diameters, from M2 to M10. Shoulder diameters of between 2.8mm and 13mm are available, as well as shoulder lengths from 1mm up to 30mm.

Prevent loosening and enhance the reliability of your Slotted Pan Head Shoulder Screws with Accu’s range of pre-applied thread-locking patches. From AccuLock Threadlocker for everyday security to Anu-Lok 180 for durability and Precote 80 for superior hold, we provide solutions to suit every application. Customise your components further with AccuBlack chemical blackening for a sleek, low-reflective finish.

Shipping Information

Shipping Destinations:

Worldwide view delivery information

Weight (100 items):

0.51kg

Component History

Product First Available:

Tuesday, October 26, 2021

Stock Last Updated:

07:03 PMWednesday, May 21, 2025

Specification Last Updated:

Wednesday, May 21, 2025

Barcodes

APC (Accu Product Code):

SFH-M4-20-A1-BL

EAN13 (International Article No.):

5054328509924

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Thread Size

Shoulder Diameter (d)

Shoulder Length (L)

Material

Finish

Head Diameter (D)

Head Length (H)

Manufacturing Standard

Material Specification

Metric or Imperial?

Screw Thread Pitch

Slot Depth (Min) (P)

Slot Width (A)

Thread Length (E)

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M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel.

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M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel (pack of 1)

M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel M4 (4mm) x 20mm Slotted Pan Head Shoulder Screws (DIN 923) -Black A1 Stainless Steel (pack of 1)

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