M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) (pack of 1)

Accu Product Code (APC): NBK-SNPI3S-M3-50-ALK

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M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) (pack of 1)

Accu Product Code (APC): NBK-SNPI3S-M3-50-ALK

Key Features

Pre-assembled with spring and captive washers to streamline installation and reduce unique part count.
Anu-Lok 180 is an adjustable and reusable Nylon patch for medium duty applications.
Mimics Nylock with up to 5 re-uses and effective from -50°C to 120°C.

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1 Year Warranty Details.

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Accu Product Code (APC): NBK-SNPI3S-M3-50-ALK
Thread Size: M3 (3 mm)
Length (L): 50 mm
Full Thread: Yes
Material: Stainless Steel - (A2-50) / Stainless Steel - (A2)
Finish: Thread Locking - Anu-Lok 180
Drive Type: PH2
Flat Washer Height (W): 0.5 mm
Flat Washer Width (OD): 7 mm
Head Diameter (ID): 5.5 mm
Head Height (H): 2 mm
Material Classification: Screw / Washers
Material Family: Stainless Steel
Spring Washer Thickness (Max) (T): 0.7 mm
Spring Washer Uncompressed Height (Max): 1.4 mm
System of Measurement: Metric
Thread Pitch: 0.5 mm
Thread Specification: Coarse
Weight per 100 Units: 260 g

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M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) Description

The M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) has the following features:

Drive Type: PH2
Thread Locking - Anu-Lok 180 Finish
Flat Washer Height (W): 0.5 mm
Flat Washer Width (OD): 7 mm
Full Thread
Head Diameter (ID): 5.5 mm
Head Height (H): 2 mm
Length (L): 50 mm
Stainless Steel - (A2-50) / Stainless Steel - (A2)
Screw / Washers Material Classification
Stainless Steel Material Family
Spring Washer Thickness (Max) (T): 0.7 mm
Spring Washer Uncompressed Height (Max): 1.4 mm
System of Measurement: Metric
Thread Pitch: 0.5 mm
Thread Size: M3 (3 mm)
Thread Specification: Coarse

Discover more about the Phillips Pan Head SEMS Screws range.

Phillips pan head SEMS screws are advanced integrated fasteners that combine a pan head screw, Phillips drive and one or more captive washers, typically a flat washer, spring washer, or both.

By merging these components into a single unit, these screws simplify assembly, reduce part handling and eliminate the need for loose washers.

This design is particularly beneficial in high-speed manufacturing environments, such as electronics and automotive assembly, where precision, component control and efficient assembly are critical.

How Phillips Pan Head SEMS Screws Work

Phillips pan head SEMS screws function by retaining washers on the screw shaft during production, ensuring they stay in place throughout handling and installation. This eliminates the need for separate washer alignment, streamlining the assembly process.

The pan head offers a broad, low-profile design for load distribution, while the Phillips drive allows for secure torque application with compatible tools. This makes Phillips pan head SEMS screws ideal for automated environments where reliability and efficiency are paramount.

Materials Phillips Pan Head SEMS Screws Are Made From

Accu’s Phillips pan head SEMS screws are manufactured from stainless steel (A2-50), offering high strength and corrosion resistance, perfect for industrial and assembly-line applications. The captive washers are also made from A2 stainless steel, ensuring long-lasting durability and material compatibility.

This material combination guarantees consistent performance in both indoor and outdoor environments, with strong resistance to vibration and corrosion.

For additional resistance against vibrations, this range of screws can be purchased with thread lock patches pre-applied to further reduce assembly steps and reduce chances of loosening.

Sizes and Types of Phillips Pan Head SEMS Screws Available

Accu supplies Phillips pan head SEMS screws in metric thread sizes ranging from M2 (2mm) to M6 (6mm), with lengths between 4mm and 50mm. Each screw features a Phillips drive, allowing for efficient installation using a standard Phillips screwdriver or compatible tools.

FAQs

Q: What makes Phillips pan head SEMS screws different from other SEMS screws?

A: The main difference lies in the combination of the pan head and the Phillips drive. This provides a low-profile head for even load distribution and allows for easy installation with a Phillips screwdriver.

Q: Can Phillips pan head SEMS screws be used in high-vibration environments?

A: Yes, particularly when configured with spring washers. These washers offer added resistance against loosening, making the screws ideal for dynamic or vibration-prone environments.

Q: Are Phillips pan head SEMS screws suitable for automated assembly?

A: Absolutely. Their integrated design reduces component count, streamlines the assembly process and is highly compatible with automated systems.

Q: Can Phillips pan head SEMS screws be reused?

A: Yes, so long as there is no visible damage to the screw or washers. The spring washer may lose tension over time and should be checked for wear before reinstallation.

Shipping Information

Shipping Destinations:

Worldwide view delivery information

Weight (100 items):

0.26kg

Component History

Product First Available:

Tuesday, November 11, 2025

Stock Last Updated:

11:18 PMWednesday, June 3, 2026

Specification Last Updated:

Wednesday, June 3, 2026

Barcodes

APC (Accu Product Code):

NBK-SNPI3S-M3-50-ALK

EAN13 (International Article No.):

5063765341912

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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Thread Size

Length (L)

Full Thread

Material

Finish

Drive Type

Flat Washer Height (W)

Flat Washer Width (OD)

Head Diameter (ID)

Head Height (H)

Material Classification

Material Family

Spring Washer Thickness (Max) (T)

Spring Washer Uncompressed Height (Max)

System of Measurement

Thread Pitch

Thread Specification

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M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) (pack of 1)

M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) M3 x 50mm Phillips Pan Head SEMS Screws - Anu-Lok 180 - Stainless Steel (A2) (pack of 1)

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