#4-40 X 3/8" Tamper Resistant Machine Screws | Pan Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)
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#4-40 X 3/8" Tamper Resistant Machine Screws | Pan Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)

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#4-40 X 3/8" Tamper Resistant Machine Screws | Pan Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 0406SMP
Price:
$31.88per 100( $0.32 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 3/8
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Spanner
Head style Pan
Threads per inch 40
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial machine screws designed for precision fastening in electronics housings, equipment cabinets, and machinery assemblies. The pan head, spanner drive design paired with 304 stainless steel delivers reliable torque control and corrosion resistance for harsh environments.

Specs

  • Dimensions: Length 3/8 inch; Nominal diameter #4
  • Finish: Bright
  • Drive type: Spanner drive
  • Material grade: 304 Stainless Steel (18/8)
  • Thread type: UNC
  • Thread size: 4-40 UNC

Features

  • Functional benefits:
    • Corrosion resistance: 304 Stainless Steel provides superior resistance to moisture, chemicals, and aggressive atmospheres.
    • Torque control: Pan head geometry enables predictable seating and load distribution in shallow panels.
    • Security drive: Spanner drive reduces tool slippage and visible tampering in equipment housings.
    • Installation reliability: Precision manufacturing delivers consistent fit across high-volume assemblies.
  • Use cases:
    • Panel mounting in electrical enclosures and industrial machinery
    • Internal fasteners for appliance assemblies and control housings
    • General purpose fastening in manufacturing equipment and workshop cabinetry

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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