#4 X 3/8" Type B Self Tapping Sheet Metal Screws | Flat Undercut Head | Phillips Drive | 18/8 Stainless Steel (5000/Pkg.)

Mutual ScrewSKU: 0406BPU188KC

Price:
Sale price$313.93 Regular price$502.39per 5000( $0.06 each)
Pieces 5000
Measurement type Inch
Thread size #4
Length 3/8
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Phillips
Head style Flat Undercut Head
Point type Type B
Threads per inch 24
Thread style Fully Threaded
Weight 5.0 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

Type B self tapping sheet metal screws form their own threads in metal substrates, enabling rapid fastening with minimal pre-processing. The flat undercut head and Phillips drive provide a flush, reliable install in 304 stainless steel hardware assemblies.

Specs

  • Diameter: #4
  • Length: 3/8 inch
  • Finish: 18/8 Stainless Steel
  • Drive type: Phillips
  • Material grade: 304 Stainless Steel
  • Thread type: Self tapping (Type B)

Features

  • Self tapping capability: Forms internal threads in sheet metal without pre-drilling, enabling fast, repeatable assembly cycles.
  • Head geometry: Flat undercut head provides a flush seating surface and reduced protrusion in enclosure interiors.
  • Drive compatibility: Phillips drive aligns with standard tools, minimizing cam-out risk in high-speed fastening.
  • Material and finish: 304 Stainless Steel with 18/8 finish delivers robust corrosion resistance for moisture-prone or outdoor environments.
  • Applications: Ideal for HVAC ductwork, electrical enclosures, appliance housings, automotive trim, and metal cabinetry requiring stainless steel fasteners.
  • Bulk packaging: 5000 pieces per bulk pack for procurement efficiency in high-volume manufacturing.

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800-222-0324

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