[1500 BULK] Type 23 Thread Cutting Screws | Indented Hex Washer Serrated Head | Slotted Drive | Steel Zinc Plated | 5/16-18 X 3/4
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[1500 BULK] Type 23 Thread Cutting Screws | Indented Hex Washer Serrated Head | Slotted Drive | Steel Zinc Plated | 5/16-18 X 3/4

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[1500 BULK] Type 23 Thread Cutting Screws | Indented Hex Washer Serrated Head | Slotted Drive | Steel Zinc Plated | 5/16-18 X 3/4

Mutual ScrewSKU: 31123SWSKC
Price:
$576.45 $751.86per 1500( $0.38 each)
Pieces 1500
Measurement type Inch
Thread size 5/16-18
Length 3/4
Material Steel Zinc Plated
Finish Zinc Plated
Drive Slotted
Head style Indented Hex Washer Serrated
Threads per inch 18
Weight 39.0 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

Bulk pack of Type 23 thread-cutting screws designed for reliable sheet-metal assembly in industrial and OEM environments. They feature an indented hex washer serrated head and a slotted drive, with zinc-plated steel for corrosion resistance on 5/16-18 UNC threads and a length of 0.75 inch.

Specs

  • Material: Steel
  • Finish: Zinc Plated
  • Drive Type: Slotted
  • Head Style: Indented Hex Washer Serrated
  • Thread Type: Type 23 Thread Cutting
  • Diameter: 5/16-18 UNC
  • Length: 0.75 inch

Features

  • Self-Tapping Thread Cutting: Type 23 design enables cutting threads in metal without pre-tapping, increasing installation speed in sheet-metal assemblies.
  • Indented Hex Washer Serrated Head: Provides a flush seating surface with anti-rotation and vibration resistance, improving long-term fastening stability.
  • Corrosion Resistance: Zinc plating delivers galvanic protection for indoor and mildly exposed environments, reducing corrosion-related wear.
  • Drive Compatibility: Slotted drive supports common hand and power tools, enabling precise torque control during installation.
  • Dimensional Fit: 5/16-18 thread with 0.75 inch length aligns with standard sheet-metal thickness ranges and fastener catalogs.
  • Application Scope: Ideal for electrical enclosures, automotive interior components, HVAC panels, metal cabinetry, and equipment housings requiring secure, vibration-resistant joints.

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

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