3/8"-16 X 1-1/4" Machine Screws | Flat Head | Slotted Drive | 18/8 Stainless Steel (300/Pkg.)

Mutual ScrewSKU: 3720MSF188KC

Price:
Sale price$279.10per 300( $0.93 each)
Pieces 300
Measurement type Inch
Thread size 3/8-16
Diameter 3/8
Length 1-1/4
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Slotted
Head style Flat
Threads per inch 16
Thread style Fully Threaded
Weight 12.0 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

Upgrade your fastener kit with our Machine Screws Slotted Flat 18/8 Stainless 3/8-16X1 1/4. These precision-machine screws combine corrosion-resistant 18/8 stainless steel with a low-profile flat head and a slotted drive, making them ideal for metal-to-metal assemblies where a flush finish is essential. Each screw measures 3/8-16 UNC and 1-1/4 inches long, providing dependable strength in a compact form.

Key Features

  • Material: 18/8 stainless steel for strong corrosion resistance and durability
  • Head Style: Flat head for a flush, finished appearance
  • Drive Type: Slotted
  • Thread Size: 3/8-16 UNC (coarse thread) for versatile fastening
  • Length: 1-1/4" (1.25")

Applications

Ideal for automotive, machinery, appliances, cabinetry, and outdoor projects where a sturdy, corrosion-resistant fastener is required. The slotted drive enables quick installations with a standard screwdriver, while the flat head sits flush against the material for a clean look.

Why choose 18/8 stainless?

18/8 stainless steel offers excellent corrosion resistance and long-lasting strength, making these machine screws suitable for indoor and outdoor environments, including humidity and exposure to moisture.

Installation Tips

  • Use with a matching 3/8-16 nut and appropriate washers for secure fastening.
  • For soft or thin materials, pair with washers to prevent pull-through.
  • Ensure proper screwdriver size for a snug fit in the slotted drive.

Note: Add these reliable, rust-resistant screws to your cart for fast, durable fastening in your next project.

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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