1/4"-20 X 3" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel (500/Pkg.)

Mutual ScrewSKU: MS51959-91KC

Price:
Sale price$316.45 Regular price$367.08per 500( $0.63 each)
Pieces 500
Measurement type Inch
Thread size 1/4-20
Diameter 1/4
Length 3
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Phillips
Head style Flat
Threads per inch 20
Thread style Fully Threaded
Weight 17.0 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

Specs

  • Drive type: Phillips (PH)
  • Head style: Flat-head, countersunk
  • Material: 18/8 stainless steel
  • Finish: Bright
  • Thread: 1/4-20 UNC
  • Length: 3 inches
  • Packaging: 500 per package

Features

  • Flat-head design enables flush mounting into metal surfaces for a clean, finished appearance.
  • Phillips drive supports standard screwdrivers for reliable seating and torque control.
  • 18/8 stainless steel delivers corrosion resistance in a range of environments, including outdoor use.
  • 1/4-20 UNC thread standard for common metal-to-metal assemblies in machinery and enclosures.
  • Bright finish enhances visibility during assembly and inspection.
  • Three inch length accommodates typical panel thicknesses in engineered assemblies.
  • Stainless steel construction maintains torque and resists wear under vibration.

Physical

  • Head style: Flat-head, countersunk for flush surface alignment
  • Drive type: Phillips
  • Material: 18/8 stainless steel
  • Finish: Bright
  • Thread: 1/4-20 UNC
  • Length: 3 inches
  • Packaging: 500 per package

Industry Used In

  • Electrical enclosures requiring corrosion-resistant fasteners that sit flush with panels
  • Industrial machinery assemblies where reliable torque and long-term corrosion resistance matter
  • Automotive housings and appliance components exposed to moisture or humidity
  • Outdoor equipment housings and garden machinery that encounter environmental exposure
  • General metal-to-metal fastening in environments demanding durability and clean appearance

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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