Machine Screws Phil Pan 18/8 Stainless Black Oxide (MS51957) 1/4-20X7/16
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Machine Screws Phil Pan 18/8 Stainless Black Oxide (MS51957) 1/4-20X7/16

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MS51957-78B | Mil-Spec Machine Screws | Pan Head | Phillips Drive | 18/8 Stainless Steel | Black Oxide | 1/4-20 X 7/16" (1000 / Pkg.)

Mutual ScrewSKU: MS51957-78BKC
Price:
$684.38 $793.88per 1000( $0.68 each)
Pieces 1000
Measurement type Inch
Thread size 1/4-20
Diameter 1/4
Length 7/16
Material Steel
Grade 18/8
Finish Black Oxide
Drive Phillips
Head style Pan
Threads per inch 20
Thread style Fully Threaded
Weight 11.0 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

  • Part number: MS51957
  • Product type: Mil-Spec Machine Screws
  • Material: 18/8 stainless steel
  • Finish: Black oxide
  • Head style: Pan head
  • Drive type: Phillips
  • Thread: 1/4-20 UNC
  • Length: 7/16 inch
  • Quantity: 1000 per package

Features

  • Corrosion resistance: 18/8 stainless steel construction stands up to moisture and many chemicals.
  • Finish performance: Black oxide provides wear resistance and a uniform dark appearance.
  • Head design: Phillips pan head delivers a low-profile, broad bearing surface for secure seating.
  • Drive compatibility: Phillips drive supports quick, common screw driving tools.
  • Thread and fit: 1/4-20 UNC thread with a 7/16 inch length for versatile metal-to-metal and chassis applications.
  • Versatility: Suitable for metal assemblies, enclosures, machinery, and DIY projects.

Physical

  • Material type: Stainless steel 18/8 substrate
  • Finish: Black oxide coating
  • Head: Pan head with broad bearing surface
  • Drive: Phillips
  • Thread / Length: 1/4-20 UNC, 7/16 inch long
  • Packaging: 1000 screws per package
  • Intended use (usage context): Metal assemblies, enclosures, machinery, DIY projects

Industry Used In

  • Metal fabrication shops and general metalworking
  • Electronics enclosure manufacturing and panel assembly
  • Machinery assembly and maintenance
  • Automotive maintenance and repair tasks
  • DIY and hobbyist projects requiring durable stainless fasteners

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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