5/16"-18 X 2-1/2" Tamper Resistant Machine Screws | Flat Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)
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5/16"-18 X 2-1/2" Tamper Resistant Machine Screws | Flat Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)

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5/16"-18 X 2-1/2" Tamper Resistant Machine Screws | Flat Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 3140SMF
Price:
$137.52per 100( $1.38 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 2-1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Spanner
Head style Flat
Threads per inch 18
Weight 1.0 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

Industrial fasteners engineered for reliable, flush mounting in metal assemblies.

Stainless steel construction delivers corrosion resistance and long service life in harsh environments.

Specs

  • Dimensions: Diameter 5/16 inches; Length 2-1/2 inches
  • Drive Type: Spanner
  • Material Grade: 304 Stainless Steel
  • Thread Type: UNC 5/16-18

Features

  • Corrosion Resistance: 304 stainless steel provides durable rust and oxidation resistance in industrial environments.
  • Flush Mounting: Flat head design enables countersunk installation for a smooth exterior on equipment housings and control panels.
  • Secure Engagement: Spanner drive supports reliable torque transfer with compatible tools, minimizing camming and tool slippage.
  • Standard Thread Form: UNC 5/16-18 matches common machine screw hardware for modular, maintainable assemblies.
  • Applications: Suitable for machinery enclosures, control panels, electrical switchgear, and equipment frames where a low-profile fastener is required.

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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