#4-40 x 5/16" Type F Thread Cutting Screws / Phillips / Flat Undercut Head / 18-8 Stainless Steel / Black Oxide
- Stainless Steel
- 18-8
- Black Oxide
- 40 TPI · Coarse
- ASME B18.6.3
$139.02
$0.278 / pc
Package of 500
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Product Description
#4-40 x 5/16" Type F Thread Cutting Screws / Phillips / Flat Undercut Head / 18-8 Stainless Steel / Black Oxide
RoHS CompliantStainless
Frequently Asked Questions
How corrosion-resistant is this stainless steel fastener?
Stainless steel fasteners resist rust and corrosion in most environments. For specific corrosion requirements, consult our engineering team or the appropriate ASTM specification.
Does Black Oxide finish provide corrosion protection?
Black Oxide provides mild corrosion resistance through a controlled oxidation process. It is dimensionally stable (no plating buildup), will not chip or flake, and is suitable for indoor use. For outdoor or wet environments, additional oil coating or a different finish (zinc, stainless) is recommended.
$139.02
$0.278/pc
Type F Thread Cutting Screws / Phillips / Flat Undercut Head
Family: FPU188B
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Technical Specifications
Thread Size
#4-40
Length
5/16"
Thread Type
Coarse
Material
Stainless Steel
Grade
18-8
Finish
Black Oxide
Drive
Phillips
Head Style
Flat Undercut Head
Standard
ASME B18.6.3
Country of Origin
Import
Thread Pitch
40 TPI
Thread Class
Coarse
Point Type
Blunt Tapered
RoHS Compliance
RoHS Compliant
Measurement System
Inch
SKU
0405FPU188B-500