1/4"-28 Hex Cap Screws 18-8 Stainless Steel

1/4"-28 Stainless Steel Hex Cap Screws

Diameter - Thread Pitch: 1/4" - 28


  • 1/4"-28
  • Hexagon head designed to be driven by a wrench or socket
  • Called hex cap bolts or hex cap screws
  • 18-8 Stainless steel hex cap screws offer protection from weather and corrosive environments
  • Rust resistant in fresh water environments
  • For salt water environments use the 316 stainless steel version

Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded

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Product Specifications
Across Flats (Width)
7/16", Max 0.437 - Min 0.428
ASME
B18.2.1
Body Diameter
1/4" (Max 0.250 - Min 0.245)
Color
Silver
Corrosion Resistant
Yes
Diameter
1/4"
Drive Style
External Hex
Head Height Max
0.032
Head Style
Hex
Material
Stainless Steel 18-8
Product Type
Hex Cap Screws
Standards Met
ASME B18.2.1
Thread Direction
Right Hand
Thread Length Max
1/4" Diameter Hex Cap Screws 1-1/4" in length and up will have a shoulder (partial thread).
Thread Pitch (Count)
28
Thread Standard
UNF
Thread Type
Fine
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Width Across Corners
Max 0.505 - Min 0.488
Wrench Size
7/16"
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Size
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