1"-8 Hex Cap Screws 304 Stainless Steel

1"-8 Stainless Steel Hex Cap Screws

Diameter - Thread Pitch: 1" - 8


  • 1"-8
  • Hexagon head designed to be driven by a wrench or socket
  • Also called hex cap bolts, hex bolts, tap bolts or hex cap screws
  • 18-8 Stainless steel hex cap screws offer protection from weather and corrosive environments
  • Rust resistant in freshwater environments
  • For saltwater environments use the 316 stainless steel version

A hex cap screw in smaller sizes may not have a shoulder. When a hex cap screw is fully threaded it can also be referred to as a tap bolt.

Hex Bolts are measured as: Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded


** 1"-8 Hex Cap Screws listed as PT, usually have a threaded portion of about 2-1/4".
However, this can vary slightly from manufacturer to manufacturer.

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Product Specifications
Across Flats (Width)
1-1/2" (Max 1.500 - Min 1.469)
Body Diameter
1" (Max 1.00 - 0.99)
Color
Silver
Corrosion Resistant
Yes
Diameter
1"
Drive Style
External Hex
Grade
304
Head Height Max
0.627
Head Style
Hex
Material
Stainless Steel
Overall Head Height
Basic 39/64", Max 0.627 - Min 0.591
Product Type
Hex Cap Screws
Standards Met
ASME B18.2.1
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Pitch (Count)
8 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Width Across Corners
Max 1.732- Min 1.675
Wrench Size
1-1/2"