Bolt & Screw – Page 9 – Razer | Better, Faster, Easier

Star drive pan head type F (trailer screws)
Type F screws have a thread cutting tip. Pan heads are slightly rounded with short vertical sides. Star drive is a Torx® compatible drive, designed to minimize the risk of cam-out (stripping).
- Zinc plated steel waxed finish
  A low carbon steel for general use. Zinc plated for moderate corrosion resistance. Waxed for easier installation.
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Star drive truss head
Truss heads are wide with a low profile rounded top. Star drive is a Torx® compatible drive, designed to minimize the risk of cam-out (stripping).
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
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Star pin-in button head
Button heads are rounded and low profile. Star pin-in is a tamper resistant drive that requires a special driver to install.
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
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Star pin-in button head
Button heads are rounded and low profile. Star pin-in is a tamper resistant drive that requires a special driver to install.
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
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Star pin-in flat head
Flat heads are countersunk (cone shaped under the head) with a flat top. Star pin-in is a tamper resistant drive that requires a special driver to install.
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
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Star pin-in flat head
Flat heads are countersunk (cone shaped under the head) with a flat top. Star pin-in is a tamper resistant drive that requires a special driver to install.
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
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Structural bolts A325
The most common type of bolt used in structural connections offering a larger diameter hex head.
- Steel plain finish
  A medium carbon steel commonly used in structural connections. Unplated finish.
- Hot dipped galvanized steel
  A medium carbon steel commonly used in structural connections. Hot dipped galvanized (A153) for very good corrosion resistance.
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Structural nuts A194 grade 2H
Suitable for use with A325 structural bolts.
- Steel plain finish
  A medium carbon steel that is quenched and tempered for structural applications. Unplated finish.
- Hot dipped galvanized steel
  A medium carbon steel that is quenched and tempered for structural applications. Hot dipped galvanized (A153) for very good corrosion resistance.
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Structural nuts A563 grade DH
Suitable for use with A325 structural bolts.
- Steel plain finish
  A carbon steel that is quenched and tempered for structural applications. Unplated finish.
- Hot dipped galvanized steel blue waxed finish
  A carbon steel that is quenched and tempered for structural applications. Hot dipped galvanized (A153) for very good corrosion resistance.
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T-Nuts
A type of nut used to create internal machine threads in wood or similar materials.
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
- Zinc plated steel
  A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
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Tap bolts
A full thread bolt with a six sided head.
- Stainless steel 18-8
  The most common stainless steel for general hardware use.
- Zinc plated steel
  A low carbon steel for general use, either Grade 2 or A307A. Zinc plated for moderate corrosion resistance.
- Zinc plated grade 5 steel
  A tempered medium carbon steel. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications. Zinc plated for moderate corrosion resistance.
- Silicon bronze
  Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.
- Nylon 6/6
  A general purpose nylon often used in fasteners for corrosion resistance.
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Timber bolts
Timber bolts have an oversized head to eliminate the need for a washer, and fins to resist spinning during installation.
- Hot dipped galvanized steel
  A low carbon steel for general use. Hot dipped galvanized (A153) for very good corrosion resistance.
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