Pan Head

Flat Head

Round Head

Oval Head

Fillister Head

Binding Head

Truss Head

Holt Head

One-Way Head

Phillips Finishing Washer Head

Washer Head

Flat and Oval Heads (Undercut)

Flat Head (100 degrees Countersunk)

Square Shoulder Screws

Indented Hexagon

Indented Hexagon Washer Head

Acorn Head (Full Undercut)

Hexagon Head (Trimmed)

Type U Welding Screw

Flat Head Welding Screw

Type T Welding Screw



Bolt & Screw Heads Reference


© 2002 Mil-Spec Fasteners. All Rights Reserved.

Use the menu on your left to view more information about specific types of bolt & screw heads or click here to view a printable version of the bolt & screw heads reference.