PAN HEAD WOOD SCREW SIZES

Pan head wood screw sizes and dimensions for slotted, Phillips, Frearson and Pozidriv drives are shown in the following charts according to ANSI B18.6.1-1981 standard.

The slotted pan head shall have a flat or slightly rounded top surface rounding into cylindrical sides and a flat bearing surface. The recessed pan head shall have a rounded top surface blending into cylindrical sides and a flat bearing surface

The designation of pan head wood screws shall be in following format: Nominal size; product name, including head style and driving provision; material; and finish. Ex: 6 x 6/8 Slotted Pan Head Wood Screw, Steel

- Standard lengths of wood screws are given below.

Nominal Screw Length Nominal Length Increment Tolerance on Length
Plus Minus
Up to 5/8 in., incl 1/8 0 0.03
Over 5/8 to 1 in., incl 1/8 0 0.05
Over 1 to 1 1/2 in., incl 1/4 0 0.05
Over 1 1/2 to 2 3/4 in., incl 1/4 0 0.06
Over 2 3/4 in 1/2 0 0.09


Calculator:

INPUT PARAMETERS
Screw Size Number

 


Dimensions of Slotted Pan Head Wood Screws
Dimensions of Slotted Pan Head Wood Screws
Nominal
Size
Head
Diameter
Head
Height
Head
Radius
Slot
Width
Slot
Depth
Fillet
Radius
No. Decimal Amax Amin Hmax Hmin Pmax Pmin Jmax Jmin Tmax Tmin Rmax
--- --- --- --- --- --- --- --- --- --- --- --- ---
Dimensions of Phillips (Type I Cross) Recessed Pan Head Wood Screws
Dimensions of Phillips (Type I Cross) Recessed Pan Head Wood Screws
Nominal
Size
Head
Diameter
Head
Height
Head Radius Recess
Diameter
Recess
Depth
Recess Width Driver Size Recess Penetration Gaging Depth Fillet
Radius
No. Decimal Amax Amin Hmax Hmin Pmax Pmin Mmax Mmin Tmax Tmin Nmin Max Min Rmax
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Dimensions of Pozidriv (Type IA Cross) Recessed Pan Head Wood Screws
Dimensions of Pozidriv (Type IA Cross) Recessed Pan Head Wood
Nominal
Size
Head
Diameter
Head
Height
Head Radius Recess
Diameter
Recess
Depth
Recess Width Driver Size Recess Penetration Gaging Depth Fillet
Radius
No. Decimal Amax Amin Hmax Hmin Pmax Pmin Mmax Mmin Tmax Tmin Nmin Max Min Rmax
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Dimensions of Frearson (Type II Cross Recessed) Pan Head Wood Screws
Dimensions of Frearson (Type II Cross Recessed) Pan Head Wood Screws
Nominal
Size
Head
Diameter
Head
Height
Head Radius Recess
Diameter
Recess
Depth
Recess Width Driver Size Recess Penetration Gaging Depth Fillet
Radius
No. Decimal Amax Amin Hmax Hmin Pmax Pmin Mmax Mmin Tmax Tmin Nmin Max Min Rmax
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---




Supplements:



Link Usage
Wood Screw Sizes Wood screw sizes and thread dimensions according to ANSI B18.6.1-1981 standard.

Reference:
  • ANSI B18.6.1 - 1981, Wood Screws (INCH SERIES)