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.

Pan head wood screw sizes and dimensions:

INPUT PARAMETERS
Screw Size Number	0 1 2 3 4 5 6 7 8 9 10 12 14 16 18 20 24

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Dimensions of Slotted Pan Head Wood Screws
Parameter		Value
Nominal Size	Number	---
	Decimal	---
Head Diameter	Amax	---
	Amin	---
Head Height	Hmax	---
	Hmin	---
Head Radius	Pmax	---
	Pmin	---
Slot Width	Jmax	---
	Jmin	---
Slot Depth	Tmax	---
	Tmin	---
Fillet Radius	Rmax	---
Dimensions of Phillips (Type I Cross) Recessed Pan Head Wood Screws
Nominal Size	Number	---
	Decimal	---
Head Diameter	Amax	---
	Amin	---
Head Height	Hmax	---
	Hmin	---
Head Radius	Pmax	---
	Pmin	---
Recess Diameter	Mmax	---
	Mmin	---
Recess Depth	Tmax	---
	Tmin	---
Recess Width	Nmin	---
Driver Size	---	---
Recess Penetration Gaging Depth	Max	---
	Min	---
Fillet Radius	Rmax	---
Dimensions of Pozidriv (Type IA Cross) Recessed Pan Head Wood Screws
Nominal Size	Number	---
	Decimal	---
Head Diameter	Amax	---
	Amin	---
Head Height	Hmax	---
	Hmin	---
Head Radius	Pmax	---
	Pmin	---
Recess Diameter	Mmax	---
	Mmin	---
Recess Depth	Tmax	---
	Tmin	---
Recess Width	Nmin	---
Driver Size	---	---
Recess Penetration Gaging Depth	Max	---
	Min	---
Fillet Radius	Rmax	---
Dimensions of Frearson (Type II Cross Recessed) Pan Head Wood Screws
Nominal Size	Number	---
	Decimal	---
Head Diameter	Amax	---
	Amin	---
Head Height	Hmax	---
	Hmin	---
Head Radius	Pmax	---
	Pmin	---
Recess Diameter	Mmax	---
	Mmin	---
Recess Depth	Tmax	---
	Tmin	---
Recess Width	Nmin	---
Driver Size	---	---
Recess Penetration Gaging Depth	Max	---
	Min	---
Fillet Radius	Rmax	---

Supplements:

Reference:

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