Related Resources: hardware

ANSI Wood Screws per. ANSI B18.6.1

ANSI Hardware Design and Guide

 

ANSI Flat, Pan, and Oval Head Wood Screws per. ANSI B18.6.1 Size Table

Related:

ANSI Flat, Pan, and Oval Head Wood Screws per. ANSI B18.6.1 Size Table #2

Flat Head Screw
Flat Head Screw

Pan Head Screw
Pan Head Screw

 

Oval Head Screw
Oval Head Screw

ANSI Flat Head Screw, Pan Head Screw, and Oval Head Wood Screws per. ANSI B18.6.1 Size Table

 

 

Nom.
Size
Threads
per
inch
Da
Basic
Dia.
of
Screw
J
Width
of
Slot
A
Head
Diameter
B
Head
Diameter
P
Head
Radius
Max.

H
Height
of
Head
Ref.

Max.,

Sharp
Edge

Min.,
Edge
Rounded
or
Flat

Max.
Min.
Max.
Min.
0
32
.060
.023
.016
.119
.099
.116
.104
.020
.035
1
28
.073
.026
.019
.146
.123
.142
.130
.025
.043
2
26
.086
.031
.023
.172
.147
.167
.155
.035
.051
3
24
.099
.035
.027
.199
.171
.193
.180
.037
.059
4
22
.112
.039
.031
.225
.195
.219
.205
.042
.067
5
20
.125
.043
.035
.252
.220
.245
.231
.044
.075
6
18
.138
.048
.039
.279
.244
.270
.256
.046
.083
7
16
.151
.048
.039
.305
.268
.296
.281
.049
.091
8
15
.164
.054
.045
.332
.292
.322
.306
.052
.100
9
14
.177
.054
.045
.358
.316
.348
.331
.056
.108
10
13
.190
.060
.050
.385
.340
.373
.357
.061
.116
12
11
.216
.067
.056
.438
.389
.425
.407
.078
.132
14
10
.242
.075
.064
.507
.452
.492
.473
.087
.153
16
9
.268
.075
.064
.544
.485
.528
.508
.094
.164
18
8
.294
.084
.072
.635
.568
.615
.594
.099
.191
20
8
.320
.084
.072
.650
.582
.631
.608
.121
.196
24
7
.372
.094
.081
.762
.685
.740
.716
.143
.230

a Diameter Tolerance: Equals + 0.004 in. and − 0.007 in. for cut threads.