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Dimensional Tables

Phillips Pan Head
Slotted Pan Head
6-lobe Pan Head
Phillips Flat Head 100°
Phillips Flat Head 82°
Hex Heads
Socket Cap Heads
Socket Button Heads
Socket Flat Heads 82°
6-lobe Flat Heads 82°
Hex Flange Bolts (Serrated)
Hex Nuts
Acorn Nuts

Phillips Pan Head

Thread Size	Max Head Diameter	Max Head Height	Drive Size
0-80	0.116	0.044	Phillips #0
1-72	0.142	0.053	Phillips #1
2-56	0.167	0.062	Phillips #1
4-40	0.238	0.080	Phillips #1
6-32	0.294	0.097	Phillips #2
8-32	0.347	0.115	Phillips #2
10-24 OR 10-32	0.403	0.133	Phillips #2
1/4-20 OR 1/4-28	0.517	0.175	Phillips #3
5/16-18	0.615	0.218	Phillips #4
3/8-16	0.740	0.261	Phillips #4

Phillips Pan Head Sealing Screw

Slotted Pan Head

Thread Size	Max Head Diameter	Max Head Height
0-80	0.116	0.039
1-72	0.142	0.046
2-56	0.167	0.053
4-40	0.219	0.068
6-32	0.270	0.082
8-32	0.322	0.096
10-24 OR 10-32	0.373	0.110
1/4-20 OR 1/4-28	0.492	0.144
5/16-18	0.615	0.178
3/8-16	0.740	0.212

Slotted Pan Head Sealing Screw

6-lobe Pan Head

Thread Size	Max Head Diameter	Max Head Height	Drive Size
0-80	0.116	0.044	T-5
2-56	0.167	0.062	T-8
4-40	0.238	0.080	T-10
6-32	0.294	0.097	T-15
8-32	0.347	0.115	T-20
10-32	0.403	0.133	T-25
1/4-20	0.517	0.175	T-30

6-lobe Pan Head Sealing Screw

Phillips Flat Head 100°

Thread Size	Max Head Diameter	Head Height (REF)	Drive Size
0-80	0.119	0.025	Phillips #0
2-56	0.172	0.030	Phillips #1
4-40	0.225	0.040	Phillips #1
6-32	0.279	0.050	Phillips #2
8-32	0.332	0.060	Phillips #2
10-24 OR 10-32	0.385	0.070	Phillips #2
1/4-20	0.507	0.095	Phillips #3

Phillips Flat Head Sealing Screw

Phillips Flat Head 82°

Thread Size	Max Head Diameter	Head Height (REF)	Drive Size
0-80	0.119	0.025	Phillips #0
2-56	0.172	0.030	Phillips #1
4-40	0.212	0.040	Phillips #1
6-32	0.262	0.050	Phillips #2
8-32	0.312	0.060	Phillips #2
10-24 OR 10-32	0.362	0.070	Phillips #2
1/4-20 OR 1/4-28	0.477	0.095	Phillips #3

Phillips Flat Head Sealing Screw

Hex Heads

Thread Size	Max Width accross the Flats	Max Head Height
4-40	0.188	0.0625
6-32	0.250	0.093
8-32	0.250	0.110
10-24 OR 10-32	0.312	0.125
1/4-20 OR 1/4-28	0.438	0.163
5/16-18 OR 5/16-24	0.500	0.211
3/8-16 OR 3/8-24	0.562	0.243
1/2-13 OR 1/2-20	0.750	0.323

Hex Head Sealing Bolts

Socket Cap Heads

Thread Size	Max Head Diameter	Max Head Height	Hex Socket Size (NOM)
0-80	0.096	0.060	0.050
2-56	0.140	0.086	1/16
4-40	0.183	0.112	3/32
6-32	0.226	0.138	7/64
8-32	0.270	0.164	9/64
10-24 OR 10-32	0.312	0.190	5/32
1/4-20 OR 1/4-28	0.375	0.250	3/16
5/16-18 OR 5/16-24	0.469	0.312	1/4
3/8-16 OR 3/8-24	0.562	0.375	5/16
1/2-13 OR 1/2-20	0.750	0.500	3/8

Socket Cap Sealing Screw

Socket Button Heads

Thread Size	Max Head Diameter	Max Head Height	Hex Socket Size (NOM)
0-80	0.114	0.032	0.035
2-56	0.164	0.046	0.050
4-40	0.213	0.059	1/16
6-32	0.262	0.073	5/64
8-32	0.312	0.087	3/32
10-24 OR 10-32	0.361	0.101	1/8
1/4-20 OR 1/4-28	0.437	0.132	5/32
5/16-18 OR 5/16-24	0.547	0.166	3/16
3/8-16 OR 3/8-24	0.656	0.199	7/32
1/2-13 OR 1/2-20	0.875	0.265	5/16

Socket Button Head Sealing Screw

Socket Flat Heads 82°

Thread Size	Max Head Diameter	Head Height (REF)	Hex Socket Size (NOM)
0-80	0.138	0.025	1/32
2-56	0.197	0.030	0.050
4-40	0.255	0.050	1/16
6-32	0.307	0.060	5/64
8-32	0.359	0.070	3/32
10-24 OR 10-32	0.411	0.080	1/8
1/4-20	0.531	0.100	5/32
5/16-18	0.656	0.120	3/16
3/8-16	0.781	0.150	7/32

Socket Flat Head Sealing Screw

6-lobe Flat Heads 82°

Thread Size	Max Head Diameter	Head Height (REF)	Drive Size
0-80	0.138	0.025	T-3
2-56	0.162	0.030	T-6
4-40	0.212	0.040	T-8
6-32	0.262	0.050	T-10
8-32	0.312	0.060	T-15
10-24 OR 10-32	0.362	0.070	T-20
1/4-20	0.477	0.095	T-27

6-lobe Flat Head Sealing Screw

Hex Flange Bolts (Serrated)

Thread Size	Max Width accross the Flats	Max Head Height	Max Flange Diameter
1/4-20 OR 1/4-28	0.375	0.280	0.560
5/16-18 OR 5/16-24	0.500	0.320	0.680
3/8-16 OR 3/8-24	0.562	0.390	0.810
1/2-13 OR 1/2-20	0.750	0.510	1.07

Hex Flange Sealing Bolts

Hex Nuts

Thread Size	Width across Flats (Basic)	Thickness
2-56	3/16	1/16
4-40	1/4	3/32
6-32	5/16	7/64
8-32	11/32	1/8
10-24 OR 10-32	3/8	1/8
1/4-20 OR 1/4-28	7/16	7/32
5/16-18 OR 5/16-24	1/2	17/64
3/8-16 OR 3/8-24	9/16	21/64
1/2-13 OR 1/2-20	3/4	7/16

Hex Sealing Nuts

Acorn Nuts

Thread Size	Width across Flats (Basic)	Thickness
4-40	1/4	1/4
6-32	5/16	19/64
8-32	5/16	5/16
10-24 OR 10-32	3/8	25/64
1/4-20 OR 1/4-28	7/16	15/32
5/16-18 OR 5/16-24	9/16	17/32
3/8-16 OR 3/8-24	5/8	5/8

Acorn Sealing Nuts

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