Phillips Pan Sheet Metal Screws

Phillips Pan Sheet Metal Screws

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Phillips Pan Sheet Metal Screws

Sheet metal screws or tapping screws are designed to bind sheet metal to wood and sometimes fiberglass. Manufactured with a sharper, more pronounced thread that allows the screw to better tap or penetrate metal surfaces.

Phillips Pan Sheet Metal Screws Zinc
Nominal Size	Head Diameter		Height of Head		Dimensions of Recess				Phillips Driver Size
	Head Diameter		Recessed		Diameter		Depth	Width
	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.
2	.167	.155	.062	.053	.104	.091	.059	.017	1
3	.193	.180	.071	.062	.112	.099	.068	.019	1
4	.219	.205	.080	.070	.122	.109	.078	.019	1
5	.245	.231	.089	.079	.158	.145	.083	.028	2
6	.270	.256	.097	.087	.166	.153	.091	.028	2
7	.296	.281	.106	.096	.176	.163	.100	.029	2
8	.322	.306	.115	.105	.182	.169	.108	.030	2
10	.373	.357	.133	.122	.199	.186	.124	.031	2
12	.425	.407	.151	.139	.259	.246	.141	.034	3
14	.476	.457	.169	.156	.281	.268	.148	.036	3
1/4	.492	.473	.175	.162	.281	.268	.161	.036	3
5/16	.615	.594	.218	.203	.350	.337	.193	.059	4
3/8	.740	.716	.261	.244	.389	.376	.233	.065	4

Type AB Threads for Self Tapping/Sheet Metal Screws
Diameter		Threads Per Inch	Major Diameter		Minor Diameter		Minimum Practical Screw Length
Diameter		Threads Per Inch	Max.	Min.	Max.	Min.	90^o Heads	Countersunk Heads
2	.0860	32	.088	.082	.064	.060	3/16	7/32
3	.0990	28	.101	.095	.075	.071	3/16	1/4
4	.1120	24	.114	.108	.086	.082	7/32	9/32
5	.1250	20	.130	.123	.094	.090	1/4	5/16
6	.1380	20	.139	.132	.104	.099	9/32	11/32
7	.1510	19	.154	.147	.115	.109	5/16	3/8
8	.1640	18	.166	.159	.122	.116	5/16	3/8
10	.1900	16	.189	.182	.141	.135	3/8	7/16
12	.2160	14	.215	.208	.164	.157	7/16	21/32
1/4	.2500	14	.246	.237	.192	.185	1/2	19/32