3-Prong T-Nuts
Thread Size	Barrel Height(H)	Flange Dia(G)	Barrel Dia(F)	Prong Height(A)	Material Thickness	Drill Size
6-32	1/4	1/2	.188	1/8	.035	13/64
8-32	1/4	23/32	.208	7/32	.030	7/32
10-24	5/16	3/4	.243	7/32	.040	1/4
10-24	7/16	3/4	.243	5/16	.040	1/4
10-32	5/16	3/4	.243	7/32	.040	1/4
10-32	7/16	3/4	.243	5/16	.040	1/4
¼-20	1/4	3/4	.305	3/16	.047	5/16
¼-20	5/16	3/4	.305	7/32	.047	5/16
¼-20	3/8	3/4	.305	1/4	.047	5/16
¼-20	7/16	3/4	.305	5/16	.047	5/16
¼-20	1/2	3/4	.305	7/32-1/4	.047	5/16
¼-20	9/16	3/4	.305	1/4	.047	5/16
5/16-18	5/16	7/8	.360	9/32	.047	3/8
5/16-18	3/8	7/8	.390	1/4	.063	25/64
5/16-18	7/16	7/8	.390	1/4	.063	13/32
5/16-18	5/8	7/8	.390	5/16	.063	25/64
3/8-16	5/16	1	.420	9/32	.063	27/64
3/8-16	7/16	1	.440	11/32	.063	29/64

 

 

4-Prong T-Nuts
Thread Size	Barrel Height(H)	Flange Dia(G)	Barrel Dia(F)	Prong Height(A)	Material Thickness	Drill Size
6-32	1/4	1/2	.188	1/8	.035	13/64
8-32	1/4	1/2	.208	1/8	.035	7/32
10-24	5/16	3/4	.243	7/32	.040	1/4
10-24	7/16	23/32	.243	7/32	.040	1/4
10-32	5/16	3/4	.243	7/32	.040	1/4
¼-20	1/4	3/4	.305	7/32	.047	5/16
¼-20	5/16	3/4	.305	7/32	.047	5/16
¼-20	3/8	3/4	.305	7/32	.047	5/16
¼-20	7/16	3/4	.305	1/4	.047	5/16
¼-20	1/2	3/4	.305	7/32	.047	5/16
¼-20	9/16	3/4	.305	1/4	.047	5/16
5/16-18	5/16	7/8	.360	9/32	.047	3/8
5/16-18	3/8	7/8	.390	1/4	.063	25/64
5/16-18	7/16	7/8	.360	1/4	.047	3/8
5/16-18	1/2	7/8	.390	1/4	.063	13/32
5/16-18	5/8	7/8	.375-.390	1/4 -5/16	.060-.063	3/8,25/64
3/8-16	5/16	1	.440	9/32	.063	27/64
3/8-16	7/16	1	.440	11/32	.063	29/64