规格	F	G	H	T	S
	WIDTH ACROSS FLATS	WIDTH ACROSS CORNERS	THICKNESS	UNSLOTTED THICKNESS	WIDTH OF SLOT
1/4	7/16	0.505	7/32	0.14	0.10
5/16	1/2	0.577	17/64	0.18	0.12
3/8	9/16	0.650	21/64	0.21	0.15
7/16	11/16	0.794	3/8	0.23	0.15
1/2	3/4	0.868	7/16	0.29	0.18
9/16	7/8	1.010	31/64	0.31	0.18
5/8	15/16	1.083	35/64	0.34	0.24
3/4	1-1/8	1.299	41/64	0.40	0.24
7/8	1-5/16	1.516	3/4	0.52	0.24
1	1-1/2	1.732	55/64	0.59	0.30
1-1/8	1-11/16	1.949	31/32	0.64	0.33
1-1/4	1-7/8	2.165	1-1/16	0.70	0.40
1-3/8	2-1/16	2.382	1-11/64	0.82	0.40
1-1/2	2-1/4	2.598	1-9/32	0.86	0.46