What is a slotted Screw used for?

 The slotted screw is a screw fastener with a single groove across the diameter of the head. The slotted screw is commonly found in existing products and installations, along with use in simple carpentry work and in applications where minimal torque is needed. Slot screws are also used in the restoration of antique furniture, vehicles, and equipment. also, We may need to know Slotted Screw Dimensions Size Chart when we look for Slotted screws, The slotted screw thread is a very common groove drive and this type of drive is used in many types screws, such as machine screws, self-tapping screws, self-drilling screw. The screw has a lot of dimensions, head shape, and thread type. below list is some common Slotted Screw Size Chart Demension

Flat Countersunk Head Machine Slotted Screw Size Chart

Thread Size(d)			0000#	0000#	00#	0#	1#	2#	3#	4#	5#	6#	8#
d	Nominal Size		0.021	0.034	0.047	0.06	0.073	0.086	0.099	0.112	0.125	0.138	0.164
PP	UNC		–	–	–	–	64	56	48	40	40	32	32
L ②			–	–	–	1/8	1/8	1/8	1/8	3/16	3/16	3/16	1/4
dk	max		0.04	0.06	0.087	0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.312
	min		0.035	0.055	0.08	0.096	0.12	0.144	0.167	0.191	0.215	0.238	0.285
k	Ref		0.011	0.016	0.028	0.035	0.043	0.051	0.059	0.067	0.075	0.083	0.1
n	max		0.008	0.011	0.017	0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.054
	min		0.004	0.007	0.01	0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.045
t	max		0.007	0.009	0.014	0.015	0.019	0.023	0.027	0.03	0.034	0.038	0.045
	min		0.003	0.005	0.009	0.01	0.012	0.015	0.017	0.02	0.022	0.024	0.029

Thread Size (d)			10#	12#	1/4	5/16	3/8	7/16	1/2	9/16	5/8	3/4
d	Nominal Size		0.19	0.216	0.25	0.3125	0.375	0.4375	0.5	0.5625	0.625	0.75
PP	UNC		24	24	20	18	16	14	13	12	11	10
L ②			5/16	3/8	7/16	1/2	9/16	5/8	3/4	–	–	–
dk	max		0.362	0.412	0.477	0.597	0.717	0.76	0.815	0.932	1.05	1.285
	min		0.333	0.38	0.442	0.556	0.67	0.715	0.765	0.878	0.99	1.215
k	Ref		0.116	0.132	0.153	0.191	0.23	0.223	0.223	0.26	0.298	0.372
n	max		0.06	0.067	0.075	0.084	0.094	0.094	0.106	0.118	0.133	0.149
	min		0.05	0.056	0.064	0.072	0.081	0.081	0.091	0.102	0.116	0.131
t	max		0.053	0.06	0.07	0.088	0.106	0.103	0.103	0.12	0.137	0.171
	min		0.034	0.039	0.046	0.058	0.07	0.066	0.065	0.077	0.088	0.111

Countersunk slotted raised head screws Size Chart

Screw Thread(d)			M1.6	M2	M2.5	M3	M3.5	M4	M5	M6	M8	M10
P	Pitch		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1.25	1.5
a	max		0.7	0.8	0.9	1	1.2	1.4	1.6	2	2.5	3
dk	Theoretical	max	3.6	4.4	5.5	6.3	8.2	9.4	10.4	12.6	17.3	20
	Actual	max=nominal size	3	3.8	4.7	5.5	7.3	8.4	9.3	11.3	15.8	18.3
		min	2.7	3.5	4.4	5.2	6.94	8.04	8.94	10.87	15.37	17.78
f	≈		0.4	0.5	0.6	0.7	0.8	1	1.2	1.4	2	2.3
k	max=nominal size		1	1.2	1.5	1.65	2.35	2.7	2.7	3.3	4.65	5
n	Nominal Size		0.4	0.5	0.6	0.8	1	1.2	1.2	1.6	2	2.5
	max		0.6	0.7	0.8	1	1.2	1.51	1.51	1.91	2.31	2.81
	min		0.46	0.56	0.66	0.86	1.06	1.26	1.26	1.66	2.06	2.56
r	max		0.4	0.5	0.6	0.8	0.9	1	1.3	1.5	2	2.5
R	≈		3	4	5	6	8.5	9.5	9.5	12	16.5	19.5
t	max		0.8	1	1.2	1.45	1.7	1.9	2.4	2.8	3.7	4.4
	min		0.64	0.8	1	1.2	1.4	1.6	2	2.4	3.2	3.8
x	max		0.9	1	1.1	1.25	1.5	1.75	2	2.5	3.2	3.8

Hexagon Socket Set Screws With Dog Point Size Chart

Thread Size(d)		M1.4	M1.6	M1.8	M2	M2.5	M3	M4	M5	M6
dp		0.7	0.7	0.8	1	1.5	2	2.5	3.5	4
s	Nominal Size	0.7	0.7	0.7	0.9	1.3	1.5	2	2.5	3
	max	0.724	0.724	0.724	0.9125	1.295	1.545	2.045	2.56	3.06
	min	0.71	0.71	0.71	0.8875	1.27	1.52	2.02	2.52	3.02
t	min	1.4	1.5	1.6	1.6	2	2	2.5	3	3.5
z	short	0.5	0.5	0.6	0.75	1	1.2	1.5	1.5	1.7
	Long	1	1	1.2	1.5	2	2.5	3	3	3.5
e		0.8	0.8	0.8	1.05	1.5	1.8	2.3	2.9	3.5

Thread Size(d)		M8	M10	M12	M14	M16	M18	M20	M22	M24
dp		5.5	7	8.5	10	12	13	15	17	18
s	Nominal Size	4	5	6	6	8	10	10	12	12
	max	4.068	5.068	6.095	6.095	8.115	10.115	10.115	12.142	12.142
	min	4.02	5.02	6.02	6.02	8.025	10.025	10.025	12.032	12.032
t	min	5	6	8	8	10	12	12	15	15
z	short	2.5	2.7	3.5	3.5	4.5	4.5	4.5	5.5	5.5
	Long	5	5.5	7	7	9	9	9	11	11
e		4.7	5.8	7	7	9.4	11.7	11.7	14	14

 Knurled Thumb Slotted Screws With Waisted Shank Size Chart

Screw Thread(d)		M3	M4	M5	M6	M8	M10
P	pitch	0.5	0.7	0.8	1	1.25	1.5
ds	max	2	2.8	3.5	4.5	5.5	7
	min	1.86	2.66	3.32	4.32	5.32	6.78
dk	before knurled( max )	5	8	9	11	14	17
	min	4.82	7.78	8.78	10.73	13.73	16.73
k	max	4.5	6.5	7	10	12	13.5
	min	4.32	6.32	6.78	9.64	11.57	13.07
n	Nominal Size	0.8	1.2	1.2	1.6	2	2.5
	max	1	1.51	1.51	1.91	2.31	2.81
	min	0.86	1.26	1.28	1.66	2.06	2.56
t	min	0.7	1	1.2	1.4	1.9	2.4
b	thread length	4	6	8	10	12	15
r	min	0.1	0.2	0.2	0.25	0.4	0.4
h		1	1.5	1.5	2	2.5	2.5
B	≈	1	1.5	1.5	2	2.5	3
R	≈	0.5	0.75	0.75	1	1.25	1.5
c		1	1.2	1.6	2	2.5	3
c1		0.3	0.3	0.5	0.5	0.8	0.8

Slotted Pan Captive Screw Bolt Size Chart

Thread Size (d)		M3	M4	M5	M6	M8	M10
P	Thread Pitch	0.5	0.7	0.8	1	1.25	1.5
b1	0 ~ +2P Type K	3.8	5	6.25	7.5	10	12.5
	Type L	12	14	16	18	22	26
b2	0 ~ +2P Type K	4.5	6	7.55	8.5	11.2	14.3
	Type L	12.7	15	17.3	19	23.2	27.8
r	min	0.1	0.2	0.2	0.25	0.4	0.4
ds	max	2.3	3	3.9	4.6	6.2	7.7
	min	2.1	2.8	3.7	4.4	6	7.5
dk	max=nominal size	6	8	10	12	16	20
	min	5.7	7.64	9.64	11.57	15.57	19.48
k	max=nominal size	1.8	2.4	3	3.6	4.8	6
	min	1.6	2.15	2.75	3.3	4.5	5.7
n	Nominal Size	0.8	1.2	1.2	1.6	2	2.5
	min	0.86	1.26	1.26	1.66	2.06	2.56
	max	1	1.51	1.51	1.91	2.31	2.81
t	min	0.7	1	1.2	1.4	1.9	2.4

Types of Slotted Screw

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