Socket Head Products

All types of Alloy steel Socket products are available in imported and Indian brands generally in 12.9 grade in black finish. These can be arranged in 8.8 and 10.9 grades and in other finishes also against order.

Socket products consist of;

Allen Cap Screws/Bolts

M2 x 4mm to M42 x 500 generally conforming to IS 2269-2006, DIN 912 & ISO 4762
1/8” BSW x 3/8” to 1" x 12" generally conforming to BS 2470-1973
1/4” UNC x 1/2” to 1" x 12" generally conforming to BS 2470-1973

Allen CSK Screws

M2 x 3mm to M24 x 150 generally conforming to IS 6761-1994, DIN 7991 & ISO 10642
1/4" BSW/UNC x 5/8" x 3" generally conforming to BS 2470-1973

Button Head Screws

M3 x 4mm to M12 x 50 generally conforming to ISO 7380 & DIN 9427

Socket Set Screws (Grub Screws)

M3 x 3mm to M20 x 50 generally conforming to IS 6094-2006, DIN 916 & ISO 4029
3/16" BSW x 3/16" to 5/8" x 1 1/2" generally conforming to BS 2470-1973

Low head Socket screws

M4 x 8mm to M20 x 100 generally conforming to DIN 7984 & 6912

All of the above are also available in fine threads like UNF and BSF and can be provided against order.

IMPORTANT DIMENSIONS OF SOCKET PRODUCTS AS SPECIFIED IN THE RELEVANT SPECIFICATIONS ARE PROVIDED BELOW FOR GUIDANCE ONLY

Allen Cap Bolts/Screws As Per IS 2269-2006, ISO 4762 : 2004 (Din 912) With Threads To Tolerance Class 5g6g To IS 14962 (Part 3) 2001 (ISO 965-3: 1998)

All dimensions in mm

SIZE	M3	M4	M5	M6	M8	M10	M12	M14	M16	M20	M24
PITCH	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	3
Key Size	2.5	3	4	5	6	8	10	12	14	17	19
DIA of Head (d2) Max Min	5.5	7	8.5	10	13	16	18	21	24	30	36
DIA of Head (d2) Max Min	5.32	6.78	8.28	9.78	12.73	15.73	17.73	20.67	23.67	29.67	35.61
Head Height (K) Max Min	3	4	5	6	8	10	12	14	16	20	24
Head Height (K) Max Min	2.86	3.82	4.82	5.70	7.64	9.64	11.57	13.57	15.57	19.48	23.48
Socket Depth Min	1.3	2	2.5	3	4	5	6	7	8	10	12
Min thread length	18	20	22	24	28	32	36	40	44	52	60
Dia at thread Max	2.98	3.978	4.976	5.974	7.972	9.968	11.966	13.962	15.962	19.958	23.952
Dia at thread Min	2.874	3.838	4.826	5.794	7.76	9.732	11.701	13.682	15.682	19.623	23.577

All dimensions in mm

SIZE	M30	M36	M42	M48	M56	M64
PITCH	3.5	4	4.5	5	5.5	6
Key Size	22	27	32	38	41	46
DIA of Head (d2) Max Min	45	54	63	72	84	96
DIA of Head (d2) Max Min	44.61	53.54	62.54	71.54	83.46	95.46
Head Height (K) Max Min	30	36	42	48	56	64
Head Height (K) Max Min	29.48	35.38	41.38	47.38	55.26	63.26
Socket Depth Min	15.5	19	24	28	34	38
Min thread length	72	84	96	108	124	140
Dia at thread Max	29.947	35.94	41.957	47.929	55.925	63.92
Dia at thread Min	29.522	35.465	41.437	47.399	55.365	63.32

ALLEN CAP BOLTS/SCREWS AS PER BS 2470-1973 (UNC/UNF)

All dimensions in inches

SIZE	3/16”	¼”	5/16”	3/8”	½”	5/8”	¾”	1”
PITCH(TPI) UNC	24	20	18	16	13	11	10	8
PITCH(TPI) UNF	32	28	24	24	20	18	16	12
Key Size	5/32”	3/16”	7/32”	5/16”	3/8”	½”	9/16”	5/8”
DIA of Head (d2) Max	0.312	0.375	0.437	0.562	0.750	0.875	1.000	1.312
Head Height (K) Max	0.190	0.250	0.312	0.375	0.500	0.625	0.750	1.000
Socket Depth Min	0.090	0.120	0.151	0.182	0.245	0.307	0.370	0.495
Min thread length	7/8”	1”	1 1/8”	1 ¼”	1 ½”	1 ¾”	2”	2 ½”

ALLEN CAP BOLTS/SCREWS AS PER BS 2470-1973 (BSW/BSF)

All dimensions in inches

SIZE	3/16”	¼”	5/16”	3/8”	7/16”	½”	5/8”	¾”	7/8”	1”
PITCH (TPI) BSW	24	20	18	16	14	12	11	10	9	8
PITCH (TPI) BSF	32	26	22	20	18	16	14	12	11	10
Key Size	5/32”	3/16”	7/32”	5/16”	5/16”	3/8”	½”	9/16”	9/16”	5/8”
DIA of Head (d2) Max	0.312	0.375	0.437	0.562	0.625	0.750	0.875	1.000	1.125	1.312
Head Height (K) Max	0.187	0.250	0.312	0.375	0.437	0.500	0.625	0.750	0.875	1.000
Socket Depth Min	0.089	0.120	0.151	0.182	0.213	0.245	0.307	0.370	0.432	0.495
Min thread length	7/8”	1”	1 1/8”	1 ¼”	1 3/8”	1 ½”	1 ¾”	2	2 ¼”	2 ½”

Allen Csk Head Screws To IS 6761-1994, ISO 10642 (Din 7991) With Threads To Tolerance Class 5g6g To IS 14962 (Part 3) 2001 (ISO 965-3: 1998)

All dimensions in mm

SIZE	M3	M4	M5	M6	M8	M10	M12	M14	M16	M18	M20
PITCH	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
Key Size	2	2.5	3	4	5	6	8	10	10	12	12
DIA of Head (d2) Min	5.7	7.64	9.64	11.57	15.57	19.48	23.48	26.48	29.48	32.38	35.38
d2 Max	6	8	10	12	16	20	24	27	30	33	36
Head Height (K) Nom	1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5
Socket Depth t Min	0.95	1.55	2.05	2.25	3.2	4.1	4.3	4.5	5	5.2	5.6
t Max	1.2	1.8	2.3	2.5	3.5	4.4	4.6	4.8	5.3	5.5	5.9
Thread length	Full
Dia at thread Max	2.98	3.978	4.976	5.974	7.972	9.968	11.966	13.962	15.962	17.958	19.958
Dia at thread Min	2.874	3.838	4.826	5.794	7.76	9.732	11.701	13.682	15.682	17.623	19.623

ALLEN CSK HEAD SCREWS TO BS 2470-1973 (UNC/UNF)

All dimensions in inches

SIZE	3/16”	¼”	5/16”	3/8”	½”	5/8”
PITCH (TPI) UNC	24	20	18	16	13	11
PITCH (TPI) UNF	32	28	24	24	20	18
Key Size	1/8”	5/32”	3/16”	7/32”	5/16”	3/8”
DIA of Head (d2) Min	0.359	0.476	0.589	0.704	0.857	1.065
Head Height (K) ref	0.131	0.167	0.205	0.241	0.260	0.335
Socket Depth Min	0.087	0.111	0.135	0.159	0.172	0.220
Min thread length	7/8”	1”	1 1/8”	1 ¼”	1 ½”	1 ¾”

ALLEN CSK HEAD SCREWS TO BS 2470-1973 (BSW/BSF)

All dimensions in inches

SIZE	3/16”	¼”	5/16”	3/8”	½”	5/8”
PITCH (TPI) BSW	24	20	18	16	12	11
PITCH (TPI) BSF	32	26	22	20	16	14
Key Size	3/32”	5/32”	3/16”	7/32”	5/16”	3/8”
DIA of Head (d2) Min	0.323	0.432	0.542	0.651	0.870	1.089
Head Height (K) ref	0.084	0.112	0.140	0.168	0.225	0.281
Socket Depth Min	0.065	0.093	0.105	0.125	0.165	0.220
Min thread length	7/8”	1”	1 1/8”	1 ¼”	1 ½”	1 ¾”

BUTTON HEAD SOCKET SCREWS TO ISO 7380 & DIN 9427

All dimensions in mm

SIZE	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16
PITCH	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2
Key Size	1.3	1.5	2	2.5	3	4	5	6	8	10
DIA of Head (d2) Max	3.5	4.5	5.7	7.6	9.5	10.5	14	17.5	21	28
DIA of Head (d2) Min			5.4	7.24	9.14	10.07	13.57	17.07	20.48	27.48
Head Height (K) Max	1.3	1.5	1.65	2.20	2.75	3.30	4.40	5.50	6.60	8.80
Head Height (K) Min			1.40	1.95	2.50	3	4.05	5.20	6.24	8.44
Socket Depth Min	0.6	0.8	1.04	1.30	1.56	2.08	2.60	3.12	4.16	5.20
Min thread length	-	-	18	20	22	24	28	32	36	44

HEXAGONAL SOCKET SET SCREWS (GRUB SCREWS) With cup point TO IS 6094(PART 4)2006, ISO 4029 : 2003 (DIN 916)

All dimensions in mm

SIZE	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16	M20	M24
PITCH	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2.5	3
Key Size	0.9	1.3	1.5	2	2.5	3	4	5	6	8	10	12
Socket Depth Min	1.7	2	2	2.5	3	3.5	5	6	8	10	12	15

SOCKET SET SCREWS (GRUB SCREWS) BSW/BSF/UNC/UNF TO BS 2470-1973

All dimensions in inches

SIZE	3/16”	¼”	5/16”	3/8”	½”	5/8”
Key Size	3/32”	1/8”	5/32”	3/16”	¼”	5/16”
Socket Depth Min	0.075	0.100	0.125	0.150	0.200	0.250

LOW HEAD SOCKET SCREWS AS PER DIN 7984

All dimensions in mm

SIZE	M3	M4	M5	M6	M8	M10	M12	M16	M20
PITCH	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2.5
Key Size	2	2.5	3	4	5	7	8	12	14
DIA of Head (d2) Max	5.5	7	8.5	10	13	16	18	24	30
Head Height (K) Max	2.3	2.8	3.5	4	5	6	7	9	11
Socket Depth Min	2	2.3	2.7	3	4.2	4.8	5.3	5.5	7.5
Min thread length	18	20	22	24	28	32	36	44	52

LOW HEAD SOCKET SCREWS AS PER DIN 6912

All dimensions in mm

SIZE	M4	M5	M6	M8	M10	M12	M16	M20
PITCH	0.7	0.8	1	1.25	1.5	1.75	2	2.5
Key Size	3	4	5	6	8	10	14	17
DIA of Head (d2) Max	7	8.5	10	13	16	18	24	30
Head Height (K) Max	2.8	3.5	4	5	6.5	7.5	10	12
Socket Depth Min	1.6	2	2.5	3	3.5	4	5.5	6.5
Min thread length	20	22	24	28	32	36	44	52

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