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304/ 316 SS Truss Head Screws, Coach Screws and Countersunk Flat

SS Truss Head Screws are specially designed for wood, plastic or metal. As these are manufactured from stainless steel the rust resistance is high. Corrosion resistance is excellent in chemical, marine and other corrosive areas. Specifications of this may include stainless steel, head diameter is 0.384”, thread size is #8, requires full thread and drive style is #8 Philips screwdriver. SS coach screws also known as lag screws or lag bolts. These are used in construction and other landscaping applications. Its size range from M1.6 up to M24 and length is 5mm to 20mm.

SS Truss Head Screws

Stainless Steel Screw

Stainless Steel Set Screws

Stainless steel wood screws are mainly made of brass, bronze, steel or stainless steel. This is used as an aggressive thread to grab and hold wood securely. Stainless steel self tapping screws can drill their own pilot hole. The materials used for this are aluminium, Aluzinc and galvanised steel. Now the SS Deck Screws are an integral part of any deck project. These are usually designed to hold timber. These are having type 17 point and they can be easily used for installation in wood and composite deck materials. A193 stainless steel Tek screws are also known as self-drilling screws or self -tapping screws. This include small carving piece and at the end of the screw.

There is numerous other steel industry where steel products are manufactured. But our regal sales corporation provides Stainless Steel Screw Manufacturers in India. We are the finest manufacturer of this product. We are government certified company and thus we have a name in the market.

Table of Content

What is Stainless Steel Screw ?

If you are not aware, then let me tell you that screws are also known as fasteners. Stainless steel screws are mostly used for in areas like high pollution, also in coastal regions. These can be used with aluminium as they provide higher grade fastener. But they also have risk of corrosion as they are not the similar metals. SS Screws can also be use with copper material, as it gives strength to the screw.

Check Stainless Steel Wood Screws and Machine Screws Torque Chart

Stainless Steel Machine Screw standard specifications

Specifications	:	ASTM A 193 ASME SA 193
Standard	:	DIN, ASTM, BS and all International Standards
Length	:	3 mm to 254 mm
Size	:	M3 – M56 \| 3/6" to 2" \| Customed Sizes
Type	:	Hex Head Screws, Square Screws, Hex Screw, Lag Screws, Counter Sunk Screws

Refer SS Deck Screws, A193 Tek Screws Dimension and Specifications, View updated Stainless Steel Grub Screws and Concrete Screws price list

Standard Dimensions of Stainless Steel Wood Screws

Nominal Size*	Phillips Driver Size	Head Diameter (A)		Head Height (H)	Width of Slot (J)		Depth of Slot (T)		Dimension of Recess
Nominal Size*	Phillips Driver Size	Max	Min	Ref	Max	Min	Max	Min	Dia. Max (M)	Dia. Min (M)	Depth Max (G)	Depth Min (G)	Width Min (N)
3	1	.199	.141	.059	.035	.027	.027	.017	.107	.094	.068	.052	.018
7	2	.305	.268	.091	.048	.039	.041	.027	.189	.176	.121	.098	.030
8	2	.332	.292	.100	.054	.045	.045	.029	.204	.191	.136	.113	.032
9	2	.358	.316	.108	.054	.045	.049	.032	.214	.201	.146	.123	.033
14	3	.507	.452	.153	.075	.064	.070	.046	.283	.270	.171	.148	.036
16	3	.544	.485	.164	.075	.064	.075	.049	.303	.290	.191	.168	.039

Round Head
Nominal Size*	Phillips Driver Size	Head Diameter (A)		Head Height (H)		Width of Slot (J)		Depth of Slot (T)		Dimension of Recess
Nominal Size*	Phillips Driver Size	Max	Min	Max	Min	Max	Min	Max	Min	Dia. Max (M)	Dia. Min (M)	Depth Max (G)	Depth Min (G)	Width Min (N)
2	1	.162	.146	.069	.059	.031	.023	.048	.037	.114	.101	.064	.042	.018
7	2	.285	.264	.111	.099	.048	.039	.072	.055	.170	.157	.092	.066	.028
8	2	.309	.287	.120	.107	.054	.045	.077	.058	.178	.165	.101	.075	.030
9	2	.334	.311	.128	.115	.054	.045	.082	.062	.186	.173	.110	.084	.030
10	2	.359	.334	.137	.123	.060	.050	.087	.065	.195	.182	.119	.093	.031
14	3	.457	.429	.170	.155	.075	.064	.106	.080	.265	.252	.142	.116	.034

Oval Head
Nominal Size*	Phillips Driver Size	Head Diameter (A)		Head Height (H)			Width of Slot (J)		Depth of Slot (T)		Dimension of Recess
Nominal Size*	Phillips Driver Size	Max	Min	Side Height (Ref.)	Total Height Max	Total Height Min	Max	Min	Max	Min	Dia. Max (M)	Dia. Min (M)	Depth Max (G)	Depth Min (G)	Width Min (N)
4	1	.225	.195	.067	.104	.084	.039	.031	.059	.049	.136	.123	.094	.077	.019
5	2	.252	.220	.075	.116	.095	.043	.035	.067	.055	.158	.145	.085	.061	.028
6	2	.279	.244	.083	.128	.105	.048	.039	.074	.060	.178	.165	.105	.080	.030
8	2	.332	.292	.100	.152	.126	.054	.045	.088	.072	.205	.192	.131	.106	.033
12	3	.438	.389	.132	.200	.169	.067	.056	.117	.096	.283	.270	.165	.140	.040

Thread & Body Diameter - Cut & Rolled Thread Types

Thread and Body Diameter
*Nominal Size or Basic Screw Diameter**		Threads Per Inch	Major Thread Diameter (D)		Body Diameter - (E) Cut Thread		Body Diameter - (E) Rolled Thread		Thread Depth (F)
*Nominal Size or Basic Screw Diameter**		Threads Per Inch	Max	Min	Max	Min	Max	Min	Min
2	.086	26	.090	.079	.090	.079	.075	.064	.010
4	.112	22	.116	.105	.116	.105	.095	.084	.016
5	.125	20	.129	.118	.129	.118	.107	.096	.018
6	.138	18	.142	.131	.142	.131	.118	.107	.020
10	.190	13	.194	.183	.194	.183	.157	.146	.030
12	.216	11	.220	.209	.220	.209	.176	.165	.031
14	.242	10	.246	.235	.246	.235	.201	.190	.035
16	.268	9	.272	.261	.272	.261	.214	.203	.038

Stainless Steel Socket Head Cap Screws Dimensions Table

Nominal	Thread.	Hex Socket Size	Body diameter and Head height		Head Dia		Soc. length
Size	Pitch		Max	Min	Max	Min
		J	D /H		A		K
M3	0.5	2.50	3.00	2.86	5.50	5.20	1.3
M4	0.70	3.00	4.00	3.82	7.00	6.64	2.00
M5	0.8	4.00	5.00	4.82	8.50	8.14	2.70
M6	1.0	5.00	6.00	5.82	10.00	9.64	3.30
M8	1.25	6.00	8.00	7.78	13.00	12.57	4.3
M10	1.5	8.00	10.00	9.78	16.00	15.57	5.50
M12	1.75	10.00	12.00	11.73	18.00	17.57	6.60
M16	2.0	14.00	16.00	15.73	24.00	23.48	8.80
M20	2.5	17.00	20.00	19.67	30.00	29.48	10.70
M24	3.0	19.00	24.00	23.67	36.00	35.38	12.90

Stainless Steel Countersunk Screws Dimensions Chart

Nominal size	Body Dia		Thread Pitch	Hex Socket Size	Max Cone Dia	Head Dia		Head Height	Soc. length
	D(max)	D(min)		J	A1	A_max	A_Min	H	K
M3	3.00	2.86	0.5	2,0	6,72	6,00	5,82	1,86	1,05
M4	4.00	3.82	0.70	2,5	8,96	8,00	7,78	2,48	1,49
M5	5.00	4.82	0.8	3,0	11,2	10,00	9,78	3,1	1,86
M6	6.00	5.82	1.0	4,0	13,44	12,00	11,75	3,72	2,16
M8	8.00	7.78	1.25	5,0	17,92	16,00	15,73	4,96	2,85
M10	10.00	9.78	1.5	6,0	22,4	20,00	19,67	6,2	3,60
M12	12.00	11.73	1.75	8,0	26,88	24,00	23,67	7,44	4,35
M16	16.00	15.73	2.0	10,0	33,6	32,00	29,67	8,8	4,89
M20	20.00	19.67	2.5	10,0	40,32	40,00	35,61	10,16	5,49

Torque Chart of Stainless Steel Set Screw

Torque Specifications
Screw Size Inches or #	Threads Per Inch	Standard Dry Torque in Inch-Pounds
Screw Size Inches or #	Threads Per Inch	304 Stainless Steel	316 Stainless Steel
#2	56	2.5	2.6
#2	64	3.0	3.2
#3	48	3.9	4.0
#3	56	4.4	4.6
#4	40	5.2	5.5
#4	48	6.6	6.9
#5	40	7.7	8.1
#5	44	9.4	9.8
#6	32	9.6	10.1
#6	40	12.1	12.7
#8	32	19.8	20.7
#8	36	22.0	23.0
#10	24	22.8	23.8
#10	32	31.7	33.1
Screw Size Inches or #	Threads Per Inch	Standard Dry Torque in Inch-Pounds
Screw Size Inches or #	Threads Per Inch	304 Stainless Steel	316 Stainless Steel
1/4	20	75.2	78.8
1/4	28	94.0	99.0
5/16	18	132	138
5/16	24	142	147
3/8	16	236	247
3/8	24	259	271
7/16	14	376	393
7/16	20	400	418
1/2	13	517	542
1/2	20	541	565
Screw Size Inches or #	Threads Per Inch	Standard Dry Torque in Inch-Pounds
Screw Size Inches or #	Threads Per Inch	304 Stainless Steel	316 Stainless Steel
9/16	12	682	713
9/16	18	752	787
5/8	11	1110	1160
5/8	18	1244	1301
3/4	10	1530	1582
3/4	16	1490	1558
7/8	9	2328	2430
7/8	14	2318	2420
1	8	3440	3595
1	14	3110	3250
Screw Size Inches or #	Threads Per Inch	Standard Dry Torque in Foot-Pounds
Screw Size Inches or #	Threads Per Inch	304 Stainless Steel	316 Stainless Steel
1 1/8	7	413	432
1 1/8	12	390	408
1 1/4	7	523	546
1 1/4	12	480	504
1 1/2	6	888	930
1 1/2	12	703	732

Machine Screw Manufacturer in Mumbai, India