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STAINLESS STEEL STUD BOLTS

Parmar Steel offers high-quality STAINLESS STEEL STUD BOLTS renowned for their durability and reliability in industrial applications. Crafted from premium stainless steel alloys, these bolts are designed to withstand corrosion, making them ideal for challenging environments. Parmar Steel ensures stringent quality control, guaranteeing each stud bolt meets international standards for strength and performance. Their products are tailored to meet diverse industry needs, from construction to manufacturing, providing secure fastening solutions that enhance operational safety and efficiency. With a commitment to excellence, Parmar Steel STAINLESS STEEL STUD BOLTS offer peace of mind, combining robust construction with precision engineering for long-lasting and dependable performance in demanding conditions.

Standard	DIN, ASTM, BS and all International Standards
Size	M3 - M56 \| 3/6" to 2" \| Custom Sizes
Type	Studs, Threaded Studs.

Standards	Designation
Thread Requirements of Stud Bolts	UNC & UNF, ASME B1.1, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge)
Manufacturing Process	Cold Heading, Wire Drawing, Heat Treatment, Insert tapping, Inspection, Surface Plating, Packing
Delivery time	custom product will according to special requirement, Regular product is about 7-15 days
Coatings	PTFE
Head	Square, Hex, Hex flange, Round, T-head, Flat & Triangular etc
Neck type	Square, Hex, Oval, Triangular & Knurled etc
Dimensions	ASME B18.3, B18.2.1
Melt Origin	South America/East Europe/Japan/Korea
Product Origin	Made in India
Threads Configuration	B1.13M 6h Metric Coarse Threads and ASME B1.1 2A/3A Inch Unified Threads
Certification	Dual Certified As per ASME & ASTM Codes
Additional Certifications	Merkblatt AD 2000 W2 Certified, PED 97/23/EC Certified
Mandatory Requirements	Free from Radioactive & Mercury Contamination
Additional Requirements	NACE MR0175 / MR0103 /ISO 15156 Compliance

304 SS STUD BOLTS DIMENSION CHART

STUD BOLT LENGTH (in inches)	1/2	5/8	3/4	7/8	1	1 1/8	1 1/4	1.3/8	1 1/2	1.5/8	1.3/4	1 7/8
2.1/2	10.8
2.3/4	11.6	19.8
3.1/4	12.4	21	32.4
3.1/2	13.2	22.2	34.3	50
4	14	23.4	36.2	52.6	71.8
4.1/2	14.8	24.6	38.1	55.2	75.2	102
4.3/4	15.6	25.8	40	57.8	78.6	106	137
5	16.4	27	41.9	60.4	82	111	142	179
5.1/2	17.2	28.2	43.8	63	85.4	115	147	186	234
6	18	29.4	45.7	65.6	88.8	119	153	193	242	289
6.1/4	18.8	30.6	47.6	68.2	92.2	123	158	200	250	298	263
6.1/2	19.6	32.3	49.5	70.8	95.6	128	164	206	258	308	374	437
7	20.4	33.5	50.8	73.4	99	132	169	213	266	317	385	449
7.1/2	21.2	34.8	52.7	75.5	103	136	174	220	275	326	396	462
8	22	36.1	54.5	78	106	141	180	226	283	336	407	475
8.1/4		37.3	56.3	80.5	108	145	185	233	291	345	418	488
8.3/4		38.6	58.1	83.1	112	149	191	240	299	354	429	500
9		39.8	60	85.6	115	153	196	246	307	364	440	513
9.1/2		41.1	61.8	88.2	118	158	201	253	316	373	451	526
10			63.7	90.7	122	162	206	260	324	382	463	538
10/1.4				93.3	125	166	212	267	332	391	474	551
1.0.1/2					128	171	217	273	340	401	485	564
11					132	175	223	279	345	410	496	576
11.1/2					135	179	228	285	350	419	507	589
12					138	184	233	292	358	429	518	602

STUD BOLT LENGTH (in mm)	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M33	M36	M39
60	5,6	8,1	12	15,6
70	6,1	8,9	13	16,9	23,7
80	6,6	9,6	14	18,2	25,4	32,5
90	7,1	10,3	15	19,6	27,1	34,5	45,5
100	7,6	11	16	21	28,8	36,7	47,2	54,2
110	8,1	11,7	17	22,2	30,4	38,7	48,3	58,2	80
120	8,6	12,4	18	23,6	32,1	40,7	50,9	60,2	84,7	107
130	9,1	13,2	19	24,9	33,7	42,8	53,4	63,2	88,6	111	141
140	9,6	14,2	20	26,2	35,4	44,9	55,9	66,2	92,4	116	147	185
150	10,1	14,9	20,8	27,5	36,9	46,9	58,5	69,2	96,3	121	153	192	237
160	10,6	15,6	21,8	29,1	38,6	49	61	72,2	100,1	126	159	199	245
170		16,4	22,8	30,4	40,2	51,1	63,5	75,2	104	130	165	206	253
180			23,8	31,8	41,9	52,3	66,1	78,1	108	135	171	213	261
190				33,1	43,5	54,4	68,4	81,1	112	140	176	219	269
200				34,5	45,2	56,2	71	84	116	144	182	226	278
210				35,8	46,8	58,5	73,5	88,4	120	149	188	233	286
220				37,1	48,4	60,6	76,1	91,4	124	154	194	240	294
230				38,5	50,1	62,6	78,6	94,4	127	159	201	247	302
240				39,8	51,7	64,7	81,2	97,4	130,9	164	208	253	310
250				41,1	53,4	66,8	83,7	100,4	134,8	172	214	260	319
260					55	68,8	86,3	103,4	138,6	177	220	267	327
270					56,6	70,9	88,8	106,4	142,5	182	224	274	335
280					58,3	73	91,4	109,4	146,3	187	230	281	343
290						75	93,9	112,4	150,1	192	236	291	360
300						77,1	96,5	115,4	154	196	241	298	368
320							101,6	121,3	161,7	206	253	312	380
340								127,3	169,4	215	265	326	395
360								133,3	177,1	224	276	340	411
380									184,8	234	288	353	428
400									192,5	243	299	367	444
420										252	311	381	460
440										262	322	394	477
460										271	334	408	493
480										281	345	422	509
500										290	357	436	526

SIZES OF A2-70 BOLTS/ STUD BOLTS

Class 150 Flanges ASME B16.5 (Stud bolt sizes)						Length of Stud Bolts
NPS	Outside Diameter of Flange	The diameter of Bolt Circle	The diameter of Bolt Holes	Number of Bolts	Diameter of Bolts	Raised Face 0.06 in	Ring Joint
1/2	3 1/2	2 3/8	5/8	4	1/2	2 1/4	–
3/4	3 7/8	2 3/4	5/8	4	1/2	2 1/2	–
1	4 1/4	3 1/8	5/8	4	1/2	2 1/2	3
1 1/4	4 5/8	3 1/2	5/8	4	1/2	2 3/4	3 1/4
1 1/2	5	3 7/8	5/8	4	1/2	2 3/4	3 1/4
2	6	4 3/4	3/4	4	5/8	3 1/4	3 3/4
2 1/2	7	5 1/2	3/4	4	5/8	3 1/2	4
3	7 1/2	6	3/4	4	5/8	3 1/2	4
3 1/2	8 1/2	7	3/4	8	5/8	3 1/2	4
4	9	7 1/2	3/4	8	5/8	3 1/2	4
5	10	8 1/2	7/8	8	3/4	3 3/4	4 1/4
6	11	9 1/2	7/8	8	3/4	4	4 1/2
8	13 1/2	11 3/4	7/8	8	3/4	4 1/4	4 3/4
10	16	14 3/4	1	12	7/8	4 1/2	5
12	19	17	1	12	7/8	4 3/4	5 1/4
14	21	18 3/4	1 1/8	12	1	5 1/4	5 3/4
16	23 1/2	21 1/4	1 1/8	16	1	5 1/4	5 3/4
18	25	22 3/4	1 1/4	16	1 1/8	5 3/4	6 1/4
20	27 1/2	25	1 1/4	20	1 1/8	6 1/4	6 3/4
24	32	29 1/2	1 1/4	20	1 1/4	6 3/4	7 1/4

DOUBLE END THREADED STUD BOLTS TORQUE CHART

Flange Size	B16.5 Class 150 RF/ Ring Gaskets					B16.5 Class 150 FF/ Full Face Gaskets
	Torque / Round (ft-lbs)			Stud Bolts Tighten Sequence		Torque / Round (ft-lbs)			Stud Bolts Tighten Sequence
	1st	2nd	Final	Dwg/No.	Bolt Size	1st	2nd	Final	Dwg*/No.	Bolt Size
1/2″	10	20	30	4-bolt	1/2″	20	40	60	4-bolt	1/2″
3/4″	13	27	40	4-bolt	1/2″	20	40	60	4-bolt	1/2″
1″	15	30	50	4-bolt	1/2″	20	40	60	4-bolt	1/2″
1-1/4″	20	40	60	4-bolt	1/2″	20	40	60	4-bolt	1/2″
1-1/2″	20	40	60	4-bolt	1/2″	20	40	60	4-bolt	1/2″
2″	40	80	120	4-bolt	5/8″	40	80	120	4-bolt	5/8″
2-1/2″	40	80	120	4-bolt	5/8″	40	80	120	4-bolt	5/8″
3″	40	80	120	4-bolt	5/8″	40	80	120	4-bolt	5/8″
3-1/2″	40	80	120	8-bolt	5/8″	40	80	120	8-bolt	5/8″
4″	40	80	120	8-bolt	5/8″	40	80	120	8-bolt	5/8″
5″	60	120	200	8-bolt	3/4″	60	120	200	8-bolt	3/4″
6″	60	120	200	8-bolt	3/4″	60	120	200	8-bolt	3/4″
8″	60	120	200	8-bolt	3/4″	60	120	200	8-bolt	3/4″
10″	95	190	320	12-bolt	7/8″	95	190	320	12-bolt	7/8″
12″	95	190	320	12-bolt	7/8″	95	190	320	12-bolt	7/8″
14″	147	294	490	12-bolt	1″	147	294	490	12-bolt	1″
16″	147	294	490	16-bolt	1″	147	294	490	16-bolt	1″
18″	213	426	710	16-bolt	1-1/8″	213	426	710	16-bolt	1-1/8″
20″	213	426	710	20-bolt	1-1/8″	213	426	710	20-bolt	1-1/8″
24″	300	600	1,000	20-bolt	1-1/4″	300	600	1,000	20-bolt	1-1/4″

High Tensile Studs Material & Grades

Stainless Steel Studs :

AISI 302, 304, 304L,316, 316L, 310, 317, 317L, 321, 347, 410, 420,904L etc.

Duplex & Super Duplex Steel Studs :

ASTM / ASME A815 UNS No. S31803, UNS No. S 32205, UNS No. S 31254, UNS No. S 31550, UNS No. S 32750, and UNS No. S 32760

Carbon Steel Studs :

ASTM A307, A193

Alloy Steel Studs :

ASTM / ASME A/SA 193 / 194 B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M

Nickel Alloy Studs :

ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472 UNS 2200 (NICKEL 200) / UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600) / UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 8020 (ALLOY 20 / 20 CB 3)

We Shine For Premier Quality Product

The company has over two decade long record of servicing customers in India as well as all over the world. The company attaches significant emphasis on ensuring adherence to quality standards at all levels.

The basic thrust of the quality philosophy is summed up in the company's Quality Policy which serves as the bench mark of all functions executed by the company. Strict quality assurance system is being followed in all our departments and Total Quality Management is applied to streamline and all the procedures and practices in operation to achieve high standard of efficiency.