In contrast to conventional bolts, Flange Bolts have a disk-shaped attachment on the lower section of the bolt head. It is not necessary to include an additional washer in the assembly because of this circular flange in the stainless steel flange bolts. Bolts for 12 Point Flanges Due to its recessing head, which is hidden when the bolt ends are clamped together, stainless steel is used as a specialty fastener in the oil and gas industry.
Serrated Stainless Steel Flange Bolt material is frequently utilised in a variety of applications, including the frames of vehicles, particularly trucks. These Stainless Steel Flange Head Bolts with serrated edges pierce the surface and prevent the fastener from coming free. The Stainless Steel Hex Head Flange Bolts have a nozzle, which cuts down on time and, as a consequence, speeds up assembly by doing away with the washer. The term "frame bolts" refers to stainless steel hex flange bolts without serrations.
Stainless Steel Metric Flange Head Bolts provide four times the bearing area compared to a typical hex screw. The distribution of securing pressure is made uniform by this bearing area. To find out how much the stainless steel flange head bolts cost, click here. We are manufacturers and suppliers of stainless steel flange bolts.
| Grade |
18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Flange Bolts
|
|---|---|
| British standards | BS6105 (old: BSENISO 3506) which covers Part 1 bolts, screw and Us, part 2 nuts and part 4 tapping screws. |
| Stainless Steel Flange Bolts Size |
Stainless Steel Flange Bolts M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes |
| Length | 3 mm to 200 mm |
| Stainless Steel Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Standard: |
DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards
|
| DIN Standard | B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985 |
| UTS – Unified Thread Standard | UNC, UNF, UNEF, UNS, NPT, NPTF |
| Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
| ISO – International Organization for Standardization | ISO 4032, ISO 4033, ISO 4017, ISO7380 JIS standards |
| Tolerance | +/-0.01mm to +/-0.05mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Finish | Per ASTM A380/A380M |
| Production process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
| Origin and service-region: | European Origin of Stainless Steel Flange Bolts are Western European. However projects with eastern origin are possible on request. |
| Stainless Steel bolting materials Surface Coating: |
All surface finishes can be supplied, including Zinc, Galvanised, Sherardized, Electroless Nickel, Dacromet, Geomet & PTFE. |
| Surface treatment |
|
| Top Manufacturers | SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc. |
| Stainless Steel Flange Bolts Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Why choose us? |
|
| MOQ | 5 pieces |
| Test Certificate: |
|
| Free Samples | Yes |
| Delivery time | Regular product is about 7-15 days, custom product will according to special requirement |
| Payment Terms | T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping |
| Other available material |
|
| Stainless Steel Flange Bolts dealers & distributors are located in | Ernakulam, Istanbul, Vadodara, Manama, Mexico Rajkot, Nagpur, Gimhae-si, Indore, Ankara, Hyderabad, Caracas, Ahvaz, Kanpur, Abu Dhabi, Karachi, Perth, Riyadh, Ludhiana, Lagos, Kolkata, Tau, London, Courbevoie, Dammam, Bengaluru, Kuwait , Pimpri-Chinchwad, New Delhi, Gurgaon, Melbourne, Thiruvananthapuram, Sydney, Noida, Baroda, Khobar, Calgary, Janeiro, Ahmedabad, Gujarat, Chennai, Ludhiana, Bangalore, India, Mumbai, Coimbatore, Tehran, Muscat, Surat, Bogota, , Ranchi, Montreal, Howrah, Santiago, Jamshedpur, Port-of-Spain |
| Uses & application | Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry |
|
Flange Bolts
|
Price
|
| 5/16"-18 x 3/4" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $44.69 / package Unit Price: $0.4469 / each Units / package: 100 |
| 5/8"-11 x 2-1/2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $2.62 / each |
| 1/2"-13 x 1-1/2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $1.33 / each |
| 1/4"-20 x 1" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts |
$42.62 / package Unit Price: $0.4262 / each Units / package: 10 |
| 5/8"-11 x 1-1/2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $2.02 / each |
| 1/4"-20 x 1/2" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $13.585 / package Unit Price: $0.2717 / each Units / package: 50 |
| 3/8"-16 x 3/4" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $0.8092 / each |
| 5/16"-18 x 3/4" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $0.5371 / each |
| 1/4"-20 x 1" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $9.7425 / package Unit Price: $0.3897 / each Units / package: 25 |
| 3/4"-10 x 2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $6.58 / each |
5/16"-18 x 3/4" Yellow Zinc Finish SAE J429 Grade 5 Hex Stainless Steel Flange Bolts |
$1.21 / each |
| 1/2"-13 x 2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $1.52 / each |
| 1/4"-20 x 1" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $0.4262 / each |
| M6-1.0 x 16mm Zinc Finish DIN 6921 Class 8.8 Hex Stainless Steel Flange Bolts | $0.7215 / each |
| 1/2"-13 x 1-3/4" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $1.40 / each |
| 5/16"-18 x 1" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $0.5061 / each |
| 1/4"-20 x 3/4" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $0.3356 / each |
| 5/16"-18 x 1-1/2" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $17.155 / package Unit Price: $0.6862 / each Units / package: 25 |
| 3/8"-16 x 1-1/4" Zinc Finish SAE J429 Grade 5 Hex Serrated Stainless Steel Flange Bolts | $0.661 / each |
| M6-1.0 x 20mm Zinc Finish DIN 6921 Class 8.8 Hex Stainless Steel Flange Bolts | $0.7084 / each |
| 1/2"-13 x 1-1/4" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $1.26 / each |
| 5/8"-11 x 2-1/4" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $2.26 / each |
| 5/16"-18 x 1" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $0.59 / each |
| 5/16"-18 x 1" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $14.75 / package Unit Price: $0.59 / each Units / package: 25 |
| 1/2"-13 x 1" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $15.50 / package Unit Price: $1.55 / each Units / package: 10 |
| 5/8"-18 x 2-1/2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $5.20 / each |
| 1/4"-20 x 1/2" Zinc Finish SAE J429 Grade 5 Hex Serrated Stainless Steel Flange Bolts | $0.2309 / each |
| 3/8"-16 x 1-1/2" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $1.09 / each |
| 5/8"-11 x 1-3/4" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $2.05 / each |
| 3/8"-16 x 3/4" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $7.63 / package Unit Price: $0.763 / each Units / package: 10 |
| 1/4"-20 x 3/4" Zinc Finish SAE J429 Grade 5 Hex Serrated Stainless Steel Flange Bolts | $0.2576 / each |
| 3/8"-16 x 1-1/4" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $0.835 / each |
| 5/8"-18 x 2" Phosphate and Oil Finish SAE J429 Grade 8 Hex Stainless Steel Flange Bolts | $2.95 / each |
| 1/4"-20 x 1/2" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $0.3256 / each |
3/8"-16 x 1" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts |
$8.088 / package Unit Price: $0.8088 / each Units / package: 10 |
3/8"-16 x 1" Zinc Finish SAE J429 Grade 5 Hex Serrated Stainless Steel Flange Bolts |
$0.6294 / each |
| 5/16"-18 x 1" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $50.61 / package Unit Price: $0.5061 / each Units / package: 100 |
| 1/4"-20 x 3/4" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $35.97 / package Unit Price: $0.3597 / each Units / package: 100 |
| 1/4"-20 x 3/4" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts | $16.78 / package Unit Price: $0.3356 / each Units / package: 50 |
| 3/8"-16 x 1" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $39.425 / package Unit Price: $0.7885 / each Units / package: 50 |
| 3/8"-16 x 3/4" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $40.46 / package Unit Price: $0.8092 / each Units / package: 50 |
| 5/16"-18 x 3/4" Zinc Finish SAE J429 Grade 5 Hex Serrated Stainless Steel Flange Bolts | $0.3537 / each |
| 1/4"-20 x 1/2" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts | $32.56 / package Unit Price: $0.3256 / each Units / package: 100 |
|
3/8"-16 x 1-1/2" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts
|
$27.25 / package Unit Price: $1.09 / each Units / package: 25 |
|
1/4"-20 x 3/4" Zinc Finish Case Hardened Hex Serrated Stainless Steel Flange Bolts
|
$0.3597 / each |
|
3/8"-16 x 1-1/2" Zinc Finish Grade 8.2 Hex Serrated Stainless Steel Flange Bolts
|
$9.502 / package Unit Price: $0.9502 / each Units / package: 10 |

| d | ds | s | dc | k | b | L | |||
|
Nominal Diameter
|
Thread Pitch
|
Body Diameter
|
Width Across Flats
|
Flange Diameter
|
Head Height
|
Thread Length
|
Lengths Under the Head
|
||
|
(coarse)
|
Max.
|
Min.
|
Max.
|
Min.
|
Max.
|
Max.
|
Nominal
|
||
|
M6
|
1
|
6
|
5.82
|
10
|
9.78
|
14.2
|
6.6
|
18
|
10-60
|
|
M8
|
1.25
|
8
|
7.78
|
13
|
12.73
|
18
|
8.1
|
22
|
12-80
|
|
M10
|
1.5
|
10
|
9.78
|
15
|
14.73
|
22.3
|
9.2
|
26
|
16-80
|
|
M12
|
1.75
|
12
|
11.73
|
16
|
15.73
|
26.6
|
11.5
|
30
|
25-120
|
|
M14
|
2
|
14
|
13.73
|
18
|
17.73
|
30.5
|
12.8
|
34
|
30-120
|
|
M16
|
2
|
16
|
15.73
|
21
|
20.67
|
35
|
14.4
|
38
|
40-120
|
|
M20
|
2.5
|
20
|
19.67
|
27
|
26.67
|
43
|
17.1
|
46
|
40-120
|
|
Flange Bolt
Diameter |
Head/Wrench Size*
|
|---|---|
|
Hex Flange Bolt (IFI-111)
and Hex Flange Lag |
|
|
1/4″
|
3/8″
|
|
5/16″
|
1/2″
|
|
3/8″
|
9/16″
|
|
7/16″
|
5/8″
|
|
1/2″
|
3/4″
|
|
9/16″
|
13/16″
|
|
5/8″
|
15/16″
|
|
3/4″
|
1-1/8″
|
|
* This is the width across the flats.
|
|
|
LENGTH
|
DIAMETER |
||||||
|
M16
|
M20
|
M22
|
M24
|
M27
|
M30
|
M36
|
|
|
40
|
10.28
|
||||||
|
45
|
11.07
|
180.30
|
|||||
|
50
|
11.86
|
19.25
|
25.20
|
||||
|
55
|
12.65
|
20.50
|
26.69
|
33.74
|
|||
|
60
|
13.44
|
21.73
|
28.18
|
35.22
|
48.09
|
||
|
65
|
14.23
|
22.96
|
29.67
|
37.29
|
50.34
|
||
|
70
|
15.02
|
24.19
|
31.16
|
39.07
|
52.58
|
67.25
|
|
|
75
|
15.81
|
25.43
|
32.66
|
40.84
|
54.83
|
70.03
|
108.91
|
|
80
|
16.60
|
26.66
|
34.15
|
42.62
|
57.08
|
72.80
|
112.90
|
|
85
|
17.39
|
27.89
|
35.64
|
44.39
|
59.33
|
75.58
|
116.90
|
|
90
|
18.17
|
29.13
|
37.13
|
46.17
|
61.57
|
78.35
|
120.89
|
|
95
|
18.96
|
30.36
|
38.62
|
47.94
|
63.82
|
81.13
|
124.89
|
|
100
|
19.75
|
31.59
|
40.12
|
49.72
|
66.07
|
83.90
|
128.88
|
|
110
|
21.14
|
33.77
|
42.78
|
52.85
|
68.56
|
88.84
|
136.20
|
|
120
|
22.72
|
36.24
|
45.77
|
56.41
|
73.06
|
94.39
|
144.19
|
|
130
|
24.30
|
38.70
|
48.75
|
59.96
|
77.55
|
99.94
|
152.18
|
|
140
|
25.88
|
41.17
|
51.73
|
63.51
|
82.05
|
105.49
|
160.17
|
|
150
|
27.46
|
43.93
|
54.72
|
67.06
|
86.54
|
111.04
|
168.16
|
|
160
|
29.03
|
46.10
|
57.70
|
70.61
|
91.04
|
116.59
|
176.15
|
|
170
|
30.61
|
48.57
|
60.69
|
74.16
|
95.53
|
122.14
|
184.14
|
|
180
|
32.19
|
51.03
|
63.67
|
77.71
|
100.03
|
127.69
|
192.13
|
|
190
|
33.77
|
53.50
|
66.65
|
81.26
|
104.52
|
133.24
|
200.12
|
|
200
|
35.35
|
55.96
|
69.44
|
84.82
|
109.02
|
138.79
|
208.11
|
|
210
|
113.52
|
144.34
|
216.10
|
||||
|
220
|
118.01
|
149.89
|
224.09
|
||||
|
230
|
122.51
|
155.44
|
232.08
|
||||
|
240
|
127.00
|
160.99
|
240.07
|
||||
|
250
|
131.50
|
166.54
|
248.06
|
||||
|
260
|
135.99
|
172.09
|
256.05
|
||||
|
270
|
140.49
|
177.64
|
264.04
|
||||
|
280
|
144.98
|
183.19
|
272.03
|
||||
|
290
|
149.48
|
188.74
|
280.02
|
||||
|
300
|
153.97
|
194.29
|
288.01
|
||||
|
|
|
|
