Carriage Bolt manufacturer In India
Stainless Steel 316 And 304 Ribbed Neck Carriage Bolts supplier In Mumbai, Contact Us Today For Buy Grade 8 Carriage Bolt

What is Carriage Bolt?
Carriage bolts are a standard fastener to secure or tighten metal, wood, or other components. It is also known as a coach bolt, and it has a cylindrical shaft with a shallow mushroom head. Additional instruments, such as a hammer, drill, or washers, are necessary to install or fit the carriage bolt into the hole or nut.
Threaded shafts, rounded heads, and flat tips characterise these bolts. Carriage Bolt manufacturer In India provide a various styles, including a short neck with a round head, flat head, fin neck, and so on.
Manufacturers of stainless steel carriage bolts create a variety of bolts and nuts. Bolts and nuts are fasteners used in the assembly of pipelines, fittings, and other components. Bolts come in a variety of materials, including SS 316 Carriage Bolts. The materials used in the manufacture of these bolts might vary.
What is the most potent grade carriage bolt?
The carriage bolt is unique in that it connects metal to metal or metal to wood. The bolt's head is spherical. Bolts come in various styles, including Stainless Steel knurled-neck carriage bolts, wood bolts, and plough bolts. These many varieties are used in multiple situations where metal and wood are utilised without the option or need of welding. The ribbed neck of the Stainless Steel Ribbed Neck Carriage Bolts decreases the gap between the threads and the head. This is beneficial in situations requiring a tiny amount of space. Carriage bolts are also known as Stainless Steel Coach Bolts, and they may be found in practically every stainless steel application that uses bolts and nuts.
Because of its shininess, stainless steel carriage bolts or steel knurled neck carriage bolts are visually appealing and used for ornamental purposes. The gleaming and attractive appearance of the decorative Carriage Bolts guarantees that the material seems stylish.
The steel flat head carriage bolts facilitate fastening or installation and may readily support considerable weight. When used in construction, decorative fences, and flexible unbolting from single side, stainless steel carriage bolts and nuts give safety and security.
Stainless Steel 304 Ribbed Neck Carriage Bolts are suitable for narrowing the space application by minimising the gap between the head and thread. The Grade 8 Carriage Bolts are well recognised for their resistant nature towards corrosion and oxidation resistance, most likely the material's main selling factor.
Stainless steel carriage bolts are made by some firms worldwide using cutting-edge technology. With these advantages, they are appealing and frequently used by builders, manufacturers, and vehicle makers.
316 SS Carriage Bolt Specifications
Specification | Carriage Bolt |
---|---|
Carriage Bolt Use: | Carriage bolts are usually utilized due to their convenience, particularly when managing wood |
Surface Coating Of Nuts: | Phosphate Coating Cadmium Coating Teflon Coating Xylon Coating |
Certifications: | PED 97/23/EC Certified |
Available Surface Finish: | Zinc Plated and Hot Dip Galvanised |
KM Steel Online Provide Options?: | Yes |
Free Samples: | Yes |
manufacturer Length | 3 mm to 6"(inch) |
Port of Dispatch: | Mumbai ports in Maharashtra state of India |
Size | M02 to M152.4 |
Drawing Formats: | STP, IGS, JPEG, PDF, CAD |
Threads: | BSW, BSF, METRIC, UNC, UNF or as required |
Test Certificate: | EN 10204 / 3.1 |
Manufacturing process: | Cold Heading Heat Treatment Inspection Wire Drawing Packing Surface Plating Insert tapping |
Application: | Wind tower Nuclear power Electronic industry Automotive industry Construction LNG Projects |
manufacturer Of Carriage Bolt Threads: | METRIC, UNC, BSW, BSF, UNF or as per need |
UTS: | NPT, UNF, NPTF, UNC, UNEF, UNS |
Delivery time: | Regular export schedule is about 5-12 days |
Head drive: | Phillips/ Slot, Phillips, Six-Lobe, Slotted, etc |
Head drive: | Phillips/ Slot, Phillips, Six-Lobe, Slotted, etc |
SS Knurled-Neck/Flat Head Carriage Bolts exporter In India, Compare Price Of Galvanized Vs Stainless Steel Carriage Bolts
Types Of Fasteners | SizeM | Types Of Grade | Price Per Unit In (INR) India |
Carriage Bolt | M16 x 360 MM | DIN 603 | 56.00 |
- | M16 x 260 MM | - | 45.00 |
- | M18 x 280 MM | - | 69.00 |
- | M20 x 300 MM | - | 80.00 |
Carriage Bolts | M24 x 350 MM | DIN 603 | 99.00 |
We Keep Bulk Stock Of M6 To M12 And SS Carriage Bolts 5/16 And 3/8 At Our Stockyard, Buy At An Affordable Price In India
Types Of Stainless Steel Carriage Bolt

Din 607 Half Coach Bolt

316 SS Carriage Bolt

SS 304 Carriage Bolt

Galvanized Carriage Bolt

Black Carriage Bolt

Grade 8 Carriage Bolt

Flat Countersunk Square Neck Bolt With Hexagon Nut

Mushroom Head Square Neck Bolt

Flat Head Square Neck Carriage Bolt

Fin Neck Carriage Bolt

Round Head Ribbed Neck Carriage Bolts

Round Head Short Neck Carriage Bolt
Grade 8 Carriage Bolts Weight Chart
(KG/1000pcs)
l\D | M5 | M6 | M8 | M10 | M12 | M16 | M20 |
16 | 4 | 6.9 | |||||
20 | 4.5 | 7.6 | 13.8 | 22.7 | |||
25 | 5.1 | 8.5 | 15.4 | 25.2 | |||
30 | 5.9 | 9.6 | 17 | 27.7 | 45.7 | ||
35 | 6.7 | 10.7 | 19 | 30.2 | 49.4 | ||
40 | 7.5 | 11.8 | 21 | 32.7 | 53.1 | ||
45 | 8.3 | 12.9 | 23 | 35.8 | 56.8 | ||
50 | 9.1 | 14 | 25 | 38.9 | 61.2 | 119 | |
55 | 9.9 | 15.1 | 26.9 | 42 | 65.6 | 126 | |
60 | 10.7 | 16.2 | 28.9 | 45.1 | 70 | 133 | |
65 | 11.5 | 17.3 | 30.9 | 48.2 | 74.4 | 141 | |
70 | 12.3 | 18.4 | 32.9 | 51.3 | 78.8 | 149 | 247 |
80 | 13.9 | 20.6 | 36.8 | 57.5 | 87 | 165 | 272 |
90 | 22.8 | 40.8 | 63.7 | 96 | 181 | 297 | |
100 | 25 | 44.8 | 69.9 | 105 | 197 | 322 | |
110 | 27.2 | 48.8 | 76.1 | 114 | 213 | 347 | |
120 | 29.4 | 52.8 | 82.3 | 123 | 229 | 372 | |
130 | 31.6 | 56.8 | 88.5 | 132 | 245 | 397 | |
140 | 32.8 | 60.8 | 95 | 141 | 261 | 422 | |
150 | 35 | 64.8 | 101 | 150 | 277 | 447 | |
160 | 107 | 159 | 293 | 497 | |||
180 | 119 | 177 | 325 | 547 | |||
200 | 131 | 195 | 357 | 597 |
we are in top 10 supplier in these locations:
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Basra Gas Gathering Project ( Iraq)
-
Thirumalai Chemicals Limited (India)
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Abreu e Lima Refinery (RNEST) (Brazil)
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Supsa Oil Refinery (Georgia)
Dimensions Of Round Head Square Neck Carriage Bolts

Diameter Of Round Head Square Neck Carriage Bolts |
Diameter Of Body (E) |
Diameter Of Head (A) | Height Of Head (H) | Width Of Square (O) | Depth Of Square (P) | |||||
Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | |
10 | .182 | .1900 | .436 | .436 | .094 | .114 | .185 | .199 | .094 | .125 |
8 | .157 | .1640 | .298 | .328 | .083 | .102 | .155 | .169 | .078 | .108 |
1/4 | .237 | .2500 | .563 | .594 | .125 | .145 | .245 | .260 | .125 | .156 |
3/4 | .729 | .7500 | 1.469 | 1.594 | .375 | .406 | .741 | .768 | .375 | .406 |
5/8 | .605 | .6250 | 1.219 | 1.344 | .313 | .344 | .616 | .642 | .313 | .344 |
12 | .206 | .2160 | .468 | .500 | .125 | .149 | .197 | .215 | .105 | .135 |
3/8 | .360 | .3750 | .782 | .844 | .188 | .208 | .368 | .388 | .188 | .219 |
5/16 | .298 | .3125 | .688 | .719 | .156 | .176 | .307 | .324 | .156 | .187 |
1/2 | .483 | .5000 | 1.032 | 1.094 | .250 | .270 | .492 | .515 | .250 | .281 |
7/16 | .421 | .4375 | .907 | .969 | .219 | .239 | .431 | .452 | .219 | .250 |
Galvanized Carriage Bolt Tolerances
Over 1" - 2-1/2" | Up to 1" | Over 4" - 6" | Over 2-1/2" - 4" | Longer than 6" |
No. 8 - 3/8 | +.02, -.04 | +.02, -.03 | +.06, -.10 | +.04, -.06 |
7/16 & 1/2 | +.04, -.05 | +.02, -.03 | +.08, -.10 | +.06, -.08 |
9/16 - 3/4 | +.06, -.08 | +.02, -.03 | +.10, -.10 | +.08, -.10 |
Round Head Short Neck Carriage Bolts Dimensions

Normal Size or Bolt Diameter (Minimumal) |
Diameter Of Body (B) |
Diameter Of Head (W) | Height Of Head (H) | Width Of Square (S) | Depth Of Square (N) | Fillet Radius (R) | Corner Radius on Square (C) | |||||||
Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Max. | Max. | |||
.3125 | 5/16 | .272 | .324 | .688 | .719 | .156 | .176 | .307 | .324 | .093 | .124 | .031 | .031 | |
.2500 | 1/4 | .213 | .260 | .563 | .594 | .125 | .145 | .245 | .260 | .093 | .124 | .031 | .031 | |
.4375 | 7/16 | .385 | .452 | .907 | .969 | .219 | .239 | .431 | .452 | .125 | .156 | .031 | .047 | |
.3750 | 3/8 | .329 | .388 | .782 | .844 | .188 | .208 | .368 | .388 | .125 | .156 | .031 | .047 | |
.6250 | 5/8 | .559 | .642 | 1.219 | 1.344 | .313 | .344 | .616 | .642 | .187 | .218 | .062 | .078 | |
.5000 | 1/2 | .444 | .515 | 1.032 | 1.094 | .250 | .270 | .492 | .515 | .125 | .156 | .031 | .047 | |
.7500 | 3/4 | .678 | .768 | 1.469 | 1.594 | .375 | .406 | .741 | .768 | .187 | .218 | .062 | .078 |
1/2 Carriage Bolt Torque Specs
Nominal Diameter | Threads (inch) | Torque ft-lb In (Dry) | Torque ft-lb In (Lubricated) |
---|---|---|---|
3/4 | 10 | 203 | 152 |
16 | 226 | 170 | |
5/16 | 18 | 13.2 | 10.0 |
24 | 14.7 | 11.0 | |
3/8 | 16 | 23.5 | 17.7 |
24 | 26.6 | 19.9 | |
7/16 | 16 | 37.6 | 28.2 |
24 | 42.0 | 31.5 | |
1/2 | 13 | 57.4 | 43.0 |
20 | 64.7 | 48.5 | |
9/16 | 12 | 82.7 | 62.1 |
18 | 92.3 | 69.2 | |
1/4 | 20 | 6.5 | 4.8 |
28 | 7.4 | 5.5 | |
7/8 | 9 | 326 | 245 |
14 | 361 | 270 | |
1 | 8 | 490 | 368 |
14 | 549 | 412 | |
1-1/4 | 7 | 853 | 639 |
12 | 944 | 708 | |
1-1/2 | 6 | 1484 | 639 |
12 | 1669 | 1252 | |
1/4 | 20 | 7.4 | 5.5 |
28 | 8.4 | 6.3 | |
5/8 | 11 | 114.2 | 85.7 |
18 | 129.3 | 97.0 | |
5/16 | 18 | 15.1 | 11.4 |
24 | 16.8 | 12.6 | |
3/8 | 16 | 26.9 | 20.2 |
24 | 30.4 | 22.8 | |
7/16 | 14 | 43.0 | 32.3 |
20 | 48.0 | 36.0 | |
1/2 | 13 | 65.6 | 49.1 |
20 | 73.9 | 55.4 | |
9/16 | 12 | 94.5 | 71.0 |
18 | 105.5 | 79.1 | |
5/8 | 11 | 130.5 | 97.9 |
18 | 147.8 | 110.9 | |
3/4 | 10 | 232 | 174 |
16 | 258 | 194 | |
7/8 | 9 | 373 | 280 |
14 | 412 | 309 | |
1-1/4 | 7 | 975 | 730 |
12 | 1079 | 809 | |
1-1/2″ | 6 | 1696 | 1271 |
12 | 1908 | 1430 | |
1″ | 8 | 560 | 420 |
14 | 628 | 471 |
Round Head Ribbed Neck Carriage Bolts Dimensions

Normal Size or Bolt Diameter (Min.) |
Diameter Of Body (B) |
Diameter Of Head (W) | Height Of Head (H) | Head to Ribs (M) | Fillet Radius (R) | Diameter Over Ribs (V) | Depth Over Ribs (D) | ||||||||
Min. | Max. | Min. | Max. | Min. | Max. | 1"+ Length | Up to 7/8" Length | Max. | Min. | Approx. | 1" & 1-1/8" Length | Up to 7/8" Length | 1-1/4"+ Length | ||
1/4 | .2500 | .237 | .260 | .563 | .594 | .125 | .145 | .063 | .031 | .031 | .274 | 10 | .407 | .250 | .594 |
No 10 | .1900 | .182 | .199 | .438 | .469 | .094 | .114 | .063 | .031 | .031 | .210 | 9 | .407 | .250 | .594 |
3/8 | .3750 | .360 | .388 | .782 | .844 | .188 | .208 | .063 | .031 | .031 | .405 | 12 | .407 | .250 | .594 |
3/4 | .7500 | .729 | .768 | 1.469 | 1.594 | .375 | .406 | .094 | .094 | .062 | .785 | 22 | .438 | .313 | .625 |
5/16 | .3125 | .298 | .324 | .688 | .719 | .156 | .176 | .063 | .031 | .031 | .340 | 12 | .407 | .250 | .594 |
1/2 | .5000 | .483 | .515 | 1.032 | 1.094 | .250 | .270 | .063 | .031 | .031 | .534 | 16 | .407 | .250 | .594 |
7/16 | .4375 | .421 | .425 | .907 | .969 | .219 | .239 | .063 | .031 | .031 | .470 | 14 | .407 | .250 | .594 |
5/8 | .6250 | .605 | .642 | 1.219 | 1.344 | .313 | .344 | .094 | .094 | .062 | .660 | 19 | .438 | .313 | .625 |
KM Steel Produce SS Round Head Square Neck Coach Bolts In Various Sizes, Check Its Specification.
Sizes Of Carriage Bolt | Size | Size guide | Dimensions |
3/8″-16 x 1″ Gr. 5 Finish | 1/2″-13 x 1-1/2″ Gr. 5 Finish | 1/4″-20 x 1″ Gr. 5 Finish | |
3/8″-16 x 1-1/4″ Gr. 5 Finish | 3/8″-16 x 1-1/2″ Gr. 5 Finish | 1/4″-20 x 3/4″ Gr. 5 Finish | |
1/2″-13 x 2″ Gr. 8 Yellow Finish | 1/2″-13 x 2″ Gr. 5 Finish | 1/2″-13 x 1-1/2″ Gr. 8 Yellow Finish | |
5/8″-11 x 2″ Gr. 8 Yellow Finish | 1/4″-20 x 3/4″ Gr. 18-8 Stainless Steel | 5/16″-18 x 1″ Gr. 5 Finish | |
3/8″-16 x 1″ Gr. 8 Yellow Finish | 3/8″-16 x 1″ Gr. 18-8 Stainless Steel | 3/8″-16 x 1-1/2″ Gr. 8 Yellow Finish | |
1/4″-20 x 1″ Gr. 18-8 Stainless Steel | 5/8″-11 x 2″ Gr. 5 Finish | 5/8″-11 x 2-1/2″ Gr. 8 Yellow Finish | |
3/8″-16 x 2″ Gr. 5 Finish | 3/8″-16 x 1-1/4″ Gr. 8 Yellow Finish | - |
Carriage Bolt manufacturers In India, Are You Looking For Fin Neck, Round Head Short Carriage Bolts Dimensions, Weight, Size, Check Here
Flat Head Square Neck Carriage Bolts Dimensions

Coach Bolt Thread Count And Diameter
- 10-24
- 1/4 Inch -20
- 5/16 Inch -18
- 3/8 Inch -16
- 1/2 Inch -13
- 5/8 Inch -11
- 3/4 Inch -10
DIN 603 Mushroom Head Square Neck Bolts Dimensions

THREAD Of (D) | M6 | M5 | M10 | M8 | M16 | M12 | M20 | |
---|---|---|---|---|---|---|---|---|
(B) | l ? 125mm | 18 | 16 | 26 | 22 | 38 | 30 | 46 |
125 < l ? 200mm | 24 | 22 | 32 | 28 | 44 | 36 | 52 | |
l > 200mm | - | - | 45 | 41 | 57 | 49 | 65 | |
(P) | 1 | 0,8 | 1,5 | 1,25 | 2 | 1,75 | 2,5 | |
(DK) | max. | 16,55 | 13,55 | 24,65 | 20,65 | 38,8 | 30,65 | 46,8 |
minimum | 15,45 | 12,45 | 23,35 | 19,35 | 37,2 | 29,35 | 45,2 | |
(V) | max. | 6,48 | 5,48 | 10,58 | 8,58 | 16,7 | 12,7 | 20,84 |
minimum | 5,52 | 4,52 | 9,42 | 7,42 | 15,3 | 11,3 | 19,16 | |
(DS) | max. | 6 | 5 | 10 | 8 | 16 | 12 | 20 |
minimum | 5,52 | 4,52 | 9,42 | 7,42 | 15,3 | 11,3 | 19,16 | |
(K) | max. | 3,88 | 3,3 | 5,38 | 4,88 | 8,95 | 6,95 | 11,05 |
minimum | 3,12 | 2,7 | 4,62 | 4,12 | 8,05 | 6,05 | 9,95 | |
F) | max. | 4,6 | 4,1 | 6,6 | 5,6 | 12,9 | 8,75 | 15,9 |
minimum | 3,4 | 2,9 | 5,4 | 4,4 | 11,1 | 7,25 | 14,1 | |
R1 | approx. | 12,6 | 10,7 | 19,2 | 16 | 29,3 | 24,1 | 33,9 |
R2 | max. | 0,5 | 0,5 | 0,5 | 0,5 | 1 | 1 | 1 |
R3 | max. | 0,9 | 0,75 | 1,5 | 1,2 | 2,4 | 1,8 | 3 |